Brother Laser MFC SERVICE MANUAL MODEL: DCP-1510/1511/1512/1518 MFC-1810/1811/1813/1815/1818 Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. May 2013 SM-FAX146 8C5G* Confidential...
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The function comparative table below is for models described in this Service Manual. DCP-1510 DCP-1511 DCP-1512 DCP-1518 10 characters 16 characters 16 characters 16 characters x 2 lines (2byte) x 2 lines x 2 lines x 2 lines 20 characters...
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Each company whose software title is mentioned in this manual has a Software License Agreement specific to its proprietary programs. Any trade names and product names of companies appearing on Brother products, related documents and any other materials are all trademarks or registered trademarks of those respective companies.
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4.4.10 Black vertical streaks on a light background ............1-52 4.4.11 Black horizontal stripes ..................1-53 4.4.12 White vertical streaks ..................1-53 4.4.13 White horizontal streaks ..................1-54 4.4.14 Faint print ......................1-54 4.4.15 White spots......................1-55 4.4.16 Black spots ......................1-55 4.4.17 Black band......................
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4.13.2 Main motor failure....................1-72 4.13.3 Unusual noise is coming from the machine............1-72 4.13.4 Memory failure..................... 1-72 4.13.5 Print failure ......................1-73 CHAPTER 2 DISASSEMBLY/REASSEMBLY 1. PACKING ............................. 2-1 2. TIGHTENING TORQUE LISTS ....................2-2 3. LUBRICATION ..........................2-3 4.
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CHAPTER 3 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT 1. IF YOU REPLACE THE MAIN PCB ASSY .................. 3-1 Installing Main Firmware...................... 3-2 1.1.1 Checking firmware version ..................3-2 1.1.2 Installing main firmware..................3-2 Initializing the EEPROM of the Main PCB ASSY (function code: 01)........3-3 Setting by Country (function code: 74) ................
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1.3.9 Display software version (function code: 25)............4-16 1.3.10 Check sensor operation (function code: 32)............4-17 1.3.11 Set PC print functions (function code: 43)............4-18 1.3.12 Change USB No. return value (function code: 45) ..........4-21 1.3.13 Set country / language (function code: 52)............4-22 1.3.14 Transfer received fax data / log information (function code: 53) ......
REGULATION Declaration of Conformity (Europe only) We, Brother Industries, Ltd. 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561 Japan declare that this product is in conformity with the essential requirements of all relevant directives and regulations applied within the European Community. The Declaration of Conformity (DoC) can be downloaded from our website. Visit http://solutions.brother.com/ and:...
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The purpose of the International ENERGY STAR Program is to promote the development and popularization of energy-efficient office equipment. ® As an ENERGY STAR Partner, Brother Industries, Ltd. has determined that this product ® meets the ENERGY STAR specifications for energy efficiency. Confidential...
SAFETY INFORMATION WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injuries. CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injuries. IMPORTANT IMPORTANT indicates a potentially hazardous situation which, if not avoided, may result in damage to property or loss of product functionality.
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To use the Machine Safely Please keep these instructions for later reference and read them before attempting any maintenance. If you do not follow these safety instructions, there is a possibility of a fire, electrical shock, burn or suffocation. WARNING ELECTRICAL HAZARDS Failure to follow the warnings in this section may create the risk of an electrical shock.
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Doing so may cause the cord to become worn or frayed. • Brother strongly recommends that you DO NOT advise using an extension cord. • DO NOT put a toner cartridge and drum unit assembly into a fire. It could explode, resulting in injuries.
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(MFC only) Use caution when modifying telephone lines. Never touch exposed telephone wiring or terminals unless the telephone line has been unplugged at the wall socket. Never fit telephone wiring during an electrical storm. Never fit a telephone wall socket in a wet location.
CAUTION Lightning and power surges can damage this product! We recommend that you use a quality surge protection device on the AC power line, or unplug the machine during a lightning storm. Violently closing the top cover without mounting the toner cartridge and the drum unit can damage this product.
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Unlawful use of Copying Equipment It is an offence to make reproductions of certain items or documents with the intent to commit fraud. The following is a non-exhaustive list of documents which it may be unlawful to produce copies of. We suggest you check with your legal adviser and/or the relevant legal authorities if in doubt about a particular item or document: •...
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Troubleshooting/Disassembling/Assembling Notes • To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. • Be careful not to lose screws, washers, or other parts removed. • Be sure to apply grease to applicable positions specified in this manual. •...
CHAPTER 1 TROUBLESHOOTING 1. INTRODUCTION Troubleshooting is a collection of solution procedures that service personnel should follow if an error or malfunction occurs in the machine. It is difficult to determine troubleshooting procedures for all possible problems that may occur in the future. Therefore, this chapter describes typical problems and recovery procedures for these.
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Others (1) Condensation When the machine is moved to a warm room from a cold location, condensation may occur inside the machine, causing various problems as listed below. • Condensation on the surface of optical devices such as the lens, reflecting mirror and protection glass may cause light print image.
Operation of Each Part Part name Operation Pick-up roller Feeds paper from the paper tray. Separation roller / Separates paper fed from paper tray into single sheets. Separation pad Paper feed actuator L/R Determines if the sheet of paper is of printable size. (Paper feed sensor L/R) Detects paper jams in the front section of the machine.
Block Diagram Low voltage power supply PCB AC-DC converter Relay TRIAC Eject sensor PCB Laser unit Eject sensor Thermistor (Center) Polygon motor PCB LD CTRL Paper feed/paper printing Halogen Thermostat position sensor PCB heater Paper feed Paper printing Heater unit sensor position sensor Internal...
Main Components Hinges ADF unit Document cover Panel unit Dress cover R Document scanner unit Speaker hold spring Top cover ASSY Speaker Side cover R Paper stopper Modem Paper stopper 2 PCB ASSY High voltage power Back cover supply PCB ASSY Top cover lock Main PCB ASSY Paper feed/paper...
3. ERROR INDICATIONS Error Codes Errors in the shaded columns do not usually occur during normal use. The possible causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error Refer Error Refer Problem Problem...
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Error Refer Error Refer Problem Problem codes codes Detected an unknown error in 050F 1-25 2104 the fuser unit. 0700 2105 0800 2201 Detected irregular power supply 0900 1-26 2202 more than 100 times. 0A01 2203 0A02 2204 An error occurred in the high 0B01 voltage power supply PCB 1-26...
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Error Refer Error Refer Problem Problem codes codes 2903 3401 2904 3402 2905 3501 2906 3601 2A01 3701 2A02 3702 2A03 3703 2B01 3801 2B02 3802 2C01 3A00 The number of rotations of the drum 2C02 4000 1-27 unit is reaching the upper limit. 2D01 4001 2E01...
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Error Refer Error Refer Problem Problem codes codes 4C04 5B02 4C05 5C02 Dot counter or developer roller counter of the toner is reaching The eject sensor detected that 4D01 1-28 6001 1-29 the upper limit (when setting the top cover was open. continue mode).
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Error Refer Error Refer Problem Problem codes codes Detected discharge that may be 6A00 attributable to dirty corona wire 1-32 7501 on the drum unit. 6B01 7502 6B02 7601 6B03 7602 6B04 7700 6B0A 7701 6C01 7702 6C02 7703 6C03 7704 6C04 7705...
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Error Refer Error Refer Problem Problem codes codes 8701 9303 8702 9304 8703 9305 8801 9306 Detected that paper has run out 8802 9307 during receiving fax or printing 1-38 list/report. 8901 9401 8902 9402 8903 9403 8904 9404 8A01 9501 8A02 9502...
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Error Refer Error Refer Problem Problem codes codes 9C01 B800 The white level does not increase 9C02 B900 during scanning although the 1-42 light intensity was increased. CIS received an external light 9C03 BA00 from somewhere other than the 1-42 CIS during scanning.
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Error Refer Error Refer Problem Problem codes codes E100 Program error 1-44 FB06 E400 FB07 An error occurred during access E500 to the DRAM in the main PCB 1-44 FB08 ASSY. Write error in the EEPROM of E600 1-44 FB09 the main PCB ASSY.
Error Messages Refer First line Second line Description The new toner sensor could not Put the Toner Cartridge Cartridge Error detect the new toner cartridge 4F01 back in correctly. Cooling down the machine to Cooling Down Wait for a while 6801 protect the inside of the machine.
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Refer First line Second line Description Dot counter or developer roller Open the Scanner Cover counter of the toner has reached and Top Cover, replace 4C01 the upper limit (when setting toner Toner Cartridge. stop mode). Replace Toner Dot counter or developer roller Received faxes are also counter of the toner is reaching the stored in memory until the...
Connection Error Refer Code 1 Code 2 Cause No document set when calling. 4.12.1 Wrong fax number called. 4.12.1 No dial tone detected before dialing. 4.12.1 Busy tone detected before dialing. 4.12.1 No 2nd dial tone detected. 4.12.1 No loop current detected. 4.12.1 Busy tone detected after dialing or called.
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Refer Code 1 Code 2 Cause Remote terminal not equipped with SUB function. 4.12.1 Remote terminal not equipped with color function. 4.12.1 Illegal coding system requested. 4.12.1 Illegal recording width requested. 4.12.1 ECM requested although not allowed. 4.12.1 Polled while not ready. 4.12.1 No document to be sent when polled.
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Refer Code 1 Code 2 Cause Receive buffer full during receiving data into memory. 4.12.2 Polarity reversion detected. 4.12.1 Unable to receive the next-page data. 4.12.1 Unable to receive polling even during turn-around 4.12.1 transmission due to call reservation. PC interface error. 4.12.1 Failed to detect 1,300 Hz signal in burn-in operation.
4. TROUBLESHOOTING Error Cause and Remedy Error code 0201 Print Unable 02 Turn the power off and then back on again. Cannot detect the synchronized signal of the main motor. The speed of the main motor does not stabilize within the specified time. Step Cause Remedy...
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Error code 0501 Print Unable 05 Turn the power off and then back on again. The center thermistor of the fuser unit has not reached the specified temperature within the specified time. Error code 0502 Print Unable 05 Turn the power off and then back on again. The center thermistor has not reached the specified temperature within the specified time after the fuser unit has reached to a certain temperature.
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Error code 050A Print Unable 05 Turn the power off and then back on again. The hardware detected that the center thermistor of the fuser unit indicated a temperature error. Error code 050D Print Unable 05 Turn the power off and then back on again. Operated 100% heating for longer than the specified time in the fuser unit while printing.
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Error code 0900 Print Unable 09 Turn the power off and then back on again. Detected irregular power supply more than 100 times. <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset.
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Error code 4000 Drum End Soon The number of rotations of the drum unit is reaching the upper limit. Error code 4200 Replace Drum The number of rotations of the drum unit has reached the life limit. (Printing does not stop.) <User Check>...
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Error code 4D01 Replace Toner Received faxes are also stored in memory until the toner cartridge is replaced or the memory is full. Dot counter or developer roller counter of the toner is reaching the upper limit (when setting continue mode). <User Check>...
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Error code 6001 Cover is Open Close the Top Cover. The eject sensor detected that the top cover was open. <User Check> • Close the top cover. Step Cause Remedy Eject actuator caught in Reattach the eject actuator. sections of the machine The rib inside the top cover Replace the top cover ASSY.
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Error code 6200 No Drum Open the Scanner Cover and Top Cover, then install the Drum Unit. Detected that the drum unit was not set by GRID current error. <User Check> • Set the drum unit correctly. • Clean the electrodes of the drum unit. Step Cause Remedy...
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Error code 6801 Cooling Down Wait for a while The internal temperature thermistor detected a temperature higher than the specified value. <User Check> • Lower the room temperature. • Keep the machine away from heating appliances. Step Cause Remedy Connection failure of the Reconnect the internal temperature thermistor internal temperature thermistor harness.
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Error code 6A00 Drum ! Open the Scanner Cover and Top Cover and slide the green tab across the Drum Unit several times. Detected discharge that may be attributable to dirty corona wire on the drum unit. <User Check> • Slide the green tag of the drum unit left and right two or three times to clean the corona wire.
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Error code 7000 Jam Inside 1 Open the Scanner Cover and Top Cover, pull out the Drum Unit and remove the jammed paper, then press Start. The eject sensor does not detect paper pass after the paper printing position sensor detected the paper pass.
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Error code 7100 Jam Inside 2 Open the Scanner Cover and remove the jammed paper, then press Start. The eject sensor remains ON (paper pass detected) even after the paper printing position sensor detected the end of paper pass. <User Check> •...
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Error code 7300 Jam Tray Remove the jammed paper from Tray, then press Start. The paper feed sensor does not detect paper pass even after the paper has been fed for the specified time. <User Check> • Remove the jammed paper. •...
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Error code 7D00 Jam Inside 3 Remove the jammed paper, then press Start. When the power switch was turned ON, the eject sensor detected paper pass. (Cannot determine whether the top cover is open or whether it is a paper jam.) <User Check>...
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Error code 8E02 Size mismatch Reload correct paper, then press Start. Detected that the size of paper set in the paper tray was over 10 mm shorter than letter size during receiving fax or printing list/report. <User Check> • Select A4 or letter size in the paper setting. Step Cause Remedy...
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Error code 9302 No Paper Load paper, then press Start. When printing from the paper tray, the paper feed sensor detected that there was no paper set in the paper tray. <User Check> • Remove the jammed paper. • Check that the paper is set in the paper tray correctly. •...
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Error code 9601 Wrong Paper Type Reload with A4, Letter, Legal or Folio paper, and press Start. The paper feed sensor detected that the paper width was narrower than A4 size. Error code 9608 Wrong Paper Type Reload with A4, Letter, Legal or Folio paper, and press Start. The paper feed sensor detected that the paper length was shorter than the specified size.
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Error code A300 Document Jam Clear the scanner jam, then press the Stop Key. The document scanning position sensor has not detected the document passing even after the document has been fed for the specified distance. <User Check> • Remove the jammed document. Step Cause Remedy...
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Error code A800 Print Unable A8 See Troubleshooting and routine maintenance chapter in User's Guide. An error was detected in the color parameter in the ROM during scanned image processing. Step Cause Remedy Incorrect correction data for CIS Execute function code 55. unit Connection failure of the CIS Reconnect the CIS flat cable.
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Error code B000 SCANNER ERROR FB Detected that the CIS flat cable is not connected. Step Cause Remedy Connection failure of the CIS Reconnect the CIS harness. harness CIS unit failure Replace the CIS unit. Main PCB failure Replace the main PCB ASSY. Error code B900 Scanner Error The white level does not increase during scanning although the light intensity was increased.
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Modem PCB failure Replace the modem PCB ASSY. Main PCB failure Replace the main PCB ASSY. Error code D200 Machine Error Unplug machine, then call Brother. Detected that the modem PCB is not connected. Step Cause Remedy Connection failure of the Reconnect the modem PCB flat cable.
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Error code E000 Print Unable E0 Turn the power off and then back on again. An error occurred in the ROM check sum. Error code E100 Print Unable E1 Turn the power off and then back on again. Program error <User Check>...
Troubleshooting for Paper Feeding Problems End users can solve problems related to paper feeding as long as they follow the User Check items. If the problem still cannot be solved, implement each procedure according to the step numbers in the tables below. 4.2.1 No paper is fed from the paper tray.
4.2.3 Paper is curled <User Check> - Select “Reduce Paper curl mode” in the driver. - Check that the thickness of the paper is within the standard. 4.2.4 Paper is jammed Paper is jammed in the paper tray section <User Check> - Rotate the paper 180 degrees in the paper tray.
Image Defects Light Faulty registration Dark Poor fixing Completely blank Dirt on the back of paper Vertical streaks Image distortion All black Black vertical streaks Black horizontal White vertical streaks White horizontal Faint print streaks on a light background stripes Downward fogging Black spots Black band...
Troubleshooting According to Image Defect End users can solve problems related to image defects as long as they follow the User Check items. If the problem still cannot be solved, implement each procedure according to the step numbers in the tables below.
4.4.3 Dark <User Check> - Check the usage environment of the machine. Using the machine in hot-humid or cold-dry conditions can cause this problem. - Clean the corona wire of the drum unit. - If a new toner cartridge has been set, check that it was not replaced with a used toner cartridge.
4.4.5 Completely blank <User Check> - Clean the corona wire of the drum unit. - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. Step Cause Remedy Dirt on electrodes of the drum unit Clean the electrodes of the drum unit and and those of the machine, and dirt those of the machine, and the grounding...
4.4.7 All black <User Check> - Clean the corona wire of the drum unit. - Replace the drum unit with a new one. Step Cause Remedy Dirt on electrodes of the drum unit Clean the electrodes of the drum unit and and those of the machine those of the machine.
4.4.9 Vertical streaks <User Check> - Clean the inside of the machine and the corona wire of the drum unit. - Return the corona wire cleaning tab to the “ ” position. - This problem may disappear after printing multiple sheets of paper.
4.4.11 Black horizontal stripes <User Check> - Clean the inside of the machine and the corona wire of the drum unit. - This problem may disappear after printing multiple sheets of paper. - Replace the toner cartridge with a new one. - Replace the drum unit with a new one.
4.4.13 White horizontal streaks <User Check> - This problem may disappear after printing multiple sheets of paper. When the machine has not been used for long periods of time, try printing several sheets of paper. - Replace the drum unit with a new one. - Replace the toner cartridge with a new one.
4.4.15 White spots <User Check> - Turn ON the power switch, then open the top cover. Leave the machine for a while to remove condensation. - Replace the toner cartridge with a new one. - Replace the drum unit with a new one. Step Cause Remedy...
4.4.17 Black band <User Check> - This problem may disappear after printing multiple sheets of paper. When the machine has not been used for long periods of time, try printing several sheets of paper. - Replace the toner cartridge with a new one. - Replace the drum unit with a new one.
4.4.20 Ghost <User Check> - Check the usage environment of the machine. Using the machine in hot-humid or cold-dry conditions can cause this problem. - Check that the appropriate paper type is selected in the driver. - Replace the drum unit with a new one. - Turn the “Improve Toner Fixing”...
(3) Select “USB” at the bottom of “Hardware” in the “Content” on the left side of the screen. (4) Select “DCP-XXXX” or “MFC-XXXX” in the “USB Device Tree”. (5) Check the Product ID under “DCP-XXXX” or “MFC-XXXX”. Product ID (hexadecimal) • DCP-1510 : 02D0h • MFC-1810 : 02D1h 1-58 Confidential...
Troubleshooting for Control Panel Problems 4.6.1 Nothing is displayed on the LCD Step Cause Remedy Main firmware discrepancy Install the latest main firmware. Connection failure of the panel flat Reconnect the panel flat cable. cable Connection failure of the LCD Reconnect the LCD harness.
Troubleshooting for Toner and Drum Problems 4.7.1 Replaced the toner cartridge with a new one but still seeing error message prompting toner cartridge replacement. <User Check> - Check that a new (not used) toner cartridge is set. Step Cause Remedy Connection failure of the motor Reconnect the motor encoder PCB flat encoder PCB flat cable...
4.7.4 Drum error <User Check> - Clean the corona wire of the drum unit. - Replace the drum unit with a new one, and reset the drum counter. Step Cause Remedy Dirt on electrodes of the drum unit Clean the electrodes of the drum unit and and those of the machine those of the machine.
Troubleshooting for Fuser Unit Problems 4.8.1 Fuser unit failure Step Cause Remedy Connection failure of the center Reconnect the center thermistor harness of thermistor harness of the fuser unit the fuser unit. Connection failure of the low Reconnect the low voltage PCB harness. voltage PCB harness Connection failure of the heater Reconnect the heater harness of the fuser...
4.10 Troubleshooting for Document Paper Feeding Problems 4.10.1 No document is fed <User Check> - Set the document properly and check that the display on the LCD changes. - Check that the number of documents set is within the standard. Step Cause Remedy...
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Document jam inside the ADF <User Check> - Check that paper used for the document is not thinner than the standard. - Check that paper used for the document is not shorter than the standard. Step Cause Remedy Foreign object inside the ADF Remove the foreign object.
4.10.4 Document becomes wrinkled <User Check> - Check that the document guide is adjusted to suit the document size. - Check that the document is not curled. Step Cause Remedy Abrasion of the document separate Replace the document separate roller roller holder ASSY.
4.11 Troubleshooting for Scanned Image Defects 4.11.1 Defect examples Light Faulty registration Dark Completely blank Vertical streaks White vertical streaks Partial shading Colored background Fig. 1-10 4.11.2 Troubleshooting according to image defect Light <User Check> - Check that the contrast setting is not too light. - Clean the document glass or the ADF glass.
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Faulty registration (1) ADF Step Cause Remedy Deviation of the scanning start Adjust the scanning start position by position executing function code 54. Document scanning position Reattach the document scanning position actuator caught in sections of the actuator. machine Main PCB failure Replace the main PCB ASSY.
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Completely blank <User Check> - Check that the document is not reversed. Step Cause Remedy White level data failure Acquire white level data again. (Refer to “1.3.16” in chapter CIS unit failure Replace the CIS unit. Main PCB failure Replace the main PCB ASSY. Vertical streaks <User Check>...
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Partial shading <User Check> - Clean the document glass or the ADF glass. Step Cause Remedy Dirt inside the document glass Clean the inside of the document glass. Deformed document sponge Replace the document scanner unit. Colored background <User Check> - Clean the document glass or the ADF glass.
4.12 Troubleshooting for FAX/Phone Problems 4.12.1 Fax cannot be sent <User Check> - Check that the line cord is inserted into the socket correctly. - Check that the dial function setting (tone/pulse) is correct. - Check that the telephone line is connected correctly. - Check that the document is set in the document scanner unit or ADF unit correctly.
4.12.3 Ringtone does not sound <User Check> - Check that “0” is not set for the number of rings. - Check that “0” is not set for the ringtone volume. Step Cause Remedy Connection failure of the speaker Reconnect the speaker harness. harness Modem PCB failure Replace the modem PCB ASSY.
4.13 Troubleshooting for Other Problems 4.13.1 Machine does not turn ON <User Check> - Plug the AC cord into a socket. Step Cause Remedy Connection failure of the panel flat Reconnect the panel flat cable. cable Connection failure of the LCD Reconnect the LCD harness.
4.13.5 Print failure <User Check> - Check that the maximum printable page number has not been exceeded. - Reduce the complexity or resolution of the data. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. 1-73 Confidential...
CHAPTER 2 DISASSEMBLY/REASSEMBLY Be sure to observe Troubleshooting/Disassembling/Assembling Notes during disassembly and assembly work. 1. PACKING Fig. 2-1 Confidential...
2. TIGHTENING TORQUE LISTS Tightening torque Location of screw Part name Q'ty N·m (kgf·cm) Side cover R Taptite bind B M4x12 0.8±0.1(8±1) Dress cover R Taptite bind B M4x12 0.8±0.1(8±1) Ground harness (ADF sensor harness) Taptite cup S M3x8 SR 0.6±0.1(6±1) ADF unit (hinge) Taptite bind B M4x12...
5. HARNESS ROUTING Frame R / main PCB ASSY / low voltage power supply PCB unit / fuser unit Fuser unit Heater harness (WH) Back cover Document scanner motor harness (WH) CIS flat cable Main PCB ASSY Panel flat cable ADF sensor harness (RD, WH) Main PCB ASSY...
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Document scanner unit Document scanner motor harness (WH) Core Hole Hook CIS flat cable Document scanner motor CIS unit Panel flat cable Hole Panel flat cable Guide Panel PCB ASSY Harness colors are subject to change for some reason. Confidential...
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Hook PCB harness (only for models with handset) (side cover L) Guide Hook PCB harness (BK) Hole Hole Guide Hook PCB harness (only for models with handset) (lower handset holder) Hook PCB harness (BK) Hook PCB ASSY Hole Guide Harness colors are subject to change for some reason. Confidential...
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Hook harness (only for models with handset) (back cover) Guide Hole Hole Guide Hook harness (BK) Laser unit / motor encoder PCB ASSY Laser unit Guides Motor encoder PCB flat cable Guide Guides Guide Guide Motor encoder Polygon motor Laser unit flat cable Main motor harness (RD, BK) PCB ASSY harness (WH)
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Eject sensor PCB ASSY Hooks Eject sensor PCB ASSY Paper feed/paper printing position sensor PCB ASSY Eject sensor PCB harness (BR, GR, BK) Paper feed/paper printing position sensor PCB ASSY Paper feed/paper printing position sensor Main PCB ASSY PCB harness (BK, GR, PU, GN, BR) Hooks Guides Paper feed/paper printing...
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New toner sensor PCB ASSY / pick-up solenoid Hooks New toner sensor New toner sensor PCB harness Pick-up solenoid PCB ASSY (RD, GN, WH) Pick-up solenoid harness (BK) Harness colors are subject to change for some reason. 2-11 Confidential...
7. DISASSEMBLY PROCEDURE Preparation Disconnecting Cable and Removing Accessories Prior to proceeding with the disassembly procedure, (1) Disconnect the following: • USB cable (if connected) • Telephone line • Curled cord (2) Remove the following: • Toner cartridge and drum unit •...
Side cover R (1) Remove the two taptite bind B M4x12 screws. (2) Remove the three boss bushings of the side cover R. Pull out the three tabs and release the four hooks on the bottom. Disconnect the speaker harness from the main PCB ASSY (only for models with ADF unit), and remove the side cover R from the machine.
ADF unit (only for models with ADF unit) (1) Open the ADF unit. (2) Disconnect the ADF sensor harness from the main PCB ASSY. (3) Remove the taptite cup S M3x8 SR screw to release the ground harness of the ADF sensor harness.
7.3.1 Hinge (1) Remove the hinge by tilting it 120 degrees. (2 locations) Hinges Hinge 120° ADF unit Fig. 2-7 7.3.2 Document stopper (1) Release the two bosses of the document stopper to remove it from the ADF unit. Document stopper Boss ADF unit Boss...
7.3.3 ADF cover (1) Release the two bosses of the ADF cover to remove it from the ADF unit. ADF cover Boss Boss ADF unit Fig. 2-9 7.3.4 Handle cover (1) Remove the taptite bind B M3x10 screw from the back side of the ADF unit. (2) Release the two hooks to remove the handle cover from the ADF unit.
7.3.5 Document cover support (1) Remove the document cover support from the ADF unit by sliding it to the direction of the arrow. Document cover support ADF unit Fig. 2-11 7.3.6 Document cover (1) Flip over the ADF unit. (2) Remove the two taptite bind B M3x10 screws to remove the lower chute support plate from the ADF unit.
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(4) Remove the four taptite bind B M3x10 screws. Assembling Note: • When removing the document cover, the spring could come off by removing the screw. When reassembling the document cover, make sure that the spring is assembled. (5) Release the hook tray and the three hooks to remove the document cover from the lower document chute ASSY.
7.3.7 Document separate roller holder ASSY (1) Release the hook to remove the LF1 roller gear 44 from the shaft of the lower document chute ASSY. (2) Pull out the separate roller gear 42 while pushing the hook of the document separate roller holder ASSY to the direction of the arrow.
Document scanner unit / Document cover (only for models without ADF unit) (1) Open the document scanner unit. (2) Disconnect the CIS flat cable, the document scanner motor harness, and the panel flat cable from the main PCB ASSY, then pull out the CIS flat cable from the hole. (3) Release the hook of the pull-arm, and remove it from the document scanner unit.
7.4.1 CIS unit / CIS flat cable (1) Remove the two (four for models without ADF unit) taptite bind B M4x12 screws to remove the scanner top cover ASSY from the document scanner unit. (2) Remove the CIS roller holder L ASSY and the CIS roller holder R ASSY from the CIS unit. (3) Open the CIS unit 130 degrees and slide it to the directions of the arrow 3a and 3b to remove it from the CIS carriage ASSY.
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Assembling Note: • When reconnecting the CIS flat cable, attach and fold the double-sided tape as shown in the figure below. Location of the double-sided tape Attach within the metal stamping mark Attach within the frame Double-sided tape Double-sided tape Double-sided tape Document scanner unit CIS carriage ASSY...
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CIS flat cable routing CIS flat cable Insert the CIS flat cable. Push against the right wall. CIS flat Double-sided cable tape CIS flat cable CIS unit Core CIS carriage Attach the core to Attach the CIS flat cable Attach the CIS flat cable to the the double-sided tape.
Panel unit (1) Release the four (three for models without ADF unit) hooks to remove the panel PCB ASSY from the panel cover. (2) Release the connector lock, and disconnect the LCD flat cable from the panel PCB ASSY. (3) Remove the rubber key L (only for models with ADF unit) and rubber key R from the panel cover.
Low voltage power supply PCB unit Note: • Do not pull out the low voltage PCB harness forcefully, to avoid it coming into contact with the high voltage power supply PCB ASSY. Remove the high voltage power supply PCB ASSY first to avoid it getting damaged. (1) Remove the four taptite bind B M4x12 screws, the two taptite cup S M3x8 SR screws, and the screw pan (S/P washer) M3.5x6 screw to remove the low voltage shield plate and the low voltage PCB insulation sheet.
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(2) Remove the screw pan (S/P washer) M3.5x6 screw to release the ground harness. (3) Remove the low voltage power supply PCB unit from the machine. (4) Disconnect the heater harness and the low voltage PCB harness from the low voltage power supply PCB unit.
High voltage power supply PCB ASSY (1) Disconnect the high voltage PCB flat cable from the main PCB ASSY. Note: • After disconnecting the flat cable, check that the cable is not damaged at the end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle.
Modem PCB ASSY (only for models with modem PCB) (1) Disconnect the modem PCB flat cable from the main PCB ASSY. Note: • After disconnecting the flat cable, check that the cable is not damaged at its end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle.
Main PCB ASSY (1) Remove the bottom of the main PCB insulation sheet and peel it. (2) Disconnect all harnesses and flat cables from the main PCB ASSY. (3) Remove the four (five for models without modem PCB) taptite cup S M3x8 SR screws to remove the ground harness, the main PCB ASSY, and the main PCB insulation sheet from the machine.
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Assembling Note: • Insert the folding section of the main PCB insulation sheet into the gap between the USB connector and the main shield plate. Folding section <View from the front bottom side> Main shield plate Main PCB insulation sheet USB connector Main PCB ASSY Fig.
7.10 Top cover ASSY (1) Remove the taptite cup B M3x8 screw to remove the top cover lock from the machine. (2) Open the top cover ASSY. (3) Bend the boss bushing on the develop joint link inward to remove it from the guide rail on the top cover ASSY.
7.11 Side cover L (1) Open the pull-arm about 135 degrees and pull it up to remove it from the side cover L. (2) Remove the three taptite bind B M4x12 screws. Release the three hook bushings of the side cover L. Pull out the three tabs and release the four hooks on the bottom. Disconnect the hook PCB harness from the hook harness (only for models with handset), and remove the side cover L from the machine.
7.12 Handset holder (only for models with handset) (1) Remove the three taptite bind B M4x12 screws. (2) Release the hook PCB harness from the securing fixtures of the side cover L. Release the four hooks to remove the handset holder from the side cover L. (3) Remove the taptite cup B M3x8 screw.
7.13 Fuser unit WARNING: • Some parts inside the machine are extremely hot immediately after the machine is used. When opening the top cover or back cover to access any parts inside the machine, never touch the shaded parts shown in the following figures. (1) Remove the two taptite pan B M4x14 screws.
7.14 Back cover (1) Remove the four taptite bind B M4x12 screws to remove the back cover from the machine. (2) Release the hook harness from the securing fixtures of the back cover (only for models with handset). Taptite bind B M4x12 Back cover Taptite bind B M4x12...
7.15 Tray cover ASSY (1) Open the tray cover ASSY. (2) Bend the tray cover ASSY inward and remove the two bosses from the machine to remove the tray cover ASSY from the machine. (3) Remove the paper rear guide from the hook at the center part of the tray cover ASSY and remove it from the machine.
7.16 Front cover (1) Remove the four taptite bind B M4x12 screws. (2) Release the two hooks at the bottom of the laser unit cover. Remove the laser unit cover and the front cover from the machine by turning them to the direction of the arrow. (3) Release the three hooks of the front cover to remove it from the laser unit cover.
7.17 Laser unit (1) Release the laser unit flat cable from the securing fixtures, and disconnect it from the laser unit. Note: • After disconnecting the flat cable, check that the cable is not damaged at the end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle.
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Assembling Note: • Fold the laser unit flat cable as shown in the figure below. Electrode plane Electrode plane Laser unit flat cable To be connected To be connected to to laser unit main PCB ASSY 45° 45° 45° 20 mm Mountain fold 155 mm Valley fold...
7.18 Motor encoder PCB ASSY (1) Disconnect all harnesses and flat cable from the motor encoder PCB ASSY. Note: • After disconnecting the flat cable, check that the cable is not damaged at the end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle.
7.19 Eject sensor PCB ASSY (1) Disconnect the eject sensor PCB harness from the paper feed/paper printing position sensor PCB ASSY, and release it from the securing fixtures. (2) Release the two hooks, and remove the eject sensor PCB ASSY from the machine. Hooks Paper feed/paper printing position sensor PCB ASSY...
7.20 Paper feed/paper printing position sensor PCB ASSY (1) Release the paper feed/paper printing position sensor PCB harness from the securing fixtures. (2) Remove the taptite bind B M3x10 screw to remove the paper feed/paper printing position sensor PCB ASSY from the machine. Paper feed/paper printing position sensor PCB ASSY Taptite bind B M3x10...
7.21 New toner sensor PCB ASSY Note: • Make sure that the fuser unit is at room temperature to avoid the frame deforming due to heat. (1) Turn the machine so that the left side of the machine faces upward. (2) Remove the plate up spring from the plate up plate and the drive sub ASSY.
CHAPTER 3 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT 1. IF YOU REPLACE THE MAIN PCB ASSY 2. IF YOU REPLACE THE LASER UNIT 3. IF YOU REPLACE THE DOCUMENT SCANNER UNIT OR CIS UNIT 4. IF YOU REPLACE THE LOW VOLTAGE POWER SUPPLY PCB UNIT 5.
“Brother Maintenance USB Printer”. (5) Drag and drop the required main program file (ex: LZXXXX_$.djf) in the same folder onto the “Brother Maintenance USB Printer” icon. The file is loaded to the machine, and installing to the flash ROM starts.
“Brother Maintenance USB Printer”. (3) Drag and drop the required language program file (ex: LZXXXX_$.djf) in the same folder onto the “Brother Maintenance USB Printer” icon. The file is loaded to the machine, and installing to the flash ROM starts.
3) Click “Properties”. The “Brother Maintenance USB Printer Properties” window appears. 4) Click the “Ports” tab. The Brother Maintenance USB Printer port number is displayed. (6) Enter the serial number (15 digits) of the machine in the “Serial No” field.
“Function code: 52” in Chapter 4. Checking Printing and Scanning Copying ADF copy chart We recommend to use BP60 paper (plain paper) supplied by Brother or better paper. (Do not use gloss paper) (1) Prepare the intensity chart CTC-001. (2) Set the ADF copy chart printing side down on the ADF.
2. IF YOU REPLACE THE LASER UNIT <What to do after replacement> • Entering adjusted value of laser unit What you need to prepare (1) One USB cable ® (2) Create a temporary folder on the C drive of the computer (Windows XP or later).
3) Click “Properties”. The “Brother Maintenance USB Printer Properties” window appears. 4) Click the “Ports” tab. The Brother Maintenance USB Printer port number is displayed. (6) Enter the last five digits on the laser serial number label in the “Scanner Video Clk” field.
3. IF YOU REPLACE THE DOCUMENT SCANNER UNIT OR CIS UNIT <What to do after replacement> • Acquiring white level data (function code: 55) Acquiring White Level Data (function code: 55) Acquire white label data as described in “Function code: 55” in Chapter Confidential...
(3) Double-click “FILEDG32.EXE” on the computer to start it, and select the “Brother Maintenance USB Printer”. (4) Drag and drop the “SQWAVE.PJL” file onto the “Brother Maintenance USB Printer” icon. (5) Turn OFF the power switch of the machine. Confidential...
5. IF YOU REPLACE THE PANEL ASSY <What to do after replacement> • Checking LCD operation (function code: 12) • Checking control panel operation (function code: 13) Checking LCD Operation (function code: 12) Check LCD operation as described in “Function code: 12” in Chapter 4. Checking Control Panel Operation (function code: 13) Check control panel operation as described in “Function code: 13”...
CHAPTER 4 SERVICE FUNCTIONS 1. MAINTENANCE MODE Maintenance mode is exclusively designed for checking, setting and adjusting the machine using the buttons on the control panel. Using maintenance mode functions, you can conduct operational checks of sensors or test printing, display the log information or error codes, and change the worker switches (WSW) etc.
1.1.2 Method of entering maintenance mode for service personnel <Operating Procedure> (1) While the machine is in the ready state, press the [Menu], [Start], [ ], [ ], [ ] and [ buttons in this order. “ MAINTENANCE ” is displayed on the LCD and the machine enters to the initial state of maintenance mode.
List of Maintenance Mode Functions Function Function Refer to: code Initialize EEPROM parameters 1.3.1 Print white level / black level data for document scanning 1.3.2 compensation Move CIS unit to transportation position 1.3.3 ADF performance test 1.3.4 Monochrome image quality test pattern 1.3.5 Set worker switches (WSW) 1.3.6 [1]...
Details of Maintenance Mode Functions 1.3.1 Initialize EEPROM parameters (function code: 01, 91) <Function> This function is used to initialize the setting values for operation parameters, user switches, and worker switches (WSW) registered in the EEPROM. Entering function code 01 initializes most EEPROM areas.
1.3.2 Print white level / black level data for document scanning compensation (function code: 05) <Function> This function is used to print the contrast level data for document scanning compensation. <Operating Procedure> Note: • Be sure not to perform this operating procedure immediately after the power is turned ON, but after performing the document scanning operation at least once.
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Data to be printed (common to monochrome/color) LED CURRENT DATA 1 Byte LED pulse data ambient light 2 Byte compensation M300_1 (DOWN) (R) LED pulse data 1 (UP) (G) 2 Byte LED pulse data ambient light 2 Byte compensation M300_3 (UP) (G) LED pulse data 1 (DOWN) (G) 2 Byte LED pulse data ambient light 2Byte...
1.3.3 Move CIS unit to transportation position (function code: 06) <Function> This function is used to move the CIS unit of the document scanner unit to the transportation position (left end) immediately before packing and shipping the machine after repair and operation checks.
1.3.5 Monochrome image quality test pattern (function code: 09) <Function> This function is used to print various monochrome check patterns, to check print quality and whether there are any missing images. <Operating Procedure> (1) Ten-key pad models Press the [0] and [9] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
1.3.6 Set worker switches (WSW) and print worker switch setting data (function code: 10, 11) [1] Set worker switches (WSW) (function code: 10) <Function> The worker switches shown in the table below can be used to set functions to satisfy various requirements.
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WSW No. Function WSW36 Function setting 14 WSW37 Function setting 15 WSW38 V.34 transmission setting WSW39 V.34 transmission speed setting WSW40 V.34 modem setting WSW41 ON-duration of the scanning light source WSW42 Internet mail settings WSW43 Function setting 16 WSW44 Speeding up scanning-1 WSW45 Speeding up scanning-2...
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<Operating Procedure> (1) Ten-key pad models Press the [1] and [0] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [ ] button to display “MAINTENANCE 10” on the LCD and press the [OK] button.
[2] Print worker switch (WSW) setting data (function code: 11) <Function> This function is used to print the setting items of the worker switches and the set details. <Operating Procedure> (1) Ten-key pad models Press the [1] button twice in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
1.3.7 Check LCD operation (function code: 12) <Function> This function is used to check that the LCD on the control panel is operating normally. <Operating Procedure> (1) Ten-key pad models Press the [1] and [2] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
(3) When button operation is normal, the machine returns to the initial state of maintenance mode when the last button is pressed. To cancel the operation and return to the initial state of maintenance mode, press the [Stop/Exit] button. DCP-1510/1511/1512/1518 Fig. 4-5 MFC-1810/1811/1813/1815/1818 Fig.
1.3.9 Display software version (function code: 25) <Function> This function is used to check the version information of the firmware or programs, or to check sum information. <Operating Procedure> (1) Ten-key pad models Press the [2] and [5] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
1.3.10 Check sensor operation (function code: 32) <Operating Procedure> (1) Ten-key pad models Press the [3] and [2] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [ ] button to display “MAINTENANCE 32” on the LCD and press the [OK] button.
1.3.11 Set PC print functions (function code: 43) <Function> This function is used to change the settings of the various print functions summarized in the table below. <Operating Procedure> (1) Ten-key pad models Press the [4] and [3] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
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Description Set value Default AutoFF Auto form feed setting On/Off AutoFF Time Timeout period of auto form feed 1 to 99 (s) 5 (s) FF Suppress Blank page skip setting On/Off Auto LF Auto linefeed (LF) setting On/Off Auto CR Auto carriage return (CR) setting On/Off Auto WRAP Setting for Auto CRLF at print...
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Detail description Paper Size Change the image development area. Set the drawing size for PC print, instead of the setting for Paper Size in the menu. When the paper size is set on the computer, the setting on the computer supersedes the setting on the LCD.
1.3.12 Change USB No. return value (function code: 45) Change USB No. return value <Function> ® When the operating system (OS) installed on the computer is Windows Vista , and the machine is connected to this computer using USB2.0FULL, the OS may not be able to obtain the USB device serial number depending on the computer and USB device.
1.3.13 Set country / language (function code: 52) <Function> This function is user accessible, and is used to customize the EEPROM's language, function settings, and firmware switch settings. Note: • This function can be used only in the following nations: France and neighboring countries, Pan-Nordic, East Europe, Oceania, Iberia.
1.3.14 Transfer received fax data / log information (function code: 53) <Function> When the machine is unable to print the received fax data due to an error in the printing mechanism, this function is used to transfer the data to another machine. The communication management report, communication list, or machine log information can also be transferred.
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Job number to identify the transmission Total number of pages to be transferred Station ID registered in the sender machine Fax number of the sender machine Telephone number of the sender machine Transfer date and time Model code Boot ROM information ROM information Serial number Fig.
1.3.15 Fine-tune scanning position (function code: 54) <Function> This function is used to adjust the scanning start/end positions for the ADF and the document scanner unit. <Operating Procedure> (1) Ten-key pad models Press the [5] and [4] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
1.3.17 Print test (function code: 67) <Function> This function is used to conduct paper feed and eject tests while printing patterns. <Operating Procedure> (1) Ten-key pad models Press the [6] and [7] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
1.3.18 Print frame pattern (single-side printing) (function code: 69) <Function> This function is used to print a frame pattern on a single side of the paper and to check for printing flaws. <Operating Procedure> Be sure to set letter size paper for test pattern printing before commencing the following procedure.
1.3.19 Print test pattern (function code: 71) <Function> This function is used to print a test pattern to check whether the developer roller or exposure drum is dirty or damaged. <Operating Procedure> (1) Ten-key pad models Press the [7] and [1] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
0120 Taiwan 0023 0123 Turkey 0025 0025 0125 Indonesia 0040 0040 0140 Argentina 0136 0136 The above information is as of May 2013. Please confirm the latest firmware information which is available from your local Brother Customer Service. 4-29 Confidential...
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0065 (0015) Portugal 1004 0065 (0018) Malaysia 0040 0040 0140 Peru 0136 0041 0041 0141 The above information is as of May 2013. Please confirm the latest firmware information which is available from your local Brother Customer Service. 4-30 Confidential...
1.3.21 Print maintenance information (function code: 77) <Function> This function is used to print the maintenance information, such as the remaining amount of consumables, number of replacements, and counter values (refer to the next page). <Operating Procedure> (1) Ten-key pad models Press the [7] button twice in the initial state of maintenance mode.
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Model name Rotations of the drum Printed date Rotations of the developer roller of currently set toner cartridge Model code Rotations of the developer roller of previously set toner cartridge Country code / Switch check sum Developing bias voltage value Boot firmware creation date Total printed pages Engine firmware version...
1.3.22 Display machine log information (function code: 80) <Function> This function is used to display the log information on the LCD. <Operating Procedure> (1) Ten-key pad models Press the [8] and [0] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
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Description MACERR_01:0000 Machine error log (past ten errors) KTN_CH:0000 The number of times that the toner cartridge has been replaced DRUM_CH:0000 The number of times that the drum unit has been replaced KTN_PG1:00000000 Pages printed with the current toner cartridge KTN_PG2:00000000 Pages printed with the previous toner cartridge ADF_PG:00000000...
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Non-ten-key pad models Press the [ ] or [ ] button to display the first digit of the serial number and press the [OK] button. The cursor moves to the second digit. Then enter the second digit to the 15th digit by using the [ ], [ ] and [OK] buttons similarly.
1.3.23 Display machine error code (function code: 82) <Function> This function is used to display the latest machine error code on the LCD. <Operating Procedure> (1) Ten-key pad models Press the [8] and [2] buttons in this order in the initial state of maintenance mode. Non-ten-key pad models Press the [ ] or [...
2. OTHER SERVICE FUNCTIONS Manual Toner Reset Functions This function allows you to manually perform the same operation as when the toner cartridge is replaced with a new one. The purpose of this function is to provide an error resetting method in the event that the toner end display was not cleared because the new toner cartridge was not detected by the machine for some reason.
Display ROM Version This function is used to display the ROM version. <Operating Procedure> (1) Ten-key pad models While the machine is in the ready state, press the [*] and [#] buttons simultaneously. The Main ROM version, creation date and time, and check sum are displayed on the LCD. Non-ten-key pad models While the machine is in the ready state, press the [ ] and [Stop/Exit] buttons...
APPENDIX 1 SERIAL NUMBERING SYSTEM Serial number label (1 location) <How to Read> Serial number Production number (6-digit) Product identification Manufacturing factory number code Year of manufacture 3: 2013 4: 2014 Month of manufacture A : Jan E : May J : Sep B : Feb F : Jun...
APPENDIX 2 DELETING USER SETTING INFORMATION The user setting information for the machine is stored in the main PCB. You can delete user setting information following the procedure below. <Operating Procedure> (1) Press the [Menu] button. (2) Press the [ ] or [ ] button to display “Initial Setup”...