Brother Laser Printer SERVICE MANUAL MODEL: HL-5030/5040/5050/5070N Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. January 2003 SM-PRN035...
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(hereinafter referred to as "this machine" or "the printer"). This information is vital to the service technician to maintain the high printing quality and performance of the printer. This service manual covers the HL-5030/5040/5050/5070N printers. This manual consists of the following chapters:...
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Users ......................2-7 For Macintosh Users ......................2-11 PRINTING METHODS ..................2-14 Printing from the Paper Tray...................2-14 Printing from manual feed Tray (HL-5030/5040 only) ............2-14 Printing from Multi-purpose Tray (MP Tray) (HL-5050/5070N only) .......2-15 Printing on envelopes .....................2-17 Printing on transparencies ....................2-21...
HL-5030/5040/5050/5070N SERVICE MANUAL Printing on Both Sides of the Paper (manual duplex printing) ........2-24 Guidelines for printing on both sides of the paper ............2-26 Paper orientation for printing on both sides of the paper..........2-27 CONTROL PANEL OPERATION ................2-28 Control Panel Buttons & LED functions ................2-28 5.1.1 LEDs ..........................
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Rear Cover L/R ....................... 4-17 Side Cover L/R ....................... 4-18 3.10 Top Cover ........................4-19 3.11 Front Cover ASSY (for HL-5030/5040 only) ..............4-22 3.12 MP Unit (for HL-5050/5070N only) ................. 4-23 3.13 Fixing Unit ........................4-29 3.14 Laser Unit ........................4-38 3.15 Main PCB ........................
SERVICE MANUAL GUIDELINES FOR LEAD FREE SOLDER ............4-62 CHAPTER 5 PERIODIC MAINTENANCE ..........5-1 CONSUMABLE PARTS................... 5-1 Drum Unit..........................5-1 Toner Cartridge.........................5-3 PERIODICAL REPLACEMENT PARTS ..............5-8 2.1 Fixing Unit .........................5-9 2.2 Paper Feeding Kit......................5-12 PERIODICAL CLEANING..................5-14 Cleaning the Printer Exterior...................5-14 Cleaning the Drum Unit ....................5-14 Cleaning the Scanner Window ..................5-15 Cleaning the Electrical Terminals ...................5-16...
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HOW TO KNOW DRUM UNIT LIFE & PAGE COUNTER ........7-5 HOW TO USE THE SELF-DIAGNOSTICS TOOLS ..........7-8 NVRAM DEFAUT VALUE..................7-12 HOW TO REWRITE HL-5030/5040/5050/5070N FLASH ROM......7-13 APPENDICES MAIN PCB CIRCUIT DIAGRAM, HL-5030/5040/5050 (1/3)........A-1 MAIN PCB CIRCUIT DIAGRAM, HL-5030/5040/5050 (2/3)........A-2 MAIN PCB CIRCUIT DIAGRAM, HL-5030/5040/5050 (3/3)........A-3...
HL-5030/5040/5050/5070N SERVICE MANUAL CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. WARNING (1) Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the printer.
HL-5030/5040/5050/5070N SERVICE MANUAL CHAPTER 6 TROUBLESHOOTING INTRODUCTION Initial Check (1) Operating environment Check if : • The source voltage stays within ±10% from the rated voltage shown on the rating plate. • The printer is installed on a solid, level surface.
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CHAPTER 6 TROUBLESHOOTING (4) Others Condensation: When the printer is moved from a cold room into a warm room in cold weather, condensation may occur inside the printer, causing various problems as listed below: • Condensation on the optical surfaces such as the scanning mirror, lenses, the reflection mirror and the protection glass may cause the print image to be light.
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Brother HL-5030 HL-5040 HL-5050 HL-5070N service manual Brother HL-5030 HL-5040 HL-5050 HL-5070N service manual Brother HL-5030 HL-5040 HL-5050 HL-5070N service manual Brother HL-5030 HL-5040 HL-5050 HL-5070N service manual Brother HL-5030 HL-5040 HL-5050 HL-5070N service manual Brother HL-5030 HL-5040 HL-5050 HL-5070N service manual...