EC PCB
Signal Name Destination
Pin No.
CN508-16
IH_ROTSN2
CN508-17
nIHRELAY
CN508-18
IHADIN
CN508-19
nIHADCK
CN508-20
nIHADCS
CN508-21
pIHENB
CN508-22
IHPWR
CN508-23
+5V_2
CN508-24
GND_2
CN508-25
GND_3
CN508-26
N.C.
EC PCB - CN509
EC PCB
Signal Name Destination
Pin No.
CN509-1
FUMREF
Ver. 1.1
+5V
IH PCB
CN6-10
0V
+24V
IH PCB
CN6-9
0V
+5V
IH PCB
CN6-8
0V
+5V
IH PCB
CN6-7
0V
+5V
IH PCB
CN6-6
0V
+5V
IH PCB
CN6-5
0V
+5V
IH PCB
CN6-4
0V
+5V
IH PCB
CN6-3
0V
0V
IH PCB
CN6-2
0V
IH PCB
CN6-1
MOTDRV
+5V
PCB
CN550-16
0V
Signal Waveform
Signal Waveform
310
DP-C405/C305/C265
Function
Fuser Rotor Encoder Output
2
IH Power Fan Relay
Activation Signal
IH AD Converter Date
Output
IH AD Converter Clock
IH AD Converter Chip
Select
IH Enable
IH Power PWM Output
+5V DC Power Supply
Ground
Ground
No Connection
Function
Fuser Motor Reference
FEB 2008