Epson AcuLaser C2800 Service Manual page 157

AcuLaser C2800/C2800D/C3800/C3800D
PWBA MCU
Table 3-5. PWBA MCU
Connector
Connected to
No.
P10 BOARD ASSY, MAIN
P11 BOARD ASSY, MAIN
P12 ROS ASSY
P14 LVPS, LED ASSY
P15 LVPS
P16 HVPS
P17 FUSER UNIT, LVPS
P18 DISPENSER ASSY C/M/Y/K The printer starts up normally, however, print
P19 SENSOR ASSY C/M/Y/K
P21 MAIN MOTOR
P22 SUB MOTOR
DEVE MOTOR
P23 SWICTH ASSY SIZE
CLUTCH ASSY PH FEED
CLUTCH ASSY PH TURN
CLUTCH ASSY PH REGI
SOLENOID FEED MSI
CST NO PAPER SENSOR
REGI SENSOR
P24 PWBA OHP SENSOR
PWBA OHP LED
TROUBLESHOOTING
Symptom
"Service Req C0998" occurs after turning the
power on.
The printer starts up when the power is turned on,
however, white or blank pages are printed.
"Service Req E100" occurs after turning the power
on.
"Service Req C0998" occurs after turning the
power on.
"Printer Open" occurs after turning the power on
though the cover assy front is closed.
"Service Req E610" occurs after turning the power
on.
"Install Fuser" occurs after turning the power on
though the FUSER UNIT is installed properly.
density becomes lower and lower in accordance with
the print volume.
"Install CMYK TnrCart" occurs after turning the
power on though the imaging cartridges are installed
properly.
"Service Req E500" occurs after turning the power
on.
"Service Req E500" occurs after turning the power
on.
"Paper Out" occurs when trying to print though
paper are loaded.
"Service Req E610" occurs after turning the power
on.
Symptoms When Connectors are Disconnected
Table 3-5. PWBA MCU
Connector
Connected to
No.
P25 DRIVE ASSY PH
P26 SENSOR HUM
P27 PWBA FEED-H
MSI NO PAPER SENSOR
PWBA EEPROM
EXIT CLUTCH
TRANSFER UNIT
PWBA DUP
P31 CRUM SENSOR C/M/Y/K
P17
P15
P19
P18
P22
P21
P25
P23
P27
Revision C
Symptom
"Service Req E500" occurs after turning the power
on.
"Service Req E610" occurs after turning the power
on.
"Service Req E610" occurs after turning the power
on.
"TonerCart Error" occurs after turning the power
on.
P16 P12
P14
P11
P10
P26 P24 P31
Confidential
157