Epson AcuLaser C2800 - Page 157

AcuLaser C2800/C2800D/C3800/C3800D Revision C
TROUBLESHOOTING Symptoms When Connectors are Disconnected 157
Confidential
PWBA MCU
Table 3-5. PWBA MCU
Connector
No.
Connected to Symptom
P10 BOARD ASSY, MAIN “Service Req C0998” occurs after turning the
power on.
P11 BOARD ASSY, MAIN The printer starts up when the power is turned on,
however, white or blank pages are printed.
P12 ROS ASSY “Service Req E100” occurs after turning the power
on.
P14 LVPS, LED ASSY “Service Req C0998” occurs after turning the
power on.
P15 LVPS “Printer Open” occurs after turning the power on
though the cover assy front is closed.
P16 HVPS “Service Req E610” occurs after turning the power
on.
P17 FUSER UNIT, LVPS “Install Fuser” occurs after turning the power on
though the FUSER UNIT is installed properly.
P18 DISPENSER ASSY C/M/Y/K The printer starts up normally, however, print
density becomes lower and lower in accordance with
the print volume.
P19 SENSOR ASSY C/M/Y/K “Install CMYK TnrCart” occurs after turning the
power on though the imaging cartridges are installed
properly.
P21 MAIN MOTOR “Service Req E500” occurs after turning the power
on.
P22 SUB MOTOR
DEVE MOTOR
“Service Req E500” occurs after turning the power
on.
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
“Paper Out” occurs when trying to print though
paper are loaded.
P24 PWBA OHP SENSOR
PWBA OHP LED
“Service Req E610” occurs after turning the power
on.
P25 DRIVE ASSY PH “Service Req E500” occurs after turning the power
on.
P26 SENSOR HUM “Service Req E610” occurs after turning the power
on.
P27 PWBA FEED-H
MSI NO PAPER SENSOR
PWBA EEPROM
EXIT CLUTCH
TRANSFER UNIT
PWBA DUP
“Service Req E610” occurs after turning the power
on.
P31 CRUM SENSOR C/M/Y/K “TonerCart Error” occurs after turning the power
on.
Table 3-5. PWBA MCU
Connector
No.
Connected to Symptom
P10
P11
P14P19
P15
P18
P22
P21
P25
P23
P17 P16 P12
P27 P26
P24
P31