EPSON AcuLaser C1100 Revision B

TROUBLESHOOTING FIP according to the printer message 237

FIP-78

Panel Message
Service Req E998
Possible parts that caused the error
Troubleshooting

FFC-ASSY ESS PWBA MCU

BOARD ASSY., MAIN
Step Check Yes No
1Check if the firmware version of the PWBA
MCU
Check the firmware version of the PWBA
MCU.
Is the version latest ?
Go to Step [2]. Update the
firmware.
2Check if the firmware version of the printer
controller
Check the firmware version of the printer
controller
Is the version latest ?
Go to Step [3]. Update the
firmware.
3Continuity check of FFC-ASSY ESS
1. Disconnect the P/J400 on the PWBA
MCU.
2. Disconnect the CN601 on the BOARD
ASSY., MAIN
3. Check each wiring for continuity.
Do all of the wiring have continuity ?
Go to Step [4]. Replace the
FFC-ASSY
ESS.
4Replacement of the BOARD ASSY., MAIN
Replace the BOARD ASSY., MAIN.
Does the error occur ?
Replace the
PWBA MCU. End of
procedure