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
1
Check 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.
2
Check 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.
3
Continuity 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.
4
Replacement of the BOARD ASSY., MAIN
Replace the BOARD ASSY., MAIN.
Does the error occur ?
Replace the
PWBA MCU.
End of
procedure
