Epson AcuLaser C1100 Service Manual page 237

EPSON AcuLaser C1100
FIP-78
Panel Message
Service Req E998
Possible parts that caused the error
FFC-ASSY ESS
BOARD ASSY., MAIN
Troubleshooting
Step Check
Check if the firmware version of the PWBA
1
MCU
Check the firmware version of the PWBA
MCU.
Is the version latest ?
Check if the firmware version of the printer
2
controller
Check the firmware version of the printer
controller
Is the version latest ?
Continuity check of FFC-ASSY ESS
3
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 ?
Replacement of the BOARD ASSY., MAIN
4
Replace the BOARD ASSY., MAIN.
Does the error occur ?
TROUBLESHOOTING
PWBA MCU
Yes No
Go to Step [2]. Update the
firmware.
Go to Step [3]. Update the
firmware.
Go to Step [4]. Replace the
FFC-ASSY
ESS.
Replace the End of
PWBA MCU. procedure
FIP according to the printer message
Revision B
237