Epson AcuLaser C2800 Service Manual page 109

AcuLaser C2800/C2800D/C3800/C3800D
FIP 1-30 Service Req E900 (NV-RAM Error)
Possible parts that caused the error
PWBA MCU
PWBA EEPROM XPRO
Troubleshooting
Step Check
Check after turning the power OFF and ON
1
Does the error recur even when the power is
turned off and back on again?
Check after reinstalling the PWBA MCU
2
Remove the PWBA MCU, and reinstall it
properly.
Does the error still occur after the replacement?
TROUBLESHOOTING
FUSER UNIT
TRANSFER UNIT
Yes No
Go to Step [2]. End of procedure
Replace the End of procedure
PWBA MCU.
(p.343)
Engine-related Trouble FIP
FIP 1-31 Service Req E901 (Firmware Error)
Possible parts that caused the error
PWBA MCU
Troubleshooting
Step Check
Check after turning the power OFF and ON.
1
Does the error recur even when the power is
turned off and back on again?
Check the firmware version
2
Is the firmware version latest?
Check after reinstalling the PWBA MCU
3
Remove the PWBA MCU, and reinstall it
properly.
Does the error still occur after the replacement?
Revision C
Yes No
Go to Step [2]. End of procedure
Go to Step [3]. Update the
firmware.
Replace the End of procedure
PWBA MCU.
(p.343)
109
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