Epson AcuLaser C2900N Service Manual page 84

Chapter 1 Troubleshooting
FIP-1.33 072-215: IOT Feeder Configuration Failure
Step
Possible causative parts:
HARN ASSY OPTION (PL3.1.20)
PWBA MCU (PL8.2.13)
FEEDER ASSY OPT (PL12.1.3)
HARNESS ASSY TRAY (PL12.3.23)
Checking the Optional Feeder for installation.
1
Is the Optional Feeder installed correctly?
Does the error still occur when the power is turned OFF
2
and ON?
Checking the connectors for connection.
Check the connections between the PWBA FEED H and
3
PWBA MCU.
Are P/J27, P/J273, and P/J419 connected surely?
Does the error still occur when the power is turned OFF
4
and ON?
Checking the HARNESS ASSY TRAY for continuity.
Disconnect P/J419 from the PWBA FEED H.
5
Disconnect P/J273 from the HARN ASSY OPTION.
Is each cable of P/J419 <=> P/J273 continuous?
Checking the HARN ASSY OPTION for continuity.
Disconnect P/J27 from the PWBA MCU.
6
Disconnect P/J273 from the HARNESS ASSY TRAY.
Is each cable of P/J27 <=> P/J273 continuous?
Checking after replacing the FEEDER ASSY OPT.
Replace the FEEDER ASSY OPT. (Refer to RRP10.1.)
7
Does the error still occur when the power is turned OFF
and ON?
Epson AcuLaser C2900N
Check
1 - 71
Remedy
Yes
Reseat the
Go to step 3. Optional Feeder,
then go to step 2.
Go to step 3. End of work.
Reconnect the
connector(s) P/
Go to step 5. J27, P/J273 and/
or P/J419 surely,
then go to step 4.
Go to step 5. End of work.
Replace the
Go to step 6. HARNESS ASSY
TRAY.
Replace the
Go to step 7. HARN ASSY
OPTION.
Replace the
PWBA MCU. End of work.
(Refer to RRP8.9.)
Revision B
No
Confidential