Iot Controller Timing Failure - Xerox DocuColor 2240 Service Manual

4-371 IOT Controller Timing Failure

There is a communication failure between the ESS and IOT.
Procedure
Switch the power off, then on. The problem continues.
Y N
Return to Service Call Procedures.
Check the MCU PWB and ESS PWB connectors.
If the problem continues, re-install software.
If the problem continues, replace the MCU PWB
If the problem continues, replace the ESS PWB
Status Indicator RAPs
4-371, 4-414
(PL 13.1).
(PL 13.1)
4-414 IBT Belt Cleaner
IBT Belt Cleaner near end of life.
Procedure
Replace the IBT Belt Cleaner Assembly
Y N
Return to Service Call Procedures.
Was the IBT Belt Cleaner Assembly HFSI Counter reset in
Y N
Reset the IBT Belt Cleaner Assembly Counter.
Replace the MCU PWB (PL 13.1).
Careful replacement of the MCU NVM PWB
failure.
If the problem continues, replace the MCU NVM PWB
02/03
2-68
(PL 5.3). The problem continues.
dC135 on the PWS.
CAUTION
(REP 1.15) is important to avoid serious machine
(PL 13.1).
DC 3535/2240/1632
Initial issue