Xerox DocuColor 2240

09/03
2-72
DC 3535/2240/1632, WC M24
4-371, 4-414
Initial issue
Status Indicator RAPs
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.
YN
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 (PL 13.1).
If the problem continues, replace the ESS PWB (PL 13.1)
4-414 IBT Belt Cleaner
IBT Belt Cleaner near end of life.
Procedure
Replace the IBT Belt Cleaner Assembly (PL 5.3). The problem continues.
YN
Return to Service Call Procedures.
Was the IBT Belt Cleaner Assembly HFSI Counter reset in dC135 on the PWS.
YN
Reset the IBT Belt Cleaner Assembly Counter.
Replace the MCU PWB (PL 13.1).
CAUTION
Careful replacement of the MCU NVM PWB (REP 1.15) is important to avoid serious machine
failure.
If the problem continues, replace the MCU NVM PWB (PL 13.1).