Xerox DocuColor 2240 Service Manual page 85

4-340 IOT RAM Failure
MCU PWB RAM test failed.
Procedure
Switch the power off, then on. The problem continues.
Y N
Return to Service Call Procedures.
Check the connection between the MCU PWB and the MCU NVM PWB. If the check is OK,
replace the MCU PWB (PL 13.1).
Careful replacement of the MCU NVM PWB
failure.
If the problem continues, replace the MCU NVM PWB
Initial issue
DC 3535/2240/1632
CAUTION
(REP 1.15) is important to avoid serious machine
(PL 13.1).
02/03
2-55
Status Indicator RAPs
4-340