Xerox DocuColor 2240

09/03
2-38
DC 3535/2240/1632, WC M24
3-356, 3-357
Initial issue
Status Indicator RAPs
3-356 IOT-ESS Communication Failure 16
Controller received check code error (UART over-run error).
Procedure
Switch the power off then on. The problem continues.
YN
Return to Service Call Procedures.
Reinstall the software. If the problem continues, check the MCU PWB connectors (P/J Loca-
tions, Figure 15). DC 3535 only: Replace the VSEL PWB (PL 13.1). If the problem persists,
replace the MCU PWB (PL 13.1).
3-357 IOT-ESS Communication Failure 17
Controller received check code error (reception aborted after header received).
Procedure
Switch the power off then on. The problem continues.
YN
Return to Service Call Procedures.
Reinstall the software. If the problem continues, check the MCU PWB connectors (P/J Loca-
tions, Figure 15). DC 3535 only: Replace the VSEL PWB (PL 13.1). If the problem persists,
replace the MCU PWB (PL 13.1).