024-356 Iot-Ess Communication Failure 16 Rap; 024-362 Page Sync Illegal Start Rap - Xerox WorkCentre 5222 Service Manual

024-356 IOT-ESS Communication Failure 16 RAP

A transmission failure is received, an overrun error was detected by hardware of the UART.
Initial Actions
Refer to BSD 3.1, 16.1.
Procedure
Check that P/Js 402 on the MCU PWB
securely connected.
If the problem persists reload Firmware
Launch Version
WorkCentre 5225, 5230
(PL 9.1) and P/J 310 on the ESS PWB
(ADJ 9.3.1).

024-362 Page Sync Illegal Start RAP

During IOT output, before the output data was written to FIFO Full, Page Sync became active.
Even though the system is not easily affected by noise, extreme noise may be the cause.
Initial Actions
Refer to BSD 3.1, 16.1.
Procedure
(PL 9.2) are
Check that P/Js 402 on the MCU PWB
securely connected.
If the problem persists reload Firmware
February, 2008
2-327
(PL 9.1) and P/J 310 on the ESS PWB
(ADJ 9.3.1).
Status Indicator Raps
024-356, 024-362
(PL 9.2) are