Xerox WorkCentre 5020 - Paper Tray Loading Procedures; Automatic Tray Switching Function; Loading Paper in Tray 1

July, 2007
2-30
WorkCentre 5020
U6-4, U6-5
Initial Issue
Status Indicator RAPS
U6-4 NVM Read/Write Cannot Be Executed
BSD-Reference: CH3.2 (Figure 2)
Explanation
• During NVM read/write, the NVM Ack NG state was detected.
• Or, during NVM repairs, an NVM write error was detected five times.
Procedure
Check each AIOC PWB connector. Each connector is connected securely.
YN
Connect each connector securely.
Turn the power OFF and ON. U6-4 recurs.
YN
Completed
Replace the AIOC PWB (PL 8.1) (REP 8.1.1).
U6-5 CPU Power To Access NVM Is Not Enough
BSD-Reference: CH3.2 (Figure 2)
Explanation
At NVM write, the NVM queue full state was detected.
Procedure
Execute diagnostics [29-49] to check the ROM version. (How to Enter the Diagnostic
Mode) The ROM is the latest version.
YN
Upgrade the ROM to the latest version.
Replace the AIOC PWB (PL 8.1) (REP 8.1.1).