Xerox Phaser 7100

Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-232
IOT NV-RAM Error
NVM (EEPROM) data error. (The specific values are not in their specified addresses.)
Applicable Fault Code
• 041-340: MCU NVM (EEPROM) Data Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• MCU PWB, PL 12.1.15
• EEPROM PWB, PL 12.1.18
• Map 8 - Left Side, AC PWB, MCU PWB on
page 7-21
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Check the connection of the EEPROM (REP 12.6
EEPROM PWB on page 4-210).
Is the EEPROM connected to the MCU PWB
properly?
Go to step 2. Reinstall the EEPROM.
2. Replace the EEPROM PWB (REP 12.6 EEPROM
PWB on page 4-210).
Does the error persist?
Replace the MCU PWB
(REP 12.4 MCU PWB
on page 4-206).
Troubleshooting
complete.