Xerox PHASER 7500 - MCU NVM (EEPROM) Buffer Fail

3-102 Phaser 7500 Printer Service Manual
Error Messages and Codes
MCU NVM (EEPROM) Buffer Fail
NVM (EEPROM) buffer fail (The write buffer has overflowed).
Applicable Chain-Link Code
• 041-342: MCU Nvm (EEPROM) Buffer Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Turn the power Off and On.
2. Check whether there is poor connection between the EEPROM and the MCU
PWB.
3. If no problems are found, replace the following parts in sequence:
•EEPROM
• MCU PWB (REP 18.12, page 8-202)
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ EEPROM, PL 18.3.5
■ MCU PWB, PL 18.3.6