Xerox Phaser 6180 - MCU NVRAM Error

Phaser 6180 Color Laser Printer Service Manual 3-79
Error Messages and Codes
MCU NVRAM Error
Engine NVRAM is corrupted.
Applicable Chain Link
■ Chain Link 041-340: MCU NVRAM Error
Initial Actions
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ MCU Board, PL9.1.20
■ Right Side Harness, PL10.1.15
■ EEPROM Board, PL9.1.1
■ “Map 1 - Electrical and Drive” on
page 10-10
■ “Map 4 - LVPS and MCU Board” on
page 10-13
■ “Xerographic” on page 10-40
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Does the error still occur after cycled
printer power?
Go to step 2. Complete.
2 Check the printer firmware version.
Does the printer have the correct
firmware version?
Go to step 3. Upgrade printer
firmware. Go to
step 3.
3 Reseat the MCU Board. Does the error
still occur?
Go to step 4. Complete.
4 Check the wiring harness connectors
P/J27 and P/J144 between the
EEPROM Board and the MCU Board.
Are the connectors securely
connected?
Go to step 6. Reconnect the
connectors. Go
to step 5.
5 Does the error still occur? Go to step 6. Complete.
6 Check the Right Side Harness for
continuity.
1. Disconnect P/J27 and P/J144.
2. Check continuity between P/J27 <=>
P/J144.
Go to step 7. Replace the
Right Side
Harness.