Xerox Phaser 6180 - MCU Firmware Error

Phaser 6180 Color Laser Printer Service Manual 3-77
Error Messages and Codes
MCU Firmware Error
The MCU Board detected a firmware error.
Applicable Chain Link
■ Chain Link 024-340: MCU Firmware Error
Initial Actions
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
N
o
t
e
If the error occurred after replacing the MCU Board, transfer the internal
data from the old MCU Board to the new MCU Board.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ MCU Board, PL9.1.20
■ HVPS, PL5.1.17
■ “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 1. Check the following wiring harness
connectors.
■ P/J16 and P/J27 on the MCU Board
■ P/J144 on the EEPROM Board
2. Are the connectors securely
connected?
Go to step 3. Reconnect the
connectors. Go
to step 2.
2 Does the error still occur? Go to step 3. Complete.
3 Replace the HVPS (page 8-61). Does
the error still occur?
Replace the
MCU Board
(page 8-87).
Complete.