Mcu Communication Error - Xerox Phaser 6128MFP Service Manual

MCU Communication Error

Phaser 6128MFP Service Manual
Communication has failed between the Engine and the Controller. The following
troubleshooting procedure applies to this error.
Applicable Error
• 024-371: MCU Comm. Error
Initial Actions
• Cycle printer power.
• If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
Image Processor Board, PL10.6.6
MCU Board, PL10.7.7
ESS Harness, PL10.8.1
Troubleshooting Procedure Table
Step Actions and Questions
1
Reseat connections to the I/P and
MCU Boards then cycle system
power;
Does the error persist?
2 Check P/J901 and P/J10 connections
between the I/P and MCU Boards.
Are the connections secure?
3
Disconnet P/J901 and P/J10 and
check the harness continuity.
Is the harness damaged?
4 Replace the MCU Board (page 8-57).
Does the error persist?
Error Messages and Codes
Wiring and Plug/Jack Map References
"System Connections" on page 10-5
"System Control" on page 10-22
Yes
Go to step 2.
Go to step 3.
Repair the
harness.
Replace the I/P
Board
(page 8-41).
No
Complete.
Reseat the
connectors.
Go to step 4.
Complete.
3-95