3-64 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
4 1. Check the wiring harness
connectors between the CRUM
Connector and the MCU Board.
■ Yellow: P/J31 and P/J311
■ Magenta: P/J31 and P/J312
■ Cyan: P/J31 and P/J313
■ Black: P/J31 and P/J314
2.Are the connectors securely
connected?
Go to step 5. Reconnect the
connectors.
Go to step 5.
5 Check the CRUM Harness for
continuity.
1.Disconnect the wiring harnesses
from the Connector CRUM and MCU
Board.
■ Yellow: P/J31 and P/J311
■ Magenta: P/J31 and P/J312
■ Cyan: P/J31 and P/J313
■ Black: P/J31 and P/J314
2.Check continuity between P/J
connectors:
■ Yellow: P/J31 <=> P/J311
■ Magenta: P/J31 <=> P/J312
■ Cyan: P/J31 <=> P/J313
■ Black: P/J31 <=> P/J314
Go to step 6. Replace the
CRUM Harness.
6 1. Check the CRUM Connector for
damages.
2.Is the CRUM Connector damaged?
Replace the
CRUM
Connector
(
page 8-52).
Go to step 7.
7 1. Replace the CRUM Connector
(page 8-52).
2.Does the error still occur?
Go to step 8. Complete.
8 1. Replace the Print Cartridge
(page 8-10).
2.Does the error still occur?
Replace the
MCU Board
(
page 8-86).
Complete.
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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