Phaser 6280 Color Laser Printer Service Manual 3-73
Error Messages and Codes
Transfer Unit CRUM Error
The Transfer Unit CRUM ID error is detected.
Applicable Chain Link
â– Chain Link 094-330: IOT CRUM ID Error
Initial Actions
â– Ensure the Transfer Unit is installed correctly.
â– Cycle printer power.
â– If problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
â– Transfer Unit, PL4.1.1
â– MCU Board, PL9.1.20
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Check the Transfer Unit for correct
installation.
2.Is the Transfer Unit correctly installed?
Go to step 3. Reseat the
Transfer Unit
(
page 8-8).
Go to step 2.
2 Does the error still occur? Go to step 3. Complete.
3 1. Replace the Transfer Unit (page 8-8).
2.Does the error still occur?
Replace the
MCU Board
(
page 8-86).
Complete.