3-108 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
MCU Communication Error
Communication fails between IOT and ESS.
Applicable Chain Link
â– Chain Link 024-371: IOT ESS Communication Fail
Initial Actions
â– Cycle printer power.
â– If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
â– MCU Board, PL9.1.20
â– Image Processor Board, PL9.1.27
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Reseat the Image Processor Board
(page 8-87).
2.Reseat the MCU Board (page 8-86).
3.Does the error still occur?
Go to step 2. Complete.
2 1. Replace the Image Processor Board
(page 8-87).
2.Does the error still occur?
Replace the
MCU Board
(
page 8-86).
Complete.