3-106 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
MCU Firmware Error
The MCU Board detects a firmware error.
Applicable Chain Link
■ Chain Link 024-340: IOT Firmware Error
Code: xx
■ 01-02, 04-05, 0B-14: Unexpected Firmware Trapl
■ 03: IC2 Retry Error
■ 06: Not Used
■ 07: Master Fail 1
■ 08: Master Fail 2
■ 09: NVM Illegal Data
■ 0A: Over Dispense
Initial Actions
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
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
■ Transfer Unit, PL4.1.1
■ HVPS, PL5.1.17
■ Print Cartridge (C/Y/Y/K),
PL5.1.18-21
■ MCU Board, PL9.1.20
■ “Map 1 - Electrical and Drive” on
page 10-9
■ “Map 4 - LVPS and MCU Boards” on
page 10-12
■ “Xerographic” on page 10-30
■ “High Voltage” on page 10-32
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Check the error code detailed
information (press the Up and Down
arrow buttons simultaneously).
2.Does code “09” display on the
Control Panel?
Go to step 2. Go to step 5.