Phaser 6280 Color Laser Printer Service Manual 3-117
Error Messages and Codes
Deve Mode Error
The Deve Mode (K Mode) change failure has been detected.
Applicable Chain Link
■ Chain Link 042-372: IOT Deve Mode Change Failure
Initial Actions
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ K Drive Assembly, PL8.1.10
■ MCU Board, PL9.1.20
■ “Map 1 - Electrical and Drive” on
page 10-9
■ “Map 4 - LVPS and MCU Boards” on
page 10-12
■ “Main Drive” on page 10-25
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1.Perform the K Mode Solenoid test
(page 4-64): Service Mode >
Engine Diag > Motor Test > K Mode
Clutch On. During the test, close the
Front Cover.
2.Does the K Mode Solenoid make a
clicking sound?
Go to step 2. Go to step 8.
2 1. Check the K Drive Assembly for
correct installation. Reseat the K
Drive Assembly (page 8-76).
2.Does the error still occur?
Go to step 3. Complete.
3 1. Check the wiring harness
connectors P/J20 and P/J201
between the MCU Board and the K
Mode Sensor.
2.Are the connectors securely
connected?
Go to step 5. Reconnect the
connectors.
Go to step 4.
4 Does the error still occur? Go to step 5. Complete.