4-44 Phaser 6128MFP Service Manual
General Troubleshooting
K Mode Solenoid
The K Mode Solenoid shifts the gear drive when printing in B & W Only mode.
Install the safety interlock override to provide power to the device under test.
1. Remove the Feed Drive Assembly (page 8-37) but leave all harnesses
connected.
2. Enter Service Diagnostics (page 4-4).
3. Perform the K Mode Solenoid test: Engine Diag > Motor Test > K Mode
Solenoid (DO-a).
4. Press the Stop button to stop the K Mode Solenoid test.
5. Turn off the printer and install the Feed Drive Assembly.
s6128mfp-084
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