Phaser 6128MFP Service Manual 4-37
General Troubleshooting
K Mode Sensor
Install the safety interlock override to provide power to the device under test.
1. Enter Service Diagnostics (page 4-4).
2. Open the Front Cover.
3. Remove the Imaging Unit (page 8-8) and place in a dark location.
4. Remove the Left Side Cover (page 8-17).
5. Remove the Feed Drive Assembly (page 8-37) but do not unplug any of the
cables.
6. Perform the K Mode Sensor test: Engine Diag > Sensor Test > K Mode Sensor.
7. Press the lever mounted on the Solenoid to retract the actuator from the
sensor.
8. Move a strip of paper in and out of the sensor arms to simulate the action of
the actuator. The Low and High values change from 0 up to 99.
9. Press the Stop button to stop the test.
s6128mfp-077
Control Panel
Normal
K Mode Sensor
Paper
K Mode Solenoid
Actuator
Digital Input
DI- 4 L 0
Digital Input
DI- 4 L 1
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