Phaser 6121MFP Service Manual 2-35
Theory of Operation
Cleaning Blade retraction operations are driven by the Main Motor, Cleaning Blade
Solenoid, pressure cam, and lever. When the Cleaning Blade Solenoid is energized,
drive from the Main Motor is transmitted to the pressure cam.
The sequence of events to retract the cleaning blade are:
1. Drive from the Main Motor is transmitted to the drive gear.
2. Rotation of the drive gear is transmitted to the pressure cam.
3. When the cleaning blade pressure/retraction solenoid (SD5) is energized, the
half-moon-shaped pressure cam rotates a half turn to push the lever forward.
4. When the lever is pushed forward, the cleaning blade is retracted.
Item Description
1 Cleaning Blade Pressure/Retraction Solenoid
2Cam
3Lever
4Cleaning Blade
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