Ricoh B230 Training Program page 89

Multi-functional color copier
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This motor drives three PCUs.
It does not drive the development units.
The drum gear position sensor detects when the motor is not
working.
It also makes sure that the drum gear is at the correct angle when printing
starts.
The function of the gear position sensor is similar to the sensor for black.
The motor drives all three color drums. This reduces color alignment errors.
The two gear position sensors (K, CMY) work together. Both gears must be at home
position at the start of the job. If there is an error, the position of the black gear is
corrected to match the position of the CMY gear.
The mechanism is initialized after every 30 jobs.
Drum Drive - CMY
Drum Drive
Motor - CMY
Drum Gear Position
Sensor - CMY
89
89

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