Stopping The Hopper Motor In Response To A Rotation Error - Canon NP6330 Service Manual

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CHAPTER 4 IMAGE FORMATION SYSTEM

C. Stopping the Hopper Motor in Response to a Rotation Error

If an excess load is imposed on the hopper motor (M4) and, as a result, variation

occurs in its rotation, the level of current entering the comparator circuit lowers and the

comparator circuit generates a negative voltage, causing the transistors Tr

turn off and stopping the hopper motor.

Since the developing assembly will not be supplied with toner while an error exists

in the motor, the "Add Toner indicator" will be indicated.

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Motor driver 1 PCB

Figure 4-203

CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

Hopper motor

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