Laser Scanner Motor Control - Canon imageRUNNER ADVANCE C5045 Series Service Manual

Hide thumbs Also See for imageRUNNER ADVANCE C5045 Series:

Table of Contents

Laser Scanner Unit 1

Y laser control signal

M laser control signal

M Laser Driver

DC Controller

Laser Scanner Unit 2

C laser control signal

C Laser Driver

Bk laser control signal

Bk Laser Driver

Y Laser Driver

Laser scanner motor control

This is to rotate the scanner mirror by the specified speed.

Execution timing

At power-ON, per printing

Execution time

Approx. 3s (at power-ON), approx. 1s (at printing)

Control detail

1) DC Controller forcibly rotates the motors in the two Laser Scanner Units.

2) It detects the speed detection signal (FG1 to 2, BD_YM, BD_CBk) and compares the signal

with the standard signal in DC Controller and then, controls the acceleration signal (ACC1

to 2) and the deceleration signal (DEC1 to 2) to make the specified speed.

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