Canon iR7086, Руководство по обслуживанию

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Chapter 8
8-31
F-8-50
The horizontal registration sensor moves to the start position (A4 detection position) when the main power switch is turned on or the front cover is closed, and
moves to a detection position to suit the size of paper expected in the lower feeding assembly. Its position of etection is "paper width +2 mm."
The paper detection mechanism starts when paper moved to the lower feeding assembly has moved past the confluence sensor (PI 15) and has been moved over a
specific distance (about 10mm past the horizontal registration sensor).
The position of paper is detected with reference to the start position and by finding out the difference between the start position and the actual paper position from
the number of drive pulses (1 pulse = about 0.16 mm) of the motor.
Drive By the horizontal registration motor (M15)
Position measurement By controlling the horizontal registration motor pulses (1 pulse = about 0.16 mm)
Related service mode COPIER > ADJUST > FEED-ADJ > ADJ-REFE
Related error code E051: The home position cannot be detected within a specific period of time.
Moves through
the sensor.
paper
Horizontal registration
sensor (PS18)
Horizontal registration motor (M15)