M-17
8-3. Scanner Drive Mechanism
(1) Scanner Drive Mechanism
• The Scanner Motor drives the Scanner Assy through the Timing Belt.
8-4. Scanner Motor Drive Control
• The speed at which the Scanner moves (for scan and return motion) is controlled by
varying the period of the motor drive pulse that is timed with the reference clock.
• The number of motor drive pulses as determined according to the paper size and zoom
ratio controls the amount of movement of the Scanner.
Electrical Component Control Signal ON OFF WIRING DIAGRAM
M4 PWB-P P105P-1~4 Pulse output B~C-7
4980M002AA
Scanner Motor (M4)
Timing Belt
Scanner Assy
High
speed
Low
speed
Period
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