Scanner Drive Mechanism; Scanner Motor Drive Control - Konica Minolta bizhub 160 Service Manual

8. IR section
8.3

Scanner Drive Mechanism

8.3.1 Scanner Drive Mechanism
• The Scanner Motor drives the Scanner Assy through the Timing Belt.
Scanner Motor (M4)
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.
Period
• 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
M4
28
Timing Belt
Control Signal
PWB-P P105P-1~4
Theory of Operation Ver. 1.0 Apr. 2005
Scanner Assy
High
speed
Low
speed
ON OFF
Pulse output
4980M002AA
WIRING DIAGRAM
B-6