Chapter 2 Before the Repair
2-14
2.5.4 Subscan Unit
No.
Name
Function
Reference on replacement
method
1
Tumbler (bottom)
Fix the push plate unit to read
position with a spring.
"5.5.4 Replacing the Tumbler
(Lower) (Page 5-77)"
2
Wire
Used on the position control
encoder.
"5.5.3 Replacing the Encoder/
Wires (Page 5-72)"
3
Magnet shaft
A shaft for the subscan motor.
Cannot replace on-site.
4
LM block
A block running on top of the LM
guide. Use these grease nipples to
grease.
Cannot replace on-site.
5
Subscan motor
(LM coil unit)
Move the holding plate with the
optical unit.
Cannot replace on-site.
6
Subscan HP sensor
It goes ON when the holding plate
is at the home position.
"5.5.1 Replacing the Subscan
HP Sensor (Page 5-68)"
7
Encoder
Performs position control.
"5.5.3 Replacing the Encoder/
Wires (Page 5-72)"
1
1
2
3
4
7
5
6
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