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)"
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