Sharp AR-BC320, Service Manual, Page: 66 / 344

AR-BC320 DESCRIPTIONS OF EACH SECTION 7 - 25
B. Disassembly/assembly/maintenance
(1) Transfer section maintenance target parts
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
(2) Major parts replacement
a. MFP PWB
1) Open the upper cabinet rear cover.
2) Remove the connector and the screw, and remove the scan-
ner control PWB unit. Remove the screw and remove the
scanner control PWB (A).
b. CCD unit
1) Remove the screw, the glass holder right (A), the glass holder
left (B), and the table glass (C).
Unit name No. Part name
When
calling
50K 100K 150K 200K 250K 300K 350K 400K Remark
Optical section 1 CCD, mirror, lens, reflector
❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍
2 Table glass, sensors, OC
❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍
3 Shading glass
❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍
4 Rails
✩ ✩ ✩ ✩ ✩ ✩ ✩ ✩
5 Drive wire, pulley, pulley belt
✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕
4
4
4
5
5
5
4
3
2
2
1
1
1
1
1
5
5
1
A
B
A
C
White reference sheet