Sharp AR-BC320, Service Manual, Page: 74 / 344

AR-BC320 DESCRIPTIONS OF EACH SECTION 7 - 33
d. Paper resist section
The resist roller controls the relative position of the transported
paper and the transfer image.
The resist roller is driven by the resist roller motor.
The relative position of paper and the transfer image is determined
by the ON timing of the resist roller motor.
e. Others
∗
The paper transport section is provided with two paper detec-
tors, which perform the following functions:
1) Paper jam detection
2) Output of the reference signal for the operating timing of each
load
B. Disassembly/assembly/maintenance
(1) Paper feed/transport sections maintenance target parts
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
Upper resist roller
Lower resist roller
PS motor
Unit name No. Part name
When
calling
50K 100K 150K 200K 250K 300K 350K 400K Remark
Paper
feed
section 1 Cassette section
paper feed rollers
❍ ❍ ✕ ❍ ✕ ❍ ✕ ❍ ✕
Replace according to the
counter of each paper
feed port or within 2 years.
2 Torque limiter
✕ ✕ ✕ ✕ ✕
3 Manual feed section
paper feed rollers
❍ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕
Replace according to the
counter of each paper
feed port or within 2 years.
4 Torque limiter
✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕
Transport
section 5 Transport rollers
❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍
6 Transport paper guide
❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍
1
2
1
3
3
4
4
3
4
3
1
2
5
5
5
5
6
6
6
6