Read Sharp AR-M550 (serv.man12) Service Manual online
AR-M550/M620 DETAILS OF EACH SECTION 6 - 71
D. Maintenance and parts replacement
(1) Maintenance list
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
(2) Maintenance and parts replacement
(List of Replacement Parts)
a. Developing unit
1) Take out the developing tank.
a-1. Developer
1) Take out the developing tank. (See “a. Developing unit” in this sec-
tion)
2) Remove the DV cover.
AR-M550U/M550N (PM: 250K)
When
calling
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-620U/M620N (PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name
No.
Part name
Developing
section
section
1
Developer
▲
▲
▲
▲
▲
▲
▲
▲
Supply when
installing
installing
2
DV seal
▲
▲
▲
▲
▲
▲
▲
▲
3
MG holder F/R
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
Side seal F/R
▲
▲
▲
▲
▲
▲
▲
▲
4
4
3
1
2
3
No.
Unit
Parts
a
Developing unit
1
Developer
▲
2
DV seal
▲
3
MG holders F and R
❍
4
Side seals F and R
▲
5
Toner concentration sensor
a-3
a-3
a-5
a-4
a-4
a-1
a
a-2
2
1
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