Read Sharp AR-M550 (serv.man12) Service Manual online
AR-M550/M620 DETAILS OF EACH SECTION 6 - 76
D. Maintenance and parts replacement
(1) Maintenance list
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
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
Drum
peripheral
section
peripheral
section
1
Drum
✕
▲
▲
▲
▲
▲
▲
▲
▲
2
Cleaning blade
✕
▲
▲
▲
▲
▲
▲
▲
▲
3
Toner reception seal
✕
▲
▲
▲
▲
▲
▲
▲
▲
4
Side seal F/R
▲
▲
▲
▲
▲
▲
▲
▲
5
Drum separation pawl
✕
▲
▲
▲
▲
▲
▲
▲
▲
6
Discharge lamp
✕
❍
❍
❍
❍
❍
❍
❍
❍
7
Image density sensor
✕
❍
❍
❍
❍
❍
❍
❍
❍
8
OPC drum marking sensor
✕
❍
❍
❍
❍
❍
❍
❍
❍
9
Side seal R base sheet
✕
▲
✕
▲
✕
▲
✕
▲
10 Cleaning brush
✕
✕
✕
✕
✕
✕
✕
✕
1
6
8
7
10
4
2
5
3
4
9
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