Sharp AR-M550 (serv.man18) Service Manual ▷ View online
AR-M550/M620 MAINTENANCE LIST 11 - 5
B. Transfer section
✕
: 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
11 Sawtooth plate
❍
▲
▲
▲
▲
▲
▲
▲
▲
12 Screen grid
✕
▲
▲
▲
▲
▲
▲
▲
▲
13 MC cleaner
✕
▲
▲
▲
▲
▲
▲
▲
▲
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
Transfer
section
section
1
Transfer belt
❍
▲
▲
▲
▲
▲
▲
▲
▲
2
Transfer roller
▲
▲
▲
▲
▲
▲
▲
▲
3
Transfer drive gear
▲
▲
▲
▲
▲
▲
▲
▲
4
Transfer cleaning roller
▲
▲
▲
▲
▲
▲
▲
▲
5
Shaft (Conductive grease)
✕
✩
✩
✩
✩
✩
✩
✩
✩
UKOG-0012QSZZ
11
13
13
1
2
5
3mm
3mm
3mm
3mm
5
5
3
4
5
AR-M550/M620 MAINTENANCE LIST 11 - 6
C. Developing section
✕
: 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
Developing
section
section
1
Developer
▲
▲
▲
▲
▲
▲
▲
▲
Supply when
installing
installing
2
DV seal
▲
▲
▲
▲
▲
▲
▲
▲
3
MG holder F/R
❍
❍
❍
❍
❍
❍
❍
❍
❍
4
DV side seal F/R
▲
▲
▲
▲
▲
▲
▲
▲
5
Toner bottle
Assembly when
installing/
Replacement by
user when empty
installing/
Replacement by
user when empty
6
Toner hopper
❍
❍
❍
❍
❍
❍
❍
❍
❍
Clean the shutter
area.
area.
4
4
3
1
2
3
5
6
AR-M550/M620 MAINTENANCE LIST 11 - 7
D. Fusing section
✕
: 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
Fusing section
1
Heat roller
✕
▲
▲
▲
▲
▲
▲
▲
▲
2
Fusing roller (Pressing)
✕
▲
▲
▲
▲
▲
▲
▲
▲
3
Sub heat roller
✕
▲
▲
▲
▲
▲
▲
▲
▲
4
Cleaning sheet
✕
▲
▲
▲
▲
▲
▲
▲
▲
5
Cleaning scraper
✕
▲
▲
▲
▲
▲
▲
▲
▲
6
Heat roller separation pawl
✕
▲
▲
▲
▲
▲
▲
▲
▲
7
Fusing roller (Pressing) separation
pawl
pawl
✕
▲
▲
▲
▲
▲
▲
▲
▲
8
Thermistor
✕
✕
✕
✕
✕
✕
✕
✕
✕
Paper dust removal
is required.
is required.
9
Heat roller gear (Grease)
✕
✕
✕
✕
✕
✕
✕
✕
UKOG-0235FCZZ
10 Sub heat roller bearing
▲
▲
▲
▲
▲
▲
▲
▲
11 Paper guides
❍
❍
❍
❍
❍
❍
❍
❍
❍
12 Shaft (Grease)
✩
✩
✩
✩
✩
✩
✩
✩
UKOG-0235FCZZ
8
3
11
6
7
7
6
2
1
8
8
10
9
12
12
10
5
4
12
12
AR-M550/M620 MAINTENANCE LIST 11 - 8
E. Scanner section
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
Scanner section
1
Lens
❍
❍
❍
❍
❍
❍
❍
❍
2
CCD
❍
❍
❍
❍
❍
❍
❍
❍
3
Mirror
❍
❍
❍
❍
❍
❍
❍
❍
4
CIS filter glass
❍
❍
❍
❍
❍
❍
❍
❍
5
Table glass
❍
❍
❍
❍
❍
❍
❍
❍
6
Slit glass (SPF scan mode)
❍
❍
❍
❍
❍
❍
❍
❍
7
Reflector
❍
❍
❍
❍
❍
❍
❍
❍
8
Scanner lamp
❍
❍
❍
❍
❍
❍
❍
❍
9
Document mat
❍
❍
❍
❍
❍
❍
❍
❍
10 Rail (Grease)
✩
✩
✩
✩
✩
✩
✩
✩
11 Drive belt
✕
✕
✕
✕
✕
✕
✕
✕
12 Drive wire
✕
✕
✕
✕
✕
✕
✕
✕
13 Sensors
✕
✕
✕
✕
✕
✕
✕
✕
5
12
1
2
13
10
9
7
3
3
10
3
8
3
13
4
6
11
12
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