Sharp AR-M550N Service Manual page 70

: Feb. 6 2004
1
C. Maintenance and parts replacement
(1) Maintenance list
: Check (Clean, replace, or adjust as necessary.)
AR-M550U/N (PM: 250K)
AR-M620U/N, AR-M700U/N
1
(PM: 300k)
Unit name No.
Paper feed tray 1 Paper pickup roller
1
units 1 and 2
2 Paper feed roller
3 Separation roller
4 Torque limiter
(Note 1) Replacement reference: For replacement, refer to each paper feed port counter value.
(2) Maintenance and parts replacement
(List of Replacement Parts)
No. Unit
a Paper feed tray units
1 and 2
1
b Others
When
calling
Part name
Paper feed tray units 1, 2 LCC section: 200K or 1 year
Torque limiter
Parts
1 Pickup roller
2 Paper feed roller
3 Separation roller
4 Torque limiter
5 Lift wire (Rear)
6 Lift wire (Front)
1 Paper remaining quantity
sensor PWB
2 Paper remaining quantity
detector
3 Paper feed trays 1 and 2
sensor
4 Dry heater
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 15
: Replace ∆: Adjust
: Clean
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
: 800K (However, 400K for manual paper feed section)
a-2
a-6
a-3
: Lubricate
(Note 1)
(Note 1)
(Note 1)
(Note 1)
4
2
1
3
b-1
a-5
b-3
a-4
b-1
a-2
a-4
a-5
a-1
a
a-6 b-4
b-2
a-3 a-1
: Shift position
Remark
b-2