Read Sharp AR-M550 (serv.man4) Service Manual online
: Feb. 6 2004
1
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 45
C. Maintenance and parts replacement
(1) Maintenance list
✕
: Check (Clean, replace, or adjust as necessary.)
❍
: Clean
▲
: Replace
∆
: Adjust
✩
: Lubricate
❏
: Shift position
Code
Signal
name
Name
Function/Operation
Type
Note
POD1
POD1
Paper exit detector 1
Paper exit detection from fusing
Transmission
type
type
Paper transport system sensor
POD2
POD2
Paper exit detector 2
Paper pass detection from paper exit
Transmission
type
type
Paper transport system sensor
POD3
POD3
Paper exit detector 3
Paper exit detection to upper section
paper exit tray (Full detection)
paper exit tray (Full detection)
Transmission
type
type
Paper transport system sensor
POM1
POM1
Paper exit motor 1
Drives the paper transport roller 16.
Stepping
motor
motor
Selection of Normal speed/
High speed
High speed
POM2
POM2
Paper exit motor 2
Drives the paper exit roller 1.
Stepping
motor
motor
Selection of Normal speed/
High speed/ Reverse rotation
High speed/ Reverse rotation
CFM-U1 CFM-U1
Fusing cooling fan motor 1
(Paper exit, duplex (ADU) section)
(Front surface)
(Paper exit, duplex (ADU) section)
(Front surface)
Discharges heat generated in the
fusing section.
fusing section.
DC brushless
motor
motor
PWM control
CFM-U3 CFM-U3
Fusing cooling fan motor 3
(Paper exit, duplex (ADU) section)
(Front surface)
(Paper exit, duplex (ADU) section)
(Front surface)
Discharges heat generated in the
fusing section.
fusing section.
DC brushless
motor
motor
PWM control
CFM-U4 PWM-RSV1 Fusing cooling fan motor 4
(Paper exit, duplex (ADU) section)
(Paper exit section rear side)
(Paper exit section rear side)
Cools paper which is discharged to
the inner tray.
the inner tray.
DC brushless
motor
motor
PWM control
INTPWB
Paper exit temperature sensor
Paper exit section temperature
detection
detection
No.
Name
Function
1
Transport roller 16
Transports paper from the fusing roller to the paper exit roller 1.
2
Paper exit roller 1
Discharges paper to the paper exit tray. / Switchbacks paper.
AR-M550U/N (PM: 250K)
When
calling
250K 500K 750K 1000K 1250K 1500K 1750K 2000K
Remark
AR-M620U/N, AR-M700U/N
(PM: 300k)
(PM: 300k)
300K 600K 900K 1200K 1500K 1800K 2100K 2400K
Unit name
No.
Part name
Paper exit
reverse section
reverse section
1
Transport rollers
✕
❍
❍
❍
❍
❍
❍
❍
❍
2
Transport paper guides
❍
❍
❍
❍
❍
❍
❍
❍
❍
3
Discharge brush
✕
✕
✕
✕
✕
✕
✕
✕
✕
4
Shaft (Conduction grease)
UKOG-0012QSZZ
1
1
1
1
2
3
1
4
4
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