Read Sharp AR-M550 (serv.man10) Service Manual online
AR-M550/M620 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 12
D. Motor
SRRBC
SRRBC
SPF resist roller brake
clutch
clutch
SPF resist roller braking
Electromagnetic
clutch
clutch
SRRC
SRRC
SPF resist roller clutch
SPF resist roller ON/OFF control
Electromagnetic
clutch
clutch
STMPS
STMPS
Stamp solenoid control
signal
signal
Stamp drive
Electromagnetic
solenoid
solenoid
STRBC
STRBC
SPF paper transport roller
2 brake clutch
2 brake clutch
SPF transport roller 2 braking
Electromagnetic
clutch
clutch
STRC
STRC
SPF paper transport roller
2 clutch
2 clutch
SPF transport roller 2 ON/OFF
control
control
Electromagnetic
clutch
clutch
STRRBC
STRRBC
SPF paper transport roller
3 brake clutch
3 brake clutch
SPF transport roller 3 braking
Electromagnetic
clutch
clutch
STRRC
STRRC
SPF paper transport roller
3 clutch
3 clutch
SPF transport roller 3 ON/OFF
control
control
Electromagnetic
clutch
clutch
T1PFC
T1PFC
Paper feed clutch (Paper
feed tray 1)
feed tray 1)
Paper freed tray 1 section roller
ON/OFF control
ON/OFF control
Electromagnetic
clutch
clutch
T1PUS
T1PUS
Paper pickup solenoid
(Paper feed tray 1)
(Paper feed tray 1)
Presses the paper pickup roller
onto paper.
onto paper.
Electromagnetic
solenoid
solenoid
T2PFC
T2PFC
Paper feed clutch (Paper
feed tray 2)
feed tray 2)
Paper freed tray 2 section roller
ON/OFF control
ON/OFF control
Electromagnetic
clutch
clutch
T2PUS
T2PUS
Paper pickup solenoid
(Paper feed tray 2)
(Paper feed tray 2)
Presses the paper pickup roller
onto paper.
onto paper.
Electromagnetic
solenoid
solenoid
Code
Signal
name
Name
Type
Function/Operation
Active
condition
MODEL
NOTE
ADM1
ADM1
Duplex (ADU) motor 1
Stepping motor
Drives the paper feed roller
2 and the paper transport
roller 18.
2 and the paper transport
roller 18.
High speed
ADM2
ADM2
Duplex (ADU) motor 2
Stepping motor
Drives the paper exit rollers
20 and 21.
20 and 21.
Selection of
Normal speed/
High speed
Normal speed/
High speed
DM
DM
OPC drum motor
DC brushless
motor
motor
Drives the OPC drum and
the transfer section.
the transfer section.
DVM
DVM
Developing motor
DC brushless
motor
motor
Drives the developing
section.
section.
Code
Signal
name
Name
Function/Operation
Type
MODEL
NOTE
SPFM
SLUM
SPSM
ADM1
ADM2
TURM
MM
M1LUM
M2LUM
T1LUM
T2LUM
DM
FUM
PGM
MIM
TM2
TM1
POM1
POM2
DVM
VPM
TRM
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