Read Sharp AR-M550 (serv.man11) Service Manual online
AR-M550/M620 DETAILS OF EACH SECTION 6 - 7
Code
Signal
name
Name
Function/Operation
Type
Model
Note
MPED
MPED
Manual feed paper empty
detector
detector
Manual paper feed tray paper empty
detection
detection
Transmission type
Manual paper feed unit
MPFD1
MPFD1
Manual feed paper pass
detector 1
detector 1
Manual tray paper pass detection
Transmission type
Paper transport system
sensor
sensor
MPFPWS MPFPWS Manual feed paper width
detector
Manual feed paper width detection
Volume resistor
Analog detector
MPLD1
MPLD1
Manual feed paper length
detector 1
detector 1
Manual paper feed tray paper length
detection (Paper feed side)
detection (Paper feed side)
Transmission type
Manual paper feed unit
MPLD2
MPLD2
Manual feed paper length
detector 2
detector 2
Manual paper feed tray paper length
detection (Outside)
detection (Outside)
Transmission type
Manual paper feed unit
MTOP1
MTOP1
Manual tray pull-out position
detector 1
detector 1
Manual paper feed tray pull-out position
detection (Storing position)
detection (Storing position)
Contact type
Manual paper feed unit
MTOP2
MTOP2
Manual tray pull-out position
detector 2
detector 2
Manual paper feed tray pull-out position
detection (Pull-out position)
detection (Pull-out position)
Contact type
Manual paper feed unit
DSW-R
DSW-R
Manual feed unit open/close
detector
detector
Manual paper feed unit open/close
detection, main charger power/
developing bias power line open/close
detection, main charger power/
developing bias power line open/close
Micro switch
MPFC
MPFC
Paper feed clutch (Manual
paper feed)
paper feed)
Manual paper feed section paper feed
roller ON/OFF control
roller ON/OFF control
Electromagnetic
clutch
clutch
MFPUS
MFPUS
Paper pickup solenoid
(Manual paper feed)
(Manual paper feed)
Presses the paper pickup roller onto
paper.
paper.
Electromagnetic
solenoid
solenoid
MPFGS
MPFGS
Manual paper feed gate
solenoid
solenoid
Manual feed gate solenoid open/close
control
control
Electromagnetic
solenoid
solenoid
No.
Name
Function
1
Separation roller (Manual paper feed tray)
Separates paper to prevent against double feed.
2
Paper feed roller (Manual paper feed tray)
Feeds paper to the paper transport section.
3
Paper pickup roller (Manual paper feed tray)
Sends paper to the paper feed roller.
4
Torque limiter
A fixed level of resistance is applied to the paper separation roller to prevent against double
feed.
feed.
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