Read Sharp MX-LC16 Service Manual online
MX-LC16 OPERATIONAL DESCRIPTIONS 4 – 1
MX-LC16
Service Manual
[4] OPERATIONAL DESCRIPTIONS
1. Electrical and mechanical main parts
Signal
name
Name
Type
Function/operation
DOWN
SW PWB
SW PWB
Lowering SW PWB unit
Transmission type
The tray state is displayed with LED.
LCSW
Tray close detection switch
Micro switch
The tray insertion is detected.
LDD
Lower limit detector
Transmission type
The lower limit of the tray is detected.
LDSW
Upper open/close switch
Micro switch
Detects open/close of the upper door.
LFAN
Separation assist fan
Assist feeding of paper
LLM
Lift motor
Brush motor
Lifts or lowers the paper feed table.
LLSW
Upper limit switch
Micro switch
Protects the paper feed unit from breakage due to lifting the tray too much.
LPED
Paper empty detector
Reflection type
Detects paper presence/empty on the paper tray.
LPFC
Paper feed clutch
Electromagnetic clutch
Controls ON/OFF of the paper feed roller.
LPFD
Paper pass detector
Reflection type
Detects paper transport.
LPFM
Paper feed motor
Brushless motor
Drives the paper feed, and the paper transport section.
LPFS
Paper feed solenoid
Electromagnetic solenoid
Presses the paper pickup roller onto paper.
LPUD
Paper upper surface sensor
Reflection type
Detects paper surface position
LRE
Lift motor rotaly encoder sensor
Transmission type
The lift motor rotation is detected.
LTLD
Tray lock sensor
Electromagnetic solenoid
Detects the tray lock
LTLS
Tray lock solenoid
Electromagnetic solenoid
Controls ON/OFF of the tray lock
LTOD
The main unit connection sensor
Transmission type
Detects connection to the main unit
LTRC
Transport clutch
Electromagnetic clutch
Controls ON/OFF of the transport roller.
LUD
Upper limit sensor
Transmission type
Detects the paper upper limit position.
LWRSW
Reverse winding detection switch
Micro switch
Detects lift motor reverse winding
No.
Name
Function/operation
1
Paper pickup roller
Feeds paper to the paper feed roller.
2
Paper feed roller
Feeds paper to the paper transport section.
3
Transport roller (Drive)
Transports paper from the paper feed roller to the main unit.
4
Transport roller (Idle)
Applies a pressure to paper and the transport roller to provide a transport power of the transport roller to
paper.
paper.
5
Separation roller
Separates paper to prevent double feed.
DOWN SW PWB
LWRSW
LRE
LCSW
LDD
LTLD
LPFD
LTOD
LDSW
LLSW
LUD
LPED
LPUD
LFAN
LFAN
LPFM
LTRC
LPFC
LPFS
LLM
LTLS
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