Read Sharp MX-1800N (serv.man25) Service Manual online
MX-1800N TRAY PAPER FEED SECTION E – 2
Signal name
Name
Function/Operation
CLUD1
Tray 1 upper limit detection (Lift HP detection)
Tray 1 upper limit detection
CLUD2
Tray 2 upper limit detection (Lift HP detection)
Tray 2 upper limit detection
CLUM1
Paper tray lift-up motor (Paper feed tray 1)
Drives the paper tray lift plate.
CLUM2
Paper tray lift-up motor (Paper feed tray 2)
Drives the paper tray lift plate.
CPED 1
Tray 1 paper empty detection
Tray 1 paper empty detection
CPED 2
Tray 2 paper empty detection
Tray 2 paper empty detection
CPFC
Tray vertical transport clutch
CPFD1
Tray 1 transport detection (Paper entry detection)
Tray 1 paper pass detection
CPFD2
Tray 2 transport detection (Paper entry detection)
Tray2 paper pass detection
CPFM
Paper feed motor
Paper feed section drive
CPUC1
Paper feed clutch (Paper feed tray 1)
Controls the paper feed tray section roller ON/OFF.
CPUC2
Paper feed clutch (Paper feed tray 2)
Controls the paper feed tray section roller ON/OFF.
CSPD1
Tray 1 paper remaining quantity detection
Tray 1 paper remaining quantity detection
CSPD2
Tray 2 paper remaining quantity detection
Tray 2 paper remaining quantity detection
CSS1
Tray 1 presence detection
Detects the presence of the tray 1
CSS2
Tray 2 presence detection
Detects the presence of the tray 2
DSW_C
Tray 1, 2 transfer cover open/close detection
Detects opening of the tray 1, 2 transport cover.
No.
Name
Function/Operation
1
Paper feed roller (No.1 paper feed tray)
Feeds paper to the paper transport section.
2
Paper pickup roller (No. 1 paper feed tray)
Feeds paper to the paper feed roller.
3
Separation roller (No. 1 paper feed tray)
Separates paper to prevent Double Feed.
4
Torque limiter
A certain level of resistance force is supplied to the rotation of the separation
roller to prevent double feed.
roller to prevent double feed.
5
Paper feed roller (No. 1 paper feed tray)
Feeds paper to the paper transport section.
6
Paper pickup roller (No. 2 paper feed tray)
Feeds paper to the paper feed roller.
7
Separation roller (No. 2 paper feed tray)
Separates paper to prevent Double Feed.
8
Transport roller 4 (Drive)
Transports the paper transported from the transport roller 1 and paper feed roller
(No. 2 paper feed tray) to the transport roller 7.
(No. 2 paper feed tray) to the transport roller 7.
9
Transport roller 5 (Drive)
Transports the paper fed from the paper tray 1 to the transport roller 7.
10
Transport roller 7 (Drive)
Transports the paper fed from the paper feed tray 1, 2 or 3, 4 to the transport
roller 8.
roller 8.
11
Rotation plate
Lifts up the paper to keep the paper feed position.
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