Sharp AR-BC260 Service Manual page 67

b. Paper tray lift unit
No. Name
1 Paper tray lift unit
2 Paper size detection actuator
3 Paper tray lift unit control PWB
4 Lift motor
5 Paper size detector (switch)
c. Paper feed unit
No. Name
1 Paper tray paper feed unit
2A Paper empty detector
2B Paper upper limit detector
3 Paper pickup roller
4 Paper feed clutch
5 Paper feed roller
6 Separation roller
3
2
1
Code, Signal name
— Drives the paper tray lift plate.
— Transmits the status data of the paper size block to the paper size detector.
— Controls the paper tray lift unit.
LUMx Drives the lift plate.
CxSSx Detects the paper size set by the paper size set block.
Code, Signal name
— Feeds paper from the paper tray to the transport section.
PEDx Detects paper empty in the paper tray.
LUDx Detects the paper upper limit position. (Keeps the friction between the
paper pickup roller and paper at a constant level.)
— Feeds paper to the paper feed roller.
CPFCx Controls ON/OFF of the paper feed roller.
— Feeds paper to the paper transport section.
— Separates paper to prevent against double feed.
AR-BC260 DESCRIPTIONS OF EACH SECTION 7 - 30
4
Function
2B
5
3
2A
6
Function
5
1
4