Canon imageRUNNER 1750 Series Service Manual page 33

2
Technical Explanation > Original Exposure and Feed System > Construction > Major Components
2) Sensor Layout
PS29 PS30
PS26
PS28
PS27
PS25
3) Drive Configuration
M12
M11
2 Technical Explanation > Original Exposure and Feed System > Construction > Major Components
PS32
PS31
F-2-6
F-2-7
Item Notation
Feed motor M11 Stepping motor: Feeds the original.
Delivery reversal motor M12 Stepping motor: Feeds, reverses, and delivers the
original.
Registration solenoid SL4 Transmits the driving force of the feed motor to the
registration roller.
Pickup solenoid SL5 Transmits the driving force of the delivery reversal
motor to the pickup roller and feed roller.
Flapper solenoid 2 SL6 Drives the delivery reversal flapper 2.
Flapper solenoid 1 SL7 Drives the delivery reversal flapper 1.
Roller release solenoid SL8 Separates the delivery reversal roller from the mating
delivery reversal roller during upstream reversal feed
of the original.
Lead sensor PS25 Photo interrupter: Detects the original read timing.
Registration sensor PS26 Photo interrupter: Detects the original leading edge
looping timing.
Stay sensor PS27 Photo interrupter: Detects the original reversal timing
during downstream reversal feed.
Reversal sensor PS28 Photo interrupter: Detects the original feed during
downstream reversal feed.
Timing sensor PS29 Photo interrupter: Detects feed of the original.
Original set sensor PS30 Photo interrupter: Detects presence/absence of the
original on the original pickup tray.
Original width detection PS31 Photo interrupter: Detects the width of the original on
sensor the original pickup tray.
Original length detection PS32 Photo interrupter: Detects the length of the original on
sensor the original pickup tray.
2-5
Specification/function
T-2-4
2-5