Canon imageRUNNER C1335 Series Service Manual page 35

2
Technical Explanation > Original Exposure and Feed System > Construction > Major Components
■ Major Components
● Reader Unit
Following shows major components of reader unit.
Contact Image Sensor (CIS)
Drive Pulley
Reader Motor (M01)
CIS HP Sensor (PS01)
Item Notation
Reader motor M01 Pulse Motor: controls the carriage drive.
Drive Pulley, Drive Belt - Controls the carriage drive.
CIS HP sensor PS01 Photo interrupter: detects the home position of CIS unit.
Contact image sensor CIS Reads the original.
(LED + Light guide + Original reading sensor array unit)
2 Technical Explanation > Original Exposure and Feed System > Construction > Major Components
Drive Pulley
Drive Belt
F-2-2
Specification/function
T-2-2
● ADF unit
Following shows major components of ADF unit.
1) Layout Drawing of Major Parts
Separation Pad
Separation Roller Pickup Roller
Feed Roller Platen Guide Delivery Roller
Item
Pickup roller Picks up the original.
Separation Roller Separates and feeds the original.
Separation pad Separates the original.
Feed roller Feeds the original.
Delivery Roller Delivers and reverse feeds the originals.
Original delivery tray Stacks the delivered originals.
ADF Base Stacks the delivered originals.
Platen guide Reading Assembly for originals.
2-4
Original Tray
ADF Base
F-2-3
Specification/function
T-2-3
2-4