Canon Inner Finisher-L1, Service Manual

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8. After the paper stack has been delivered, the paper retainer holds down the stack in the delivery tray.
Paper Retainer
Initialization
The finisher performs the following initialization operation depending on the status.
Status Operation
At power ON If the target sensors*1 are aware of the home positions, initialization is not performed.
Only before starting a job, the stack tray paper height sensor (PS9) detects the paper height.
When recovering from sleep mode
At the start of a job
At the end of a job
After the cover is closed
Initialization is performed regardless of the sensor status. If at the home position, initialization is
performed by moving the sensor away from the home position.
*1: Target sensors
Symbol Parts Name Symbol Parts Name
PS2 Paddle HP Sensor PS8 Paper Hold HP Sensor
PS3 Return Belt HP Sensor PS9 Stack Tray Paper Height Sensor
PS4 Front Alignment Plate HP Sensor PS11 Stapler Shift HP Sensor
PS5 Rear Alignment Plate HP Sensor PS14 Stack Tray HP Sensor
PS7 Assist HP Sensor PS15 Clinch HP Sensor
2. Technical Explanation
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