Basic Configuration; Functional Configuration; Overview Of Electrical Circuitry - Canon Unit-L1 Service Manual

Basic Configuration

Functional Configuration

This equipment is organized into 3 major blocks: Inlet Unit, Fold Unit and Fold-enhancing Unit.

Overview of Electrical Circuitry

This machine's sequence of the operation is controlled by the Paper Folding Unit Controller PCB.
Main control/functions of the Paper Folding Unit Controller PCB
• Communicates to the Finisher.
• The CPU on the Paper Folding Unit Controller PCB contains a ROM for storing the operating sequence program.
• The Paper Folding Unit Controller PCB receives various commands through the communication cable from the Finisher to
drive the motors
• It also sends sensor and switch information to the Finisher through the communication cable.
<Related service mode>
• Display of Paper Folding Unit ROM version:
COPIER > DISPLAY > VERSION > FOLD
• Controller PCB backup data write:
SORTER > FUNCTION > FLD-BK-W
• Controller PCB backup data read:
SORTER > FUNCTION > FLD-BK-R
Fold-enhancing Unit
Finisher
Fold Unit
Paper Folding Unit
Controller PCB
CPU
12
2. Technical Explanation
Inlet Unit
Motor
Switch
Sensor