Canon Inner Finisher-A1 User manual

654321
Inner Finisher-A1
Inner Finisher Additional Tray-A1
Service Manual

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Application
This manual has been issued by Canon Inc. for qualied persons to learn technical theory,
installation, maintenance, and repair of products. This manual covers all localities where the
products are sold. For this reason, there may be information in this manual that does not
apply to your locality.
Corrections
This manual may contain technical inaccuracies or typographical errors due to improvements
or changes in products. When changes occur in applicable products or in the contents of this
manual, Canon will release technical information as the need arises. In the event of major
changes in the contents of this manual over a long or short period, Canon will issue a new
edition of this manual.
The following paragraph does not apply to any countries where such provisions are
inconsistent with local law.
Trademarks
The product names and company names used in this manual are the registered trademarks
of the individual companies.
Copyright
This manual is copyrighted with all rights reserved. Under the copyright laws, this manual may
not be copied, reproduced or translated into another language, in whole or in part, without the
written consent of Canon Inc.
(C) CANON INC. 2009
Caution
Use of this manual should be strictly supervised to avoid disclosure of condential
information.

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Explanation of Symbols
The following symbols are used throughout this Service Manual.
Symbols Explanation Symbols Explanation
Check. Remove the claw.
Check visually. Insert the claw.
Check the noise. Use the bundled part.
Disconnect the connector. Push the part.
Connect the connector. Plug the power cable.
Remove the cable/wire
from the cable guide or wire
saddle.
Turn on the power.
Set the cable/wire to the
cable guide or wire saddle.
Remove the screw.
Tighten the screw.
The following rules apply throughout this Service Manual:
1. Each chapter contains sections explaining the purpose of specic functions and the
relationship between electrical and mechanical systems with reference to the timing of
operation.
In the diagrams, represents the path of mechanical drive; where a signal name
accompanies the symbol, the arrow indicates the direction of the electric
signal.
The expression "turn on the power" means ipping on the power switch, closing the
front door, and closing the delivery unit door, which results in supplying the machine with
power.
2. In the digital circuits, '1' is used to indicate that the voltage level of a given signal is
"High", while '0' is used to indicate "Low". (The voltage value, however, differs from
circuit to circuit.) In addition, the asterisk (*) as in "DRMD*" indicates that the DRMD
signal goes on when '0'.
In practically all cases, the internal mechanisms of a microprocessor cannot be checked
in the eld. Therefore, the operations of the microprocessors used in the machines
are not discussed: they are explained in terms of from sensors to the input of the DC
controller PCB and from the output of the DC controller PCB to the loads.
The descriptions in this Service Manual are subject to change without notice for product
improvement or other purposes, and major changes will be communicated in the form of
Service Information bulletins.
All service persons are expected to have a good understanding of the contents of this Service
Manual and all relevant Service Information bulletins and be able to identify and isolate faults
in the machine.

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Contents
0Safety Precautions
Notes Before it Works Serving---------------------------------------------0-2
1Produt Outline
Features -------------------------------------------------------------------------1-2
Specications ------------------------------------------------------------------1-3
Names of Parts ----------------------------------------------------------------1-4
External View 1--------------------------------------------------------------------- 1-4
External View 2--------------------------------------------------------------------- 1-4
External View 3--------------------------------------------------------------------- 1-5
Cross Section ----------------------------------------------------------------------- 1-5
2Technology
Basic Conguration-----------------------------------------------------------2-2
Outline of basic operation-------------------------------------------------------- 2-2
Non-sort operation-------------------------------------------------------------------------- 2-2
Offset operation ----------------------------------------------------------------------------- 2-2
Stapling operation -------------------------------------------------------------------------- 2-3
Servicing Work-----------------------------------------------------------------2-5
Scheduled Servicing -------------------------------------------------------------- 2-5
Customer maintenance----------------------------------------------------------- 2-5
Cleaning the offset roller------------------------------------------------------------------ 2-5
Version Upgrade ------------------------------------------------------------------- 2-5
3Periodic Servicing
Periodic Service Works------------------------------------------------------3-2
4Parts Replacement and Cleaning Procedure
List of Parts ---------------------------------------------------------------------4-2
Motors/Switches/Solenoids------------------------------------------------------ 4-2
Sensors1 ----------------------------------------------------------------------------- 4-2
Sensors2 ----------------------------------------------------------------------------- 4-3
PCBs ---------------------------------------------------------------------------------- 4-3
Main Units-----------------------------------------------------------------------4-4
Removing the Upper Unit-------------------------------------------------------- 4-4
Removing the Gripper Unit ------------------------------------------------------ 4-7
Consumable Parts Requiring Periodic Replacement and Cleaning
Points ----------------------------------------------------------------------------4-8
Removing the Stapler Unit------------------------------------------------------- 4-8
Removing the Offset Roller------------------------------------------------------ 4-9
Removing the Shutter Unit -----------------------------------------------------4-10
Removing the Paper retainer (front/rear) ----------------------------------- 4-11
Removing the Solenoid---------------------------------------------------- 4-13
Removing the Paper Lever Drive Solenoid---------------------------------4-13
Removing the Staple Solenoid ------------------------------------------------4-15
Removing the Motors ------------------------------------------------------ 4-18
Removing the Shift Roller Release Motor ----------------------------------4-18
Removing the Shift Motor-------------------------------------------------------4-19
Removing the Feed Motor ------------------------------------------------------4-21
Removing the Gripper Open/Close Motor ----------------------------------4-22
Removing the STP Move Motor/Gripper Unit Move Motor -------------4-22
Removing the Entrance Roller Release /Stopper HP Motor -----------4-25
Removing the Additional Tray Lift Motor ------------------------------------4-26
Removing the Tray Lift Motor --------------------------------------------------4-27
Removing the Switches --------------------------------------------------- 4-30
Removing the Front Cover Switch--------------------------------------------4-30
Removing the Staple Safety Switch------------------------------------------4-31
Removing the PCB --------------------------------------------------------- 4-34
Removing the Additional Tray PCB-------------------------------------------4-34
Removing the Finisher Controller PCB--------------------------------------4-35
Removing the Flexible Cable Broadcast PCB-----------------------------4-37
Others-------------------------------------------------------------------------- 4-38
Stapler Cradle Installation Procedure----------------------------------------4-38
5Installation(Inner Finisher-A1)
Making Pre-installation Checks--------------------------------------------5-2