Technical information

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CONTENTS
P7
CHAPTER 9 CASSETTE FEEDING UNIT-W1
1 Outline ............................................9-1P
1.1 Specifications and
Construction .............................9-1P
1.2 Arrangement of Rollers ............ 9-2P
1.3 Arrangement of Motors,
Clutches, and Solenoids ...........9-3P
1.4 Arrangement of Sensors ...........9-4P
2 Detecting Jams ................................9-5P
2.1 Sequence of Jam Detection .......9-5P
2.1.1 Delay Jams .........................9-5P
2.1.2 Stationary Jams .................. 9-5P
2.1.3 Jam History ........................9-5P
3 Pickup Assembly ............................9-6P
3.1 Pickup Control System .............9-6P
3.2 Outline ......................................9-7P
3.3 Sequence of Operations
(pickup) ....................................9-7P
3.4 Operation of the Cassette
Lifter .........................................9-7P
3.5 Cassette Pickup Operation ........9-7P
3.6 Moving Up/Down the
Pickup Roller ............................9-7P
3.7 Detecting the Presence/Absence
of Paper Inside the Cassette ......9-7P
3.8 Pickup ReTry Operation ...........9-7P
3.9 Operation Other Than Cassette
Pickup (standby) ......................9-7P
3.10 Detecting the Level of Paper.... 9-7P
4 Identifying the Size of Paper..........9-8P
4.1 Identifying the Size ..................9-8P
4.2 AB/Inch-Setting Switch ...........9-8P
4.3 Paper Size .................................9-8P
5 Disassembly and Assembly ............9-9P
5.1 External Covers ...................... 9-10P
5.1.1 Removing the Pickup
Cover ...............................9-11P
5.2 Pickup Assembly ....................9-12P
5.2.1 Removing the Pickup
Assembly .........................9-12P
5.2.2 Removing the Pickup/Feeding/
Separation Roller ..............9-13P
5.2.3 Removing the Pickup
Soleroid ............................ 9-13P
5.2.4 Removing the Frame
Lid ....................................9-13P
5.2.5 Removing the Pickup
Motor ...............................9-13P
5.2.6 Removing the Vertical
Path Clutch ....................... 9-13P
5.2.7 Adjusting the Registration for
the Cassette Rear Front ....9-13P
5.3 PCBs ......................................9-14P
5.3.1 Removing the Cassette
Size Detection Unit ..........9-14P
5.3.2 Removing the Pedestal
Controller PCB ................9-15P
5.4 Drive Mechanisms .................9-16P
5.4.1 Removing the Main
Motor Drive Unit .............9-16P
5.4.2 Removing the Pedestal
Main Motor ......................9-16P
5.4.3 Mounting the Pedestal
Main Motor ......................9-17P
3.4.5 Orientation of the Deck
Pickup/Feeding Roller ......8-39P
3.4.6 Removing the Deck
Separation Roller ..............8-39P
3.4.7 Adjusting the Deck Separation
Roller Pressure .................8-40P
3.4.8 Position of the Deck Pickup
Roller Releasing Solenoid
(SL1D) .............................8-41P
3.5 Electrical Mechanisms ........... 8-42P
3.5.1 Removing the Deck
Drive PCB .......................8-42P
3.5.2 Removing the Open
Switch PCB .....................8-42P