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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 De-
tection Unit ......................9-14P
5.3.2 Removing the Pedestal Control-
ler 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