Canon 1120 Service Manual page 12

5. Sequence of Operations
(pickup from the
cassette)........................ 7-14
D. Pickup from the
Multifeeder .......................... 7-15
1. Operations..................... 7-15
2. Detecting the Size of
Paper ............................. 7-16
3. Movement of the Lifter .. 7-17
4. Sequence of
Operations..................... 7-18
E. Picking Up
Transparencies .................... 7-19
III. DUPLEXING UNIT
(CLC1150 ONLY) ..................... 7-21
A. Outline ................................. 7-21
1. Basic Construction ........ 7-21
2. Arrangement of Rollers
and Sensors .................. 7-23
B. Stacking Paper .................... 7-24
C. Movement of the Paper
Jogging Guide Plate ........... 7-25
1. Operations..................... 7-25
D. Sequence of Operations
(1st side of a
double-sided copy) .............. 7-27
E. Re-Pickup from the
Duplexing Unit ..................... 7-28
1. Operations..................... 7-28
2. Sequence of
Operations..................... 7-29
IV. CONTROLLING THE
REGISTRATION/ATTRACTION
MECHANISM ........................... 7-30
A. Outline ................................. 7-30
B. Locking and Unlocking the
Registration Roller .............. 7-31
C. Controlling the Attraction
Mechanism .......................... 7-32
D. Sequence of Operations
(registration/attraction) ........ 7-33
V. TRANSFER DRUM .................. 7-34
A. Outline ................................. 7-34
B. Controlling the Locking
Cam Inside the Transfer
Drum ................................... 7-36
C. Controlling Separation ........ 7-39
1. Outline ........................... 7-39
2. Separating Paper .......... 7-40
D. Cleaning the Separation
Drum Sheet ......................... 7-41
1. Outline ........................... 7-41
2. External Brush .............. 7-42
3. Polishing Roller ............. 7-42
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COPYRIGHT © 1999 CANON INC.
E. Sequence of Operations
(transfer drum) .................... 7-44
VI. DETECTING JAMS .................. 7-45
A. Outline ................................. 7-45
B. Sequence of Operations
(jam detection) .................... 7-47
VII. DISASSEMBLY/ASSEMBLY
(PICK-UP ASSEMBLY) ............ 7-48
A. Pickup Assembly ................. 7-49
1. Construction .................. 7-49
2. Removing the Cassette
3. Removing the Pickup
4. Removing the Cassette
5. Adjusting the Pressure of
6. Position of the Cassette
7. Adjusting the Left/Right
8. Removing the Duplexing
9. Removing the Duplex
10. Removing the Duplexing
B. Multifeeder .......................... 7-60
1. Removing the Multifeeder
2. Removing the Pickup
3. Left/Right Registration .. 7-63
4. Attaching the Timing Belt
5. Position of the Multifeeder
C. Duplexing unit ..................... 7-64
1. Removing the
2. Removing the Feed
3. Remove the Duplexing
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Pickup Assembly/
Duplexing Pickup
Assembly ....................... 7-49
Roller ............................. 7-51
Pickup Assembly Feed Roller/
Separation
Roller ............................. 7-51
the Separation Roller .... 7-53
Pickup Assembly and
Pickup Roller Solenoid
(SL7, SL8, SL9) ............ 7-55
Registration of the
Cassette ........................ 7-55
Unit Feed Roller ............ 7-56
Unit Separation Roller ... 7-56
Unit Pickup Roller ......... 7-57
Assembly ....................... 7-60
Roller, Feed Roller, and
Separation Roller .......... 7-60
for the Multifeeder
Assembly ....................... 7-63
Pickup Solenoid ............ 7-63
Duplexing ...................... 7-64
Roller ............................. 7-64
Feed Assembly ............. 7-65