Controlling The Registration Roller Clutch - Canon GP405 Service Manual

G. Controlling the Registration Roller Clutch
The registration roller clutch (CL1) controls copy paper so that it matches the image on the
photosensitive drum at a specific position.
The registration roller turns on at such times as set in service mode (ADJUST>FEED-
ADJ>REGIST).
Mode
Single-sided original single-sided copy
Single-sided original
Double-sided copy
Double-sided origina
Double-sided copy
Double-sided original
Singe-sided copy
Paper separation
(single-sided)
Page separation
Double-sided copy
Signal-sided original
Overlay copy
Double-sided original
Overlay copy
Page separation
Overlay copy
Coy paper
Drum
A
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Copy paper
B
Copying on
A
1st side
Copying on
B
2nd side
Copying on
A
1st side
Copying on
B
2nd side
Copying on
B
1st side
Copying on
B
2nd side
Copying on
B
1st side (left)
Copying on
B
2nd side (right)
Copying on
A
1st side (left)
Copying on
B
2nd side (right)
Copying on
B
1st side
Copying on
B
2nd side
Copying on
B
1st side
Copying on
B
2nd side
Copying on
B
1st side (left)
Copying on
B
2nd side (right)
Image area when
copying on 1st side
Image on the drum
Paper ahead
of the image
Figure 7-128
CHAPTER 7 PICK-UP/FEEDING SYSTEM
Shift (mm) Copy paper on copy tray
0 to 20 mm;
the diagrams
assumes 5 mm.
Image area when
copying on 2nd side
Drum
B
D 5
D 5
5 or
0
D 5
5
D 5
D 5 or
0
D 5
D 5
D 5
5
D 5
D 5
D 5
Area D: Erased by blank
exposure lamp
Image on the drum
Paper behind
the image on the drum
7-27