Canon CP660 Service Manual page 391

Timing Chart 1 during PRINT (2/2)
A3,
Full-color,
1 Page,
Plain Paper
PRINT* signal
Sequence
STBY
21 Black developing bias (AC)
22
Black developing bias (DC)
23
Color developing bias (AC)
24 Color developing bias (DC)
25
Primary transfer (DC) bias (positive)
26
Primary transfer (DC) bias (negative)
27 Secondary pre-transfer bias (AC)
28 Secondary pre-transfer bias (DC)
29 Secondary transfer belt clutch (CL4)
30 Secondary transfer (DC) bias (positive)
31 Secondary transfer (DC) bias (negative)
32 ITD cleaning roller solenoid (SL1)
33 ITD cleaning (AC) bias
34 ITD cleaning (DC) bias (positive)
35 ITD cleaning (DC) bias (negative)
36
Separation static eliminating (AC) bias
37
Separation static eliminating (DC) bias
38 Fixing separation (DC) bias
:turns on/off according to environment/paper type.
A-4
Print sequence command
INTR
0.7 2.0
2.1 3.6 1.4
1.7 14.0
0.8
0.5 1.1
3.4 4.4
PRINT
1.0 0.4
3.2
0.6 0.4
3.5 1.1
3.6 3.6
1.6 2.8
1.6 2.8
0.2
0.5
1.2
1.5
1.5
1.2
0.9
LSTR
1.5
6.1
3.7
2.1
14.6
5.3 2.1 6.9
6.9
4.3
3.1
1.0
3.8 1.2
3.6 13.2
COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
(unit: sec)
STBY
2.5
3.5
3.5
3.5
2.4
2.4