Canon CLBR 460ps Service Manual page 354

Timing chart for printing the 2nd page of A4-size paper (Full-color duplex mode) - 2/2
/PRNT signal
Sequence STBY
21 Registration clutch (CL1)
22
23
24
25 Secondary transfer ATVC
26
27 ITB cleaning (AC) bias
28 ITB cleaning (DC) bias (positive)
29 ITB cleaning (DC) bias (negative)
30 Fixing separation DC high-voltage
31 ITB unit contact clutch (CL2)
A - 18
Print sequence command
INTR
HP1 HP2
2.3 3.88
0.5
2.3
0.5 4.00
2.48
4.00
2.48
4.00
0.2 0.5
PRNT
HP3 HP4
3.63
0.5 3.69
4.04
4.11
4.04
0.5
3.65
4.07
4.07
LSTR
HP5 HP6
1.15
0.5 3.88 0.5
6.69
7.76 Between-page bias
4.29
Rough adjustment Fine adjustment
0.5 4.00 0.5
4.00
4.00
4.95 2.78
1.76 0.5
(Unit: second)
STBY
HP7