HP LaserJet Pro CP1525 Service Manual - Page 86

General timing charts,

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ENWW 68 Chapter 2 Solve problems Operation Print command STBY INTR 1 Fuser temperature control 2 Main motor (M701) 3 Pickup motor (M702) 4 Fuser motor (M703) 5 Scanner motor (M704) 6 Cassette pickup solenoid (SL705) 7 Developing disengagement solenoid (SL706) 8 Top of page sensor (SR602) 9 Fixing delivery sensor (SR609) 10 TOP OF PAGE signal (/TOP) 11 Primary charging bias 12 Developing bias (Y, M, C) 13 Developing bias (Bk) 14 Primary transfer bias (Y) 15 Primary transfer bias (M, C) 16 Primary transfer bias (Bk) 17 Secondary transfer bias 18 19 20 3.5 3.9 2.0 6.1 4.4 7.6 6.1 1.6 4.4 4.4 2.1 4.7 6.1 0.5 10.5 3.7 21.2 14.7 ATVC PRNT Print bias Between-sheets bias LSTR STBY General timing charts The following charts lists the approximate timing for this product, specified in seconds. Figure 2-2 Timing diagram

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General timing charts
The following charts lists the approximate timing for this product, specified in seconds.
Figure 2-2
Timing diagram
PRNT
STBY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
STBY
INTR
LSTR
Fuser temperature control
Main motor (M701)
Pickup motor (M702)
Fuser motor (M703)
Scanner motor (M704)
Cassette pickup
solenoid (SL705)
Developing disengagement
solenoid (SL706)
Top of page sensor (SR602)
Fixing delivery sensor (SR609)
TOP OF PAGE signal (/TOP)
Primary charging bias
Developing bias (Y, M, C)
Developing bias (Bk)
Primary transfer bias (Y)
Primary transfer bias (M, C)
Primary transfer bias (Bk)
Secondary transfer bias
3.5
4.4
2.0
6.1
7.6
1.6
2.1
0.5
3.9
21.2
4.7
10.5
6.1
7
.
4
1
7
.
3
6.1
4.4
4.4
Print bias
ATVC
Between-sheets bias
Print command
Operation
68
Chapter 2
Solve problems
ENWW