HP LaserJet 1010 Service Manual - Page 61

Printer timing diagram

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Printer functions 49 ENWW Printer timing diagram Figure 4-8. Power Switch ON SEQUENCE WAIT 1 Fixing Heater (H701) About 0.25 100°C Control 2 Print Command 3 Scanner Motor 4 Scanner Ready About 0.45 Max. 122 5 Main Motor (M1) 6 Pick-up Solenoid (SL1) 7 Top of Paper Sensor (PS801) 8 Paper Delivery Sensor (PS803) 9 Primary Charging Bias (AC) About 0.99 10 Primary Charging Bias (DC) 11 Developing Bias (AC) 12 Developing Bias (DC) 13 Transfer Charging Bias 14 Laser Diode 15 LASER BEAM signal (BD) About Negative Bias Max. 1.5 0.2 1.7 1.8 1.0 16 17 18 19 20 STBY INTR About 0.1 Print Temperature Control PRINT Between-sheets Temperature Control About 1.1 About 1.1 About 1.1 About 0.1 Max. 3.0 About 3.0 0.04 About 0.2 About 0.7 About 1.5 About 0.2 About 0.7 About 1.5 About 0.6 0.65 About 1.5 LSTR About 0.5 0.2 Forced emission Max. 1.5 About 0.16 About 0.17 About 0.16 About 0.47 About 0.4 Print Bias About 0.08 About 0.47 About 0.08 About 0.02 About 0.17 About 0.4 Between-sheets Bias About 0.02 About 2.2 About 0.2 (Unit:Seconds) STBY

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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
STBY
WAIT
STBY
Fixing Heater (H701)
Print Command
Scanner Motor
Scanner Ready
Main Motor (M1)
Pick-up Solenoid (SL1)
Top of Paper Sensor
(PS801)
Paper Delivery Sensor (PS803)
Primary Charging Bias (AC)
Primary Charging Bias (DC)
Developing Bias (AC)
Developing Bias (DC)
Transfer Charging Bias
Laser Diode
LASER BEAM signal (BD)
INTR
PRINT
LSTR
About 1.1
About 1.1
About 1.1
About 0.5
About 0.47
About 0.16
About 0.17
About 0.16
About 0.17
About 0.4
About 0.4
About 2.2
About 0.08
About 0.02
About 0.02
About 1.5
About 0.7
About 0.7
About 1.5
About 3.0
About 0.1
About 0.25
About 0.45
About
0.65
About 0.6
About 0.2
About 0.2
About 1.5
About 0.1
About 0.99
Max. 122
About 0.08
About 0.47
Max. 1.5
1.8
Max. 1.5
About 0.2
1.7
1.0
0.04
0.2
0.2
Max. 3.0
Power Switch ON
SEQUENCE
100
°
C
Control
Print Temperature Control
Between-sheets Temperature Control
Negative Bias
Between-sheets Bias
Print Bias
Forced emission
(Unit:Seconds)
Figure 4-8.
Printer timing diagram
ENWW
Printer functions
49