Canon LBP-2000 Service Manual page 44

• Basic Sequence of Operation During Printing (from printer cassette, A4)
/PRNT
Main motor (M101)
Scanner motor
(M102)
/SCNRDY
Pickup clutch
(CL101)
Registration paper
sensor (PI101)
Registration clutch
(CL102)
/TOP signal
Delivery sensor
(PI103)
Primary charging
(AC)
Primary charging
(DC)
Laser diode
Developing bias
(AC)
Developing bias
(DC)
Transfer high voltage
Fixing heater (H101)
/PRNT input
INTR
STBY
0.15
4.5 (approx.)
0.46
0.5
0.46
0.76
Figure 2-1-3
PRINT
0.06 (may be adjusted)
0.03
0.17 (approx.)
0.07
CHAPTER 2
(unit: sec)
LSTR STBY
0.1
1.03 (approx.)
Negative bias
2 - 5