During Printing - Canon LBP-2000 Service Manual

CHAPTER 2
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During Printing

Interval
From when the warm-up rotation
interval ends to when the /PRNT
signal arrives from the video
STBY
controller. Or, from when LSTR ends
(standby)
to when the /PRNT signal arrives
from the video controller or when the
power switch is turned off.
From when the /PRNT signal arrives
from the video controller to when the
INTR
(initial rotation) DC controller generates the /TOP
signal.
From when the primary DC bias
goes off to when the main motor
stops.
print
From when the primary DC bias
goes off to when the main motor
stops.
LSTR
(last rotation)
2 - 4
Table 2-1-2
Purpose
To control the fixing roller to
standby state, thereby keeping
the Printer ready for printing.
To make the sensitivity of the
photosensitive drum stable by
way of preparing for printing.
To form an image on the
photosensitive drum according
to the /VDO signal and VDO
signal from the video controller
and then to transfer the toner
image to paper.
To deliver the last sheet of paper.
In addition, to rid the drum surface
of potential and to clean the
transfer charging roller.
Remarks
The Printer enters the
initial rotation interval as
soon as the /PRNT
signal arrives from the
video controller.