Canon LBP-2000 Service Manual download pdf (Page 43)

CHAPTER 2

2 - 4

• During Printing

Table 2-1-2

Purpose Remarks

STBY

(standby)

From when the primary DC bias

goes off to when the main motor

stops.

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.

LSTR

(last rotation)

From when the primary DC bias

goes off to when the main motor

stops.

To deliver the last sheet of paper.

In addition, to rid the drum surface

of potential and to clean the

transfer charging roller.

INTR

(initial rotation)

From when the /PRNT signal arrives

from the video controller to when the

DC controller generates the /TOP

signal.

From when the warm-up rotation

interval ends to when the /PRNT

signal arrives from the video

controller. Or, from when LSTR ends

to when the /PRNT signal arrives

from the video controller or when the

power switch is turned off.

Interval

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.

The Printer enters the

initial rotation interval as

soon as the /PRNT

signal arrives from the

video controller.

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Canon LBP-2000 Service Manual Page 43

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