Canon CP660 Service Manual page 66

CHAPTER 2 BASIC OPERATION
Period
INTR (initial
rotation)
PRINT (print)
LSTR
Reference:
For the sequence used to make prints when the reader unit is installed, see the
Reader Unit Service Manual.
2-18
COPYRIGHT © 1999 CANON INC.
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From when the
PRNT* signal arrives
from the printer board
to when the Bk toner
cartridge is ready for
development and the
cartridge motor stops.
From when initial rota-
tion ends to when
paper reaches the
registration roller after
the end of primary
transfer.
From when the regis-
tration roller starts to
rotate to when paper
is picked up once
again and the main
motor stops.
Table 2-102
Purpose
To stabilize the sensi-
tivity of the photosen-
sitive drum in prepa-
ration for printing.
Also, to prepare for
development by toner
cartridges.
To form an image on
the photosensitive
drum based on
VDO*0 through 7 from
the video controller;
then, to turn it into a
visible image with
toner and to transfer it
onto the intermediate
transfer drum.
To fully discharge the
paper after secondary
transfer and fixing.
Also, to execute ITD
cleaning.
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Remarks
ITD cleaning is exe-
cuted for each print.
(Cleaning is execut-
ed also during
PRINT in continuous
printing mode.)