Canon NP6085 Service Manual page 85

Period
INTR From when the Copy
(initial rotation) Start key is pressed until
CNTR1 starts.
CNTR1 For about 5 sec from the
(control rotation 1) end of INTR.
CNTR2 For about 5 sec from the
(control rotation 2) end of CNTR1.
AER While the scanner moves
(AE rotation) forward about 120 mm and
returns to home position.
SCFW While the scanner is
(scanner forward) moving forward.
•.The distance over which
the scanner moves for-
ward varies according
to the copy paper size
and the selected repro-
duction ratio.
•.The speed at which the
scanner moves forward
varies depending on the
selected reproduction
ratio.
SCRV While the scanner is
(scanner reverse) moving in reverse.
LSTR From the end of SCRV
(last rotation) until the main motor stops.
COPYRIGHT © 1996 CANON INC.
Stabilizes the drum sensi-
tivity in preparation for
copying operation.
Controls the drum surface
potential V
Controls the drum surface
potential V
Measures the density of
the original while the scan-
ner is moving in reverse.
The scanning lamp illumi-
nates the original, and the
reflected optical image is
projected onto the photo-
sensitive drum through
mirrors and lenses.
The scanner is returned
to the home position in
preparation for the next
copy.
The surface of the drum is
cleaned
charges) as post copying
operation.
Table 3-104
CANON NP6085 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
Purpose
The lens is moved. If the
lens does not reach a spe-
cific position within a spe-
cific period of time, INTR
is continued until the lens
movement is completed.
The scanner motor is
. rotated in reverse before
D
potential control to ensure
that the scanner is at
home position.
Determines the develo-
. ping bias (DC component)
L
for copying according to
the measurement of V
Control is executed only
in AE mode.
•.The registration signal is
generated and the copy
paper is moved to the
transfer assembly.
•.The pick-up signal is
generated, and the sheet
of copy paper is picked
up.
(by removing Discharges the last copy.
Remarks
.
L2
3-27