Technical information
Inputs
to
DC
Controller
(4/4)
Adjusting
PCB
f-------------1
DCcontroller
PCS
1551
5312
-12
5v
1
r
I
l-2
-11
1
VR5: adjusts image leading edge
I
registration
(turn
clockwise to
delay
l
registration
clutch
ON
timing for
I
j
larger
margin).
1-3
-10
-a
I
VR3: adjusts image leading edge
non-
I
fmage wfdth
(turn
clockwise to
I
delay
grid
bias
ON
timing for larger
I
non-image width).
1-4
-9
<
I
VR4: adjusts page
separation
2nd page
I
i
leading edge non-fmage width
(tun
I
clockwise
to
delay
glrd
bias
ON
I
timing for larger non-image width).
I
VR2: adjusts
AE
slope
(in
service
mode).
VRl:
adjusts
AE
referente
point
(in
service
mode).
SWl:
service
switch
RI
:
wl?en
cut,
AE
removed from
standard mode.
R2: when
cut.
document
size
identiflcation
disabled.
R3: when
cut,
auto
clear
disabled.
For
details
on
adjustment for
each
VR,
see
the SERVICE HANDBOOK.
Figure 3-6
COPYRIGNT
0
1992 CAHON IHC.
CANON NPZf20/2MO REY.0
MAY
1990 PAINTEO IN
JAPAN
IIMPAIME
AU
JAPON)
3-7