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I
OPERATIONS
AND
TIMING!
2.
AE
adjustment
Make
the
following
adjustments
when
the
AE
sensor
or
the
DC
controller
PCB
has
been
replaced.
1)
Remove
the potentiometer
cover
at
the
back
of
the
left
cover.
2)
Set
the
power
switch
ON.
•
Wait
until
the
WAIT
period
has ended.
3)
Place an
NB-3
or
NA-2
test
sheet
on
the
copyboard,
and
lower the
copyboard
cover.
4)
Press
switch
SW
300 on
the
DC
controller
PCB.
•
"
CD
"
will
appear on
the
COPY
COUNT/
RATIO
indicator
on
the
control panel.
•
If
"
CD
"
does
not
appear, press the
"0"
number
key
on
the
control
panel so
that
"
CD
"
appears.
5)
Press
the
SORT/GROUP
key
on
the
control
panel.
•
The
scanner
will
move
forward
to
the
AE
measuring
position,
then
the
scanning
lamp
will
go
ON.
(Note)
6)
Adjust
VR301
on
the
DC
controller
so
that
"22"
appears on
the
COPY
COUNT/RATIO
indicator.
For
reference:
£
7.7+
8)
Remove
the
test
sheet,
place
a sheet
of
newspaper
on
the
copyboard,
and
lower
the:copyboard
cover.
9)
Press
the
SORT/GROUP;
key.
•
The
copier
will
perform
the
same
opera-
tions
as described
in
step
5).
10)
Make
a
note
of
the numerical value
dis-
played on the
COPY
COUNT/RATIO
indicator.
11)
Press the
SORT/GROUP
key.
•
"
CO
"
will
appear on
the
COPY
COUNT/
RATIO
indicator.
12)
Press
the
"1"
number
key.
"
CJ
"
will
appear on
the
COPY
COUNT/
RATIO
indicator.
13)
Enter the value recorded
in
step
10)
using the
NUMERIC
keypad.
7.7'
o
r~
'
/'
/
1
/
'
If
-+-
Document
density
Test sheet
Sheet
of
newspaper
|=>
:
when
the
setting
is
lowered.
^
:
when
the
setting
is
raised.
Figure 3-49
1
1
Test sheet
Sheet
of
newspaper
•
Document
density
Figure 3-48
7)
Press
the
SORT/GROUP
key.
•
The
scanning
lamp
will
go OFF, and
the
scanner
will
return
to
the
HOME
posi-
tion.
3-46
COPYRIGHT©
1992
CANON
IMC.
CANON
NP-1550
REV.1
SEPT.
1992
PRINTED
IN
JAPAN
(IMPRIME
AU
JAPON)
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