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I
OPERATIONS
AND
TIMING!
VI.
SERVICE
MODE
A.
Outline
The
NP-1550's
service
mode
allows the
following:
•
checking
the operation
of
some
switches
and LEDs.
•
changing data
in
EEPROM
B.
Using
the Service
Mode
1)
Detach
the
VR
cover from
the
rear
of
the
left
cover.
2)
Check
that
the
COPY
START
key
is
glowing green.
3)
Press
the service switch
(SW300)
on
the
DC
controller
PCB.
4)
Check
that
'
CD
'
is
indicated.
5)
Enter the No.
of
the desired service
mode
using the
NUMERIC
keypad on
the
control panel.
•
For
example,
the display indicates
'
C3
'
in
response
to
a press
on
'3'.
6)
Press
the
SORT/GROUP
key.
7)
Operate
as
follows
as
necessary.
(Mode
No.
CO
,
CI
I
,
or
CIH
>
A
press
on
the
SORT/GROUP
key
executes
the selected
mode;
a
second
press stops the
execution.
<
Mode
No.
C
J
through
C6
and
C
IS
>
Change
the
setting
using the
NUMERIC
keypad, and press
the
SORT/GROUP
key;
the
setting
will
be
stored
in
EEPROM.
(Mode
No.
CJS
>
Press
the
AE
key
twice,
and check
'CEE'
is
indicated
on
the
control
panel;
then,
press the
SORT/GROUP
key.
8)
Press
the service switch
(SW300)
to
leave the
service
mode.
COPYRIGHT©
1992
CANONINC.
CANON
NW550
REV.1 SEPT. 1992
PRINTED
IN
JAPAN
(IHPRIUE
AU
JAPON)
3
-
41
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