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I
MAINTENANCE
AND
SERVICING
I
III.
BASIC
PROCEDURE FOR
PERIODIC SERVICING
i.
Perform
periodic servicing
after
every*
1&;M0«G$fiifl*<^*>9atanl
wto.
ii.
Before
making a
service
call,
check
the
service log
ancftake along
any replacement
parte
that
are
likely
to
be
needed.
No.
Procedure
Check
Remarks
1
Note
the operator's
comments.
Conditions
of
copier
2
Record
the counter reading
Number
of
miscopies
3
Make DIRECT
and two-page
overlay
test
copies.
a.
Image
density
b.
Dirty
background
c.
Clarity of letters
d.
Leading
edge
blank area
e.
Left
and
right
margins
f.
Fixing,
synchronizing,
and
soiling of
back
g.
Unusual
noise
h.
Operation
of
counter
Standard: 2.0±1
.5mm
(DIRECT)
Standard:
10.0±2.0mm
(DIRECT),
front
side
4
Clean
the
corona
assemblies.
Wipe
dry using
lint-free
pa-
per
then clean using
alcohol.
5
Clean
separation feeder
assemblies.
6
Clean
fixing
and
delivery
assemblies.
•
Paper
guide
plate
•
Separation claws (upper
and
lower)
Alcohol
7
Perform
the periodic
servic-
ing
appropriate
to
the
num-
ber
of
copies (see
page
6-4).
8
Clean
the
copyboard
cover
and
the
copyboard
glass.
9
Check
the
amount
of
waste
toner.
10
Make
test
copies.
11
Make
sample
copies.
12
Select
sample
copies
to
keep
for
the
customer
record.
Clean up around
the
copier.
13
Record
the
final
counter
value.
14
Fill
in
the service
sheet
and
check
out
with
the
person
in
charge.
COPYRIGHT©
1992
CANON
INC.
CANON
NP-1S50
REV.1
SEPT. 1992
PHINTED
IN
JAPAN (IMPRIMEAUJAPON)
6-3
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