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GENERAL
DESCRIPTION
C.
ADD TONER
Indicator
i
This
indicator
flashes
when
the
amount
of
toner
in
the black
developing
assembly has
become
low.
1.
Black developing
assembly
1
)
Open
the
front
door.
2)
Turn
the
developing
assembly
release
lever
counterclockwise.
3)
Pull
the
developing
assembly
forward as
far
as
possible.
4)
Open
the top
cover
of
the
developing
assembly.
5)
Shake
the toner
cartridge
back and
forth
about
1
times.
6)
Place the
toner
cartridge
on
the develop-
ing
assembly.
7)
While
holding the toner cartridge
in
place,
remove
the seal slowly
to
allow
the toner
to
flow
out.
Figure 1-14
8)
Tap
the top
of
the toner cartridge
to
remove
any
toner remaining
in
the
car-
tridge.
9)
Carefully
remove
the toner
cartridge.
10)
Close
the top cover
of the
developing
assembly.
11)
Put the developing
assembly back
into
the
copier.
12)
Swing
the developing
assembly
release
lever
clockwise.
1
3)
Close
the
front
door.
2.
CT
Unit (color
developing
unit)
If
copy images
become
faint,
the color
toner
has probably
run
out.
In
this
case,
replace the
CT
unit.
The
copy image can
sometimes
be
temporarily restored by
placing the
CT
unit
in
its
storage
box and
agitating
it.
Note:
The
CT
unit is
a
discardable
type.
When
the color toner
has been used
up,
toner
is
not
added
to
the
CT
unit;
rather,
the
entire unit
is
replaced.
D.
CONTROL CARD
Indicators:
The
control
card
indicator
operates
on
a
copier with
a
control
card
unit.
It
flashes
in
the
following
cases.
a)
When
there
is
no
control
card
in
the
control
card
unit.
b)
When
there
is
a
control
card
in
the
control
card
unit
but the indication
on
the
control
card
unit
is
"P" or
"EE".
1
-12
COPYRIGHT©
1992
CANONINC.
CANON
NP-1550
REV.1
SEPT. 1992
PRINTED
IN
JAPAN
(IMPRIME
AU
JAP0N)
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