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Canon NP-6020 Service Manual page 14

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C. Add Toner Indicator&
This indicator flashes when the amount
of toner in the black developing
assembly
has become low.
1.
:;
3)
4)
5)
3)
7)
8)
2,
ii)
12)
13)
Black developing
assembly
Open the front door.
Turn the developing
assembly
release
lever counterclockwise.
Pull the developing
assembly
forward
as far as possible.
Open the top cover of the developing
assembly.
Shake
the toner
cartridge
back
and
forth about 10 times.
Place
the
toner
cartridge
on the
developing
assembly.
While
holding
the toner
cartridge
in
place, remove the seal slowly to allow
the toner to flow out.
Figure l-14
Tap the top of the toner
cartridge
to
remove
any toner
remaining
in the
cartridge.
Carefully remove the toner cartridge.
Close the top cover of the developing
assembly.
Put the developing
assembly
back into
the copier.
Swing the developing
assembly release
lever clockwise.
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
agitating the CT Unit in its storage box.
The 'CT
:
unit is' a &sjras&fe'
type. Wheh
i
'
the color toner has be&n used up, toner ii.:
not a&fad to the dT.Unit;
rather, the entfr&
unit is replaced: ;,
,"
_,
^,
','(
_I,, ;I I ibi i
D. Control Card Indicator IEB
The control card indicator operates
on
a copier with a control card unit. It flashes in
the following cases:
4
b)
When-there
is no control
card in the
control card unit.
When
there
is a control
card in the
control card unit but the indication
on
the control card unit is 'P' or 'EE'.

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