Add Toner Indicator ( H - Canon NP2120 Service Manual

C. ADD TONER Indicator ( h )
The indicator goes ON when the black developing
assembly is running out of toner.
1. Black Developing Assembly
1) Open the front door.
Turn the black developing assembly lever
counterclockwise.
until it stops.
Open thetoplidofthe blackdeveloping assembly.
Shake the toner cartridge side to side about ten
times.
Placethetonercartridgeontheblackdeveloping
assembly.
Hold the toner cartridge, and pull the seal to the
front until a resistance is felt.
Figure 1-12
Tap the topofthetonercartridgeso that all toner
remaininginthecartridgefalls intothedeveloping
assembly.
Detach the toner cartridge with care.
10) Closethetoplidoftheblackdevelopingassembly.
11) Slide the black developing assembly into the
copier.
12) Turn the developing assembly release lever
clockwise.
13) Close the front door.
2. CT Unit (mono color developing unit)
If the image seems too light in parts of a mono color
colortoner; replace the unit if this happens. If the CT
problem may be corrected temporarily.
Note:
The CTunit isof adisposabletype;donot
toner. but use a new unit.
D. CONTROL CARD Indicator
The indicator flashes in response to the following
conditions while the control card is in the copier.
1 The control card is not properly inserted into the
control card unit.
The control card unit indicates 'P' or 'EE' even
2
when the control card is properly inserted into
the control card unit.
behind, the sorter is detached. or the right door is
NP2020
NP21 20
add