Canon LBP 2900 2900i User's Guide

Replacing the Toner Cartridge5-8
Routine Maintenance
5
•Never touch any of the high voltage parts inside the top cover. Doing so may damage the 
printer.
1Open the top cover.
Grasp the groove on the right side of the top cover and open the cover until it 
stops.
High Voltage Electrical 
Contacts 

Replacing the Toner Cartridge5-9
Routine Maintenance
5
2Lift the toner cartridge in the direction of the arrows aa a a, then 
pull it out 
bb b b.
3Take the new toner cartridge out of the protective bag.
As there is a notch cut into the protective bag near the arrow, you can tear open 
the bag by hand. However, if you are unable to tear open the bag by hand, you 
should use scissors to cut the bag open to avoid damaging the toner cartridge.
a
b 

Replacing the Toner Cartridge5-10
Routine Maintenance
5
IMPORTANT
•Do not throw away the toner cartridge protective bag. You will need this cover when 
you remove the toner cartridge for printer maintenance, etc.
•If you touch the inner drum with your hand or scratch it, the printing quality will be 
degraded. Do not touch or open the protective shutter of the drum under any 
circumstances. Be careful not to hold or touch any parts other than as directed. 
Doing so may damage the toner cartridge.
•Do not...

Replacing the Toner Cartridge5-11
Routine Maintenance
5
•Be careful not to hold or touch sensitive areas such as the sensor or electrical 
contacts. Doing so may damage the toner cartridge.
5Place the toner cartridge on a flat surface, then slowly pull out 
the sealing tape (approx. 50 cm in length) while supporting 
the toner cartridge.
Pull the sealing tape out directly in the direction of the arrow.
CAUTION
If you pull on the sealing tape with excessive force or stop pulling midway, 
toner may spray...

Replacing the Toner Cartridge5-12
Routine Maintenance
5
•When pulling out the sealing tape, be careful not to hold the drum protective shutter 
with your hands.
•After removing the packing materials, install the toner cartridge in the printer as 
soon as possible.
•Dispose of the sealing tape according to local regulations.
Drum Protective Shutter 

Replacing the Toner Cartridge5-13
Routine Maintenance
5
6Align the protrusions on the left and right ends of the toner 
cartridge with the toner cartridge guides in the main printer, 
and push the cartridge all the way to the back 
aa a a, then pull it 
down towards you 
bb b b.
a
b 

Replacing the Toner Cartridge5-14
Routine Maintenance
5
7Close the top cover.
IMPORTANT
•If you cannot close the top cover, check that the toner cartridge is installed properly 
in the printer. If you close the top cover forcefully, the printer may be damaged.
•Do not leave the top cover open for a long time after installing the toner cartridge.
You should now clean the printer. (See Cleaning, on p. 5-14)
Cleaning
You should clean the printer after you replace the toner cartridge.
1Load a sheet of A4 (or...

Replacing the Toner Cartridge5-15
Routine Maintenance
5
2Open the Printer Status Window.
Refer to Displaying the Printer Status Window, on p. 4-59 for details on opening 
the Printer Status Window.
3Select [Cleaning] from the [Options] menu. 

Replacing the Toner Cartridge5-16
Routine Maintenance
5
4Click [OK].
The message Cleaning appears in the Printer Status Window, and cleaning 
begins.
Cleaning is finished when the paper ejects from the printer and the message 
disappears.
NOTE
•Cleaning takes approximately 3 minutes.
•Cleaning cannot be interrupted. Wait until the cleaning is finished.
Precautions for Handling the Toner Cartridge
The toner cartridge is constructed from precision mechanical parts. Handling the 
cartridge roughly can damage...

Replacing the Toner Cartridge5-17
Routine Maintenance
5
IMPORTANT
•If you touch the inner drum with your hand or scratch it, the printing quality will be 
degraded. Do not touch or open the protective shutter of the drum under any 
circumstances. Be careful not to hold or touch any parts other than as directed. Doing so 
may damage the toner cartridge.
•Do not expose the toner cartridge to direct sunlight or strong light.
•Be careful not to hold or touch sensitive areas such as the sensor or electrical...