Canon printer imageCLASS MF3240 User Manual

10-5
Maintenance
 
Replacing the Toner Cartridge
When the LCD displays , redistribute 
toner in the toner cartridge. If the 
message persists, replace the toner 
cartridge.
Redistributing Toner
1Open the front cover.
2Remove the toner cartridge.
3Gently rock the toner cartridge 
five or six times to distribute 
toner evenly.
4Insert the toner cartridge into 
the machine as far as it will go.
Hold the toner cartridge and align the 
protrusions (A) on both sides of the toner 
cartridge to the guides (B) in...

10-6
Maintenance
5Close the front cover.
CAUTION
Be careful not to get your fingers caught.
Replacing the Toner 
Cartridge with a New One
1Open the front cover.
2Remove the toner cartridge.
CAUTION
Do not open the drum protective shutter on 
the toner cartridge. Print quality may 
deteriorate if the drum surface is exposed 
to light or is damaged.  

10-7
Maintenance
3Remove the new toner cartridge 
from the protective bag.
NOTE
Save the protective bag. You may need it 
later when you remove the toner cartridge 
from the machine.
4Gently rock the toner cartridge 
five or six times to distribute 
toner inside.
5Place the toner cartridge on a 
flat and stable surface. Fold the 
tab (A) on the sealing tape (B) as 
shown below, and pull it out 
straight while supporting the 
toner cartridge.
Make sure that the tab itself is detached 
from the toner...

10-8
Maintenance
7Close the front cover.
CAUTION
Be careful not to get your fingers caught. 

10-9
Maintenance
Recycling Used Cartridges
The Clean Earth Campaign
●THE Canon CARTRIDGE RECYCLING PROGRAM
The Canon Cartridge Recycling Program fulfills the first initiative of Canon’s Clean 
Earth Campaign, which supports four critical environmental areas:
●Recycling in the Workplace
●Conserving Environmental Resources
●Scientific Research and Education
●Encouraging Outdoors Appreciation
The remaining “Clean Earth” initiatives are supported in the U.S. through sponsorships 
of the National Park...

10-10
Maintenance
Since its inception, The Canon Cartridge Recycling Program has collected millions of 
cartridges that otherwise would have been discarded into landfills or similar facilities. 
Instead, this rapidly growing program returns used cartridges to the manufacturing 
process, thus conserving an array of resources.
Becoming a part of this worthwhile program is easy. When your cartridge is of no 
further use, simply follow the instructions detailed for U.S. or Canadian residents. 
We appreciate...

10-11
Maintenance
U.S.A. PROGRAM
●Packaging
■Option A-1: Single Box Return
●Repackage the empty cartridge utilizing the wrapper and pulp mould end-blocks 
from the new cartridge’s box.
●Place the empty cartridge in the box of your new cartridge. Seal the box.
■Option B: Volume Box Return
We encourage you to use this option as a more efficient way to ship cartridges.
●Place as many cartridges as possible into one box. 
Carefully seal the box with tape;
or
●Call 1-800-OK-Canon to receive your free eight...

10-12
Maintenance
■Option A-2: Multiple Box Return
We encourage you to use this option as a more efficient way to ship cartridges.
●Complete Option A-1.
●Bundle multiple cartridge boxes together securely with tape.
Please be sure that the shipment does not exceed UPS specifications.
Maximum weight = 70 lb. (31.8 kg)
Maximum length = 108 in. (2,743 mm)
Maximum girth (length + 2 x width + 2 x height) = 130 in. (3,302 mm)
If your shipment exceeds the above limits, please call 1-800-OK-Canon for special...

10-13
Maintenance
●Shipping
Apply the UPS authorized returning label provided in this guide.
Residents of Alaska and Hawaii: Do not use the UPS authorized returning label. For 
Alaska and Hawaii Canon set up alternative mail service with the U.S. Postal Service.
Please call 1-800-OK-Canon to receive U.S. Postal Service merchandise returning 
label.
■Option A: UPS Pick-up
●Give the shipment to your UPS driver when you receive your next regular delivery;
or
●Take the shipment to your local UPS receiving...

10-14
Maintenance
By using either of the above methods of shipment, your used cartridge(s) will 
be forwarded to the Canon Cartridge Collection Center at no charge to you.
For further information about the Clean Earth Campaign in the United States, please 
call: 1-800-OK-Canon
CANADA PROGRAM-CANADA PROGRAMME
■Option A: Single Box Return
●Repackage the empty cartridge utilizing the wrapper and pulp mould end-blocks 
from the new cartridge’s box.
●Place the empty cartridge in the box of your new cartridge....