Replacing Toner Cartridges

Article ID: ART164282 | Date published: 01/11/2016 | Date last updated: 01/11/2016


Replacing Toner Cartridges


The machine displays a message when the amount remaining in the toner cartridge is low. Note that the print quality may suffer if you continue printing without resolving this issue. You can check the amount remaining in the toner cartridges on the display.


  • Do not dispose of used toner cartridges in open flames. Also, do not store toner cartridges or paper in a location exposed to open flames. This may cause the toner to ignite, and result in burns or fire.
  • If you accidentally spill or scatter toner, carefully wipe up the loose toner with a damp, soft cloth and avoid inhaling any toner dust. Do not use a vacuum cleaner that is not equipped with safety measures to prevent dust explosions to clean up loose toner. Doing so may cause damage to the vacuum cleaner or result in a dust explosion due to static discharge.
  • Use caution not to inhale any toner. If you should inhale toner, consult a physician immediately.
  • Use caution so that toner does not get into your eyes or mouth. If toner should get into your eyes or mouth, immediately wash with cold water and consult a physician.
  • Use caution so that toner does not come into contact with your skin. If it should, wash with soap and cold water. If there is any irritation on your skin, consult a physician immediately.
  • Keep the toner cartridges and other consumables out of the reach of small children. If toner is ingested, consult a physician or poison control center immediately.
  • Do not disassemble or modify the toner cartridge. Doing so may cause the toner to scatter.
  • Remove the sealing tape of the toner cartridge completely without using excessive force. Doing otherwise may cause the toner to scatter.
Handling the toner cartridge
  • Be sure to hold the toner cartridge using the handle and do not touch the drum surface. ().
  • Do not touch the toner cartridge memory () or the electrical contacts ().
  • Do not scratch the drum surface () or expose it to light.
  • Do not remove the toner cartridge from this machine or from the protective bag unnecessarily.
Storing the toner cartridge
  • Store in the following environment to ensure safe and satisfactory use.
- Storage temperature range: 32 to 95°F (0 to 35°C)
- Storage humidity range: 35 to 85% RH (relative humidity/no condensation)*
  • Store without opening until the toner cartridge is to be used.
  • When removing the toner cartridge from this machine for storage, attach the protective cover for the drum, and then place the removed toner cartridge into the original protective bag or wrap it with a thick cloth.
  • When storing the toner cartridge, do not store it upright or upside down. The toner will solidify and may not return to its original condition even if it is shaken.
*Even within the storable humidity range, water droplets (condensation) may develop inside the toner cartridge if there is a difference of temperature inside and outside the toner cartridge. Condensation will adversely affect the print quality of toner cartridges.
Do not store the toner cartridge in the following locations
  • Locations exposed to open flames
  • Locations exposed to direct sunlight or bright light for five minutes or more
  • Locations exposed to excessive salty air
  • Locations where there are corrosive gases (i.e. aerosol sprays and ammonia)
  • Locations subject to high temperature and high humidity
  • Locations subject to dramatic changes in temperature and humidity where condensation may easily occur
  • Locations with a large amount of dust
  • Locations within the reach of children
Be careful of counterfeit toner cartridges
  • Please be aware that there are counterfeit Canon toner cartridges in the marketplace. Use of counterfeit toner cartridge may result in poor print quality or machine performance. Canon is not responsible for any malfunction, accident or damage caused by the use of counterfeit toner cartridge. For more information, see [ ]
Availability period of repairing parts and toner cartridges
  • The repairing parts and toner cartridges for the machine will be available for at least seven (7) years after production of this machine model has been discontinued.
Toner cartridge packing materials
  • Save the protective bag for the toner cartridge and protective cover for the drum. They are required when transporting this machine.
  • The packing materials may be changed in form or placement, or may be added or removed without notice.
  • Dispose of the removed sealing tape according to local regulations.
When disposing of a used toner cartridge
  • Attach the protective cover for the drum, place the toner container into its protective bag to prevent the toner from scattering, and then dispose of the toner cartridge according to local regulations.

How to Replace Toner Cartridges

1. Open the front cover.
2.Pull out the cartridge tray.
MF729Cdw / MF726Cdw
MF628Cw / MF624Cw
3. Pull the toner cartridge straight up and out of the machine.
4. Remove the replacement toner cartridge from the protective bag.
5. Shake the toner cartridge 5 or 6 times as shown below to evenly distribute the toner inside the cartridge, and then place it on a flat surface.
  • In this step, do not remove the drum protective cover ().
6. Pull the sealing tape straight out.
  • The full length of the sealing tape is approximately 19 3/4" (50 cm).
When pulling out the sealing tape
If the sealing tape remains inside the toner cartridge, the quality of printouts, including faxes, may deteriorate. Also note that it will not be possible to reprint a fax because the fax function automatically deletes data once it is printed.
  • Do not pull out the sealing tape at an angle or sideways. If the tape breaks, you may not be able to pull it out completely.
  • If the sealing tape becomes stuck when pulling it out, keep pulling until it is completely removed.
7. Remove the drum protective cover.
8. Install the toner cartridge.
  • Each toner cartridge color has its own slot in the toner cartridge tray, and this tray is indicated with a corresponding color label (). Place the toner cartridge into the slot that corresponds to its color.
  • Make sure that the drum avoids contact with the frame of the toner cartridge tray because the bottom surface of the cartridge is exposed.
9. Push the toner cartridge tray back in, and close the front cover.
  • Immediately after the front cover is closed, the quick adjustment starts. To perform adjustment for higher quality, perform full adjustment. [ Correcting the Gradation ]

Checking the Amount Remaining in the Toner Cartridges



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