Replacement Parts

This section describes the replacement parts (consumables/consumable parts) used by the machine. Purchase the replacement parts from the authorized Canon dealer that you purchased the machine from. Follow the precautions when handling and storing the replacement parts.
Genuine Supplies
Canon has developed and manufactured Toner, Cartridge, and Parts specifically for use in this machine.
For optimal print quality and for optimal machine performance and productivity, we recommend that you use Genuine Canon Toner, Cartridge, and Parts.
Contact your Canon Authorized Dealer or Service Provider for Genuine Canon Supplies.
For information on handling and storing the replacement parts, follow the precautions indicated in the Getting Started included with the machine.
You can check the current amount of replaceable parts remaining.


Toner Cartridge for Replacement

Confirm that the code on the front cover of the machine and the one on the package of the genuine toner are the same.
For optimum print quality, using Canon genuine toner is recommended.
Model name
Genuine Canon toner
imageRUNNER C3125i
Canon GPR-53 Toner Black 
Canon GPR-53 Toner Cyan 
Canon GPR-53 Toner Magenta 
Canon GPR-53 Toner Yellow 
Canon GPR-53L Toner Cyan *
Canon GPR-53L Toner Magenta *
Canon GPR-53L Toner Yellow *
* Not available in some regions.
Be careful of counterfeit toners
Please be aware that there are counterfeit Canon toners in the marketplace. Use of counterfeit toner 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. For more information, see
For information on the collection of used toner cartridges, see the Getting Started.

Drum Unit

Product Name
Model Number
imageRUNNER C3125i
Canon GPR-53 Drum Unit

Staple Cases for Replacement

Always use the dedicated replacement staple cases for this machine.
Finisher name
Genuine Canon staple cases
Inner Finisher-K

Consumable Parts

Waste Toner Container


Fixing Assembly

Refer to the packing box for the Fixing Assembly.

ADF Maintenance Kit

Follow the instructions provided to your local authorized Canon dealer.