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So that the Community can help you better, we will need to know what model Canon equipment you are using. Any other details you'd like to give will only help the Community better understand your issue. If this is a time-sensitive matter, click HERE search our knowledge base or find additional support options HERE
If the toner cartridge is not seated properly, it can prevent you from cleaning the ITB. You can try reseating the magenta toner and checking for any packing material. Some third party toner cartridges can also prevent you from performing certain maintenance functions. To assist further or to narrow down the issue, you can reply to this post with the information below.
The box is labeled 045 for all cartridges.
There is no error message when installing any of the cartridges
I have changed all 4 cartridges at this point and still having issues printing with cyan and magenta. Yellow and black are working fine.
12/05/2023: New firmware updates are available.
09/26/2023: New firmware updates are available.
08/18/2023: Canon EOS R5 C training series is released.
07/31/2023: New firmware updates are available.
05/18/2023: New firmware updates are available.
03/30/2023: New firmware updates are available.