imagePROGRAF PRO-300 will not print

[guidibird]

I'm on macOS Sequoia 15.6.1, connected to the imagePROGRAF PRO-300 via USB, and I've just re-downloaded all the available drivers from https://www.usa.canon.com/support/p/imageprograf-pro-300  – when I send a photo to print, the printing status bar in the printer window sweeps from right to left and back perpetually without printing anything.

The only way I can print is if I connect the printer using AirPrint which doesn't give me the options I need to achieve the quality I want. 

Is there a known issue with macOS Sequoia that prevents the printer from connecting? This is driving me insane; I've wasted hours trying to connect to the printer.

[guidibird]

I should mention that the printer used to work.  I don't know why it stopped.  It hasn't been moved or damaged in any way.  I do update the software on the Mac often. 

[Patrick]

Hi guidibird,

Please contact one of Canon's Technical Support Representatives via phone or chat. To contact a Technical Support Representative, please use the link below to log into your My Canon account:

https://mycanon.usa.canon.com

Once logged in, click on your imagePROGRAF PRO-300 and then click on the Product Support button. When that page loads, click on either the Phone Support button or the Chat Support button to access support. 

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