Hi Jen

This does not sound like an issue with Firefox but is something that the Canon support team should be able to help you with.

Try turning it off and back on first. If that doesn’t help, check for any paper jams or low ink. Sometimes updating the printer drivers works too.

Hi Jen,

This forum is intended to help users with Mozilla products, such as Firefox. As a moderator, I'm going to mark this thread as off-topic and lock the thread since it is not a subject covered in the support forum. Please see Mozilla Support rules and guidelines.