If you are getting a low ink message no you will not be able to fax until this is resolved. Once you replace the ink cart. then you can get to the steps where you can clear the fax memory until then the steps that we would give you will not work.
You can visit www.canon.com
click on your printer model then on support and you can download the manual in this manual there will be step by step instructions on how to clear the memory on the fax. this can also be cleard once you print them keep that in mind. so first purchse ink then your going to print your faxes by hitting that button twice the reason why it will not work now is because your low on ink.
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620