Cartridge Manual

Dell AIO Model A940 is stating cartridge error 50c consult manual.Error not mentioned in man or troubleshoot?

Hav un/reinstalled printer,cleaned nozzles,replaced cart... I cant find mention of this error anywhere. PLEASE help

Contact Dell support they should be able to help you better, I have never heard of that error and I thought I had them all ? I would clean the contact board on the back of the cartridges and on the printers cartridge harness with a few Q tips and 99 % isopropyl alcohol, let it sit for a minute and try again, if that did not help just get new cartridges or get another printer.

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