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How to Fix Bad Circuit Printer Error Message

Learn how to fix the bad circuit printer error message in this informative video


Some printer models that use the HP #21 (HP C9351AN), HP #22 (HP C9352AN) and the HP #56 (HP C6656AN), HP #57 (HP C6657AN) may display bad circuit errors after the color ink cartridge has been replaced. To resolve this issue, (1) remove the black ink cartridge, (2) remove the color ink cartridge, (3) reinstall the black ink cartridge, and (4) then reinstall the color cartridge. The error message should go away after the printer re-initializes.

About William Elward

Founder of Castle Ink, William Elward has 20 years experience in the printer industry. He's been featured on CNN Money, Yahoo, PC World, Computer World, and other top publications and frequently blogs about printers and ink cartridges. He's an expert at diagnosing printer issues and has published guides to fixing common printer issues across the internet. A graduate of Bryant University and Columbia's Sulzberger Executive Leadership Program, he's held various leadership positions at The College Board, Bankrate, Zocdoc, and Everyday Health. Follow him on Twitter at William Elward's Twitter Profile