topic Re: Canon MB2720 Printer Error 5040/B504 in Office Printers

PIXMA MB2720 Printer Error 5040/B504

ldrun417 — Tue, 27 Jan 2026 13:17:01 GMT

I am having a printer error on my Canon Maxify MB 2720 all in one printer. The error code I am getting is B504, which I believe is the new 5040. I have followed the directions from the error message but cannot resolve the issue. I have unplugged the printer several time and cleared all the print jobs. I have also checked the ink cartridges to make sure that they are properly seated. Every time I turn my printer back on, it tries to print and gives me the same error message. I have instructed it to clean print head but error message overrides it. Is there anything else I can do?

Re: Canon MB2720 Printer Error 5040/B504

Stephen — Mon, 26 Jan 2026 21:21:10 GMT

The B504/5040 error code on your Canon MAXIFY MB2720 printer typically indicates a hardware issue that may require service. Since you've already tried basic troubleshooting steps, here are some additional steps you can try:

Power Cycle: Disconnect the power cable from the printer and the wall outlet. Wait for about 10 minutes, then reconnect and power on the printer.
Check for Obstructions: Ensure there are no paper jams or obstructions in the paper path. Open all access doors and carefully inspect for any stuck paper or debris.
Print Head Alignment: If possible, try to run the print head alignment function. Although the error overrides it, attempt to access it through the printer's menu if available.
Contact Support: If the error persists after these steps, it is best to contact Canon support directly for further assistance. The error might indicate a component failure that requires professional repair.

You can reach Canon support through your Canon Account at https://canon.us/account or by phone at 800-OK-CANON (800-652-2666). Our technicians can provide specific guidance.

Re: Canon MB2720 Printer Error 5040/B504

ldrun417 — Mon, 26 Jan 2026 21:57:57 GMT

Thanks. I will give this a try and see if it works.