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New Contributor
Posts: 2
Registered: ‎09-10-2019

Document Feed scans are scrambled

I've had my MF731C for about 6 weeks. For the first 3 weeks, everything worked fine. Then when I scan with the doc feeder, I get a totally scrambled image. Flatbed works fine, firmware is up to date, printer is fine. Even tried using the feed scanner with other computers and got same result. Nothing changed other than the results of the scanner... Please help. Screen shot below....Screen Shot 2019-09-10 at 12.37.51 PM.png

New Contributor
Posts: 2
Registered: ‎09-10-2019

Scanner scrambling images

Had my printer about 2 months. Everything was working fine, then the auto feed scanner started producing weirdness. Updated firmware, changed computers, restarted...same issue. Everything else on the machine works fine. Flatbed scan works fine. Please help...

Screen Shot 2019-09-10 at 12.37.51 PM.png

Product Expert
Posts: 699
Registered: ‎09-30-2013

Re: Scanner scrambling images

Hi bznbuilder.


Does this issue happen when making a copy using the document feeder? Also, do all of your computers run macOS? If so, please start the scan using the IJ Scan Utility and verify if the image is distorted when using the document feeder:


We look forward to your reply. If you need immediate assistance with this issue, please call us at 1-800-OK-CANON (652-2666), Monday - Friday 10:00 a.m. to 6:30 p.m. ET (excluding holidays).

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