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Printer Diagnostics

Narrow down the problem before making major changes.

Record what happens
Note the exact error, printer model, operating system, and whether every application is affected.
Check a simple job
Try a single-page document and check the selected printer.
Compare device and computer results
If your model supports a built-in test page, use its guide to print one. This can help distinguish a device problem from a connection or software issue.
Use guided troubleshooting
Follow the applicable official guide below. Avoid factory resets, network changes, or driver removal until their impact is understood.

Official guidance

These links open the manufacturer's or operating-system provider's website. Follow guidance for your exact model; menu names and procedures vary.