HP 963 — Error codes & fixes

Troubleshooting guide for the HP 963. Diagnose an error code and find the fix.

Paper jam (E0)

E0

The printer reports a paper jam and stops printing. Paper is stuck somewhere in the paper path.

Source: HP Support — printer error codes Confidence: 90% Verified Aug 9, 2026
2 fixes available

Ink / toner low

ink-low

The printer warns that ink or toner is low, affecting print quality.

Source: HP Support — printer error codes Confidence: 85% Verified Aug 9, 2026
2 fixes available

Printhead clogged

printhead-clog

The printhead nozzles are clogged, causing streaky or missing colors in prints.

Source: HP Support — printer error codes Confidence: 80% Verified Aug 9, 2026
2 fixes available

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