E5 Troubleshooting

Scanner failure (E5) on the HP 304

Source: HP Support — printer error codes Confidence: 75% Verified Aug 9, 2026

The scanner motor or bulb has failed, often fixed by a power reset.

How to fix Scanner failure (E5)

Power reset

Unplug the printer for 60 seconds, reconnect, and power on to reset the scanner.

Source: HP Support — printer error codes Confidence: 75% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Check the scanner carriage

Open the scanner lid and ensure the scanner carriage is not stuck at the end of its track.

Source: HP Support — printer error codes Confidence: 75% Verified Aug 9, 2026
Difficulty: ★★ Est. 5 min

Replacement parts for the HP 304

← All HP 304 error codes

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