E3 Troubleshooting

Cartridge / carriage error (E3) on the HP 302

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

The printer reports a cartridge or carriage error, often after a cartridge change.

How to fix Cartridge / carriage error (E3)

Reinstall the cartridge

Remove and reinstall the cartridge, ensuring it is pushed firmly into the carriage until it clicks into place.

Source: HP Support — printer error codes Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

Parts needed: HP 302 Toner Cartridge, HP 302 Ink Cartridge

Clean the contacts

Clean the cartridge and carriage contacts with a dry cloth and retry.

Source: HP Support — printer error codes Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Replacement parts for the HP 302

← All HP 302 error codes

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