e4ENVY Pro 6455

HP ENVY Pro 6455 Error E4: Cartridge Fault

The HP ENVY Pro 6455 error E4 points to a communication error between the printer and ink cartridges. This is usually due to dirty gold contacts or failing to remove the protective plastic tape during installation.

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Common causes

  • 1Dirty contacts
  • 2Protective tape not removed
  • 3Incompatible ink
  • 4Damaged ink chip

Solutions

Quick diagnosis

Error E4 indicates the system doesn't detect the cartridge chip. Always ensure the protective plastic strip has been fully removed.

Step-by-step solution

  1. Remove the cartridges.
  2. Clean gold contacts with a dry lint-free cloth.
  3. Check for residue left by plastic strips.
  4. Reinstall securely.

Prevention and maintenance

Always use genuine HP ink. Clean contact points if errors appear before considering cartridge replacement.

When to call a technician

If E4 persists after cleaning and using genuine ink, the cartridge interface inside the carriage may be faulty.

Technical data

  • Technology: Thermal Inkjet
  • Connectivity: Wi-Fi / USB
  • Compatible supply: HP 67 / 67XL
  • Recommended use: Home Office
  • Official drivers / firmware

Steps to follow

  1. 1

    Remove

    Take out ink cartridges.

  2. 2

    Clean

    Wipe gold contacts.

  3. 3

    Check

    Remove any plastic.

  4. 4

    Install

    Put them back in.

Frequently asked questions

Cartridge communication error.

It is a standard fixable error.

HP 67 series.

Gently wipe with a clean cloth.

HP ENVY Pro 6455 Error E4: Cartridge Fault | Vimazdev