e04PIXMA E3370

Canon PIXMA E3370 error E04: Causes and Quick Fixes

The Canon PIXMA E3370 error E04 occurs when the printer fails to correctly detect the installed ink cartridges. This issue is typically caused by dirty electrical contacts or improperly seated consumables, which prevents the printer from reading the ink levels. In most cases, a manual cleaning of the pins will resolve the communication conflict.

0 views

Common causes

  • 1Dirty or oxidized gold contacts interfering with the signal.
  • 2Misaligned cartridge preventing full contact with the pins.
  • 3Internal damage to the cartridge's print head circuitry.
  • 4Faulty ribbon cable connecting the carriage to the main board.

Solutions

Quick Diagnosis

The E04 error is identified by the orange LED blinking 4 times on the printer panel. This alerts the user to an electrical communication failure, a common query when checking why is my Canon E3370 showing E04 error.

Step-by-step Solution

  1. Power off the printer and disconnect it from the power source for one minute.
  2. Open the front cover and remove the cartridges from their cradles.
  3. Clean the gold contacts using a clean, lint-free cloth (avoid touching the print nozzles).
  4. Reseat the cartridges firmly into their slots until you hear a click.
  5. Close the cover and turn on the unit to check if the error persists.

Prevention and Maintenance

Avoid touching the metal contacts with your fingers to prevent skin oils from causing interference. Use compressed air to clean the carriage area periodically and always use genuine cartridges for optimal electrical reliability.

When to Call a Technician

If you have cleaned the contacts and tested new cartridges without success, there may be internal damage to the logic board or the carriage ribbon cable that requires professional repair.

Device Technical Specifications

  • Technology: FINE Inkjet
  • Speed: Up to 7.7 ipm black
  • Connectivity: Wi-Fi, High-Speed USB
  • Paper Input: 60 sheets (rear tray)
  • Compatible Consumables: PG-47 (black) and CL-57 (color) cartridges
  • Recommended Usage: Home and Small Office
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Open front cover

    Lift the cartridge access cover and wait for the carriage to move to the center.

  2. 2

    Remove cartridges

    Press the release tab on the cartridge and pull it carefully out of its slot.

  3. 3

    Clean contacts

    Wipe the gold metal contacts on the cartridge and printer with a soft, lint-free cloth.

  4. 4

    Reinstall and test

    Insert the cartridges until you hear a click and close the cover to restart.

Frequently asked questions

This error occurs because the system detects an electrical connection failure between the cartridges and the printer, usually due to dust or loose installation.

It is not a critical hardware failure; it is usually resolved by cleaning the contacts or reseating the ink cartridges.

This model uses the Canon FINE series (PG-47 and CL-57). We recommend original cartridges to avoid potential reading errors.

We recommend cleaning the contacts every time you install new cartridges to ensure a stable electrical connection.

Canon PIXMA E3370 error E04: Causes and Quick Fixes | Vimazdev