1402MAXIFY GX3020

Canon MAXIFY GX3020 error 1402: Fix

The Canon MAXIFY GX3020 error 1402 notifies the user that the print head is either incorrectly installed or has an electrical contact fault. This error interrupts all printing and copying functions. To resolve error 1402 on the MAXIFY GX3020, we recommend removing and cleaning the metallic contacts of the print head. The GX3020 is well-known for its high-volume continuous ink supply system.

1 views

Common causes

  • 1False connection on the gold pins due to grime.
  • 2Physical misalignment during print head installation.
  • 3Internal damage in the print head circuit.
  • 4Natural injector wear after excessive cleaning cycles.

Solutions

Diagnóstico rápido

This error appears when the print head pins fail to signal the mainboard. If the message appears following an ink refill, it is likely a physical alignment issue.

Solución paso a paso

  1. Open the printer cover and remove the associated ink tank.
  2. Extract the print head carefully.
  3. Clean the gold contacts gently with a soft, dry, lint-free cloth.
  4. Reinstall the print head, ensuring it clicks firmly into place.
  5. Restart the printer to force a re-detection cycle.

Prevención y mantenimiento

Avoid touching the metallic contacts with bare fingers to prevent oil transfer. Perform a monthly print head cleaning via the printer software to prevent ink sludge buildup. Use only genuine Canon GI-26 inks to maintain injector health.

Cuándo llamar a un técnico

If the 1402 error persists after cleaning and restarting, the print head likely suffered an internal electrical short circuit, requiring replacement.

Ficha técnica del equipo

  • Technology: MegaTank (Continuous Ink Supply)
  • Speed: 24 ppm (black)
  • Connectivity: Wi-Fi, USB, Ethernet
  • Capacity: 250 sheets
  • Compatible Consumables: GI-26 Bottles
  • Usage: High-volume offices and homes
  • Drivers / official firmware

Steps to follow

  1. 1

    Remove Print Head

    Extract the cartridge and print head unit.

  2. 2

    Clean Contacts

    Wipe the electrical contacts with a dry cloth.

  3. 3

    Reinstall

    Place it back and confirm the connection.

Frequently asked questions

Code 1402 indicates that the print head is not recognized by the unit.

Not necessarily; cleaning the electrical pins often resolves the fault.

It uses the GI-26 ink bottle series.

Perform periodic cleaning cycles and avoid leaving the device idle for too long.