5B04MAXIFY GX7050

Canon MAXIFY GX7050 error 5B04: Fix Guide

The Canon MAXIFY GX7050 error 5B04 triggers when the ink management system indicates that preventive maintenance is required. If you're asking why does my Canon MAXIFY GX7050 error 5B04 appear, it is the result of long-term use and automated cleaning cycles. Follow this guide to resolve this safety lock.

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Common causes

  • 1Internal waste ink counter exceeded.
  • 2Excessive use of automated cleaning cycles.
  • 3Natural wear of the absorption foam.
  • 4Flow sensor communication error.

Solutions

Quick Diagnostics

When the Canon MAXIFY shows 5B04, it is a notice that the waste ink deposit is nearly full. This is not a printhead failure but a maintenance counter event.

Step-by-Step Fix

  1. Enter Service Mode: Hold the Stop button and press ON until the LED blinks.
  2. Reset Counters: Use the specific service tool to clear the 'Waste Ink Counter' history.
  3. Restart: Power the printer down completely and turn it on so the software updates the status.
  4. Verification: Print a test page to verify system restoration.

Prevention and Maintenance

Avoid frequent on/off cycles, as each startup consumes ink and fills the waste tank. Keep the device on a level surface.

When to Call a Technician

If you are unfamiliar with Canon's service tools, please contact a technician to prevent potential damage to the logic board.

Technical Specifications

  • Technology: Refillable Ink Tank.
  • Speed: 45 ipm.
  • Connectivity: Wi-Fi, Ethernet.
  • Compatible Consumable: GI-56.
  • Recommended Use: Enterprise.
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Enter Service Mode

    Hold the Stop button and press ON until the LED changes.

  2. 2

    Reset Counters

    Use the service tool to clear the 'Waste Ink Counter' history.

  3. 3

    Restart

    Power off and on to finish the configuration.

Frequently asked questions

The waste ink tank is reaching its capacity limit.

It requires a software reset and, ideally, physical tank cleaning or replacement.

No, it uses the GI-56 refillable tank system.

Yes, it may soil internal components with spilled waste ink.