Cannot CleanDCP-T720DW

Brother DCP-T720DW: Cannot Clean Error Solution

The 'Cannot Clean' error appears when the printer's waste ink counter reaches its programmed limit. This is a safety feature to prevent internal ink spills. It requires clearing the maintenance counter and, in some cases, replacing the physical absorbent pads.

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Common causes

  • 1Counter limit: the firmware has hit the maximum allowed cleaning cycles.
  • 2Waste pad saturation: physical overflow of the ink absorber pads.
  • 3Purge pump failure: internal mechanism blockage.
  • 4Excessive maintenance: frequent manual cleanings shortening the lifespan.

Solutions

Diagnóstico rápido

This message typically appears after prolonged use or frequent manual head cleanings. Check for ink stains at the base of the machine to determine if the pads are physically saturated.

Solución paso a paso

  1. Power off the printer and leave it unplugged to allow internal systems to reset.
  2. Inspect the waste ink area to ensure no liquid is leaking onto the desk or internal circuitry.
  3. Enter maintenance mode via the service menu to reset the purge counter (specific codes apply).
  4. Run a test print after the reset to ensure the error clears.

Prevención y mantenimiento

Avoid performing 'Deep Cleaning' cycles unless absolutely necessary, as they drastically increase the waste ink count. Always power down the printer using the physical power button.

Cuándo llamar a un técnico

If the reset does not solve the issue, or if ink is pooling inside the machine, professional replacement of the absorption pads is required to avoid board short-circuiting.

Ficha técnica del equipo

  • Technology: InkTank with internal purge system
  • Counter: Purge counter monitoring
  • Connectivity: Wi-Fi/USB
  • Compatible consumable: BTD60BK, BT5001C/M/Y
  • Recommended Use: High-output environments
  • Official drivers / firmware

Steps to follow

  1. 1

    Power down

    Switch off and unplug for 10 minutes.

  2. 2

    Inspect leakage

    Check for ink pooling under the printer.

  3. 3

    Reset counter

    Reset the 'Purge Count' in the maintenance menu.

  4. 4

    Verification

    Test the printer with a standard page.

Frequently asked questions

No, you risk causing internal ink leaks that could damage the printer electronics.

You can reset the software counter, but physical ink pads may need changing if saturated.

Using high-quality original Brother ink keeps the nozzles clear, reducing the need for deep cleaning.

Only run cleaning cycles if you see streaks or print quality issues.

Brother DCP-T720DW: Cannot Clean Error Solution | Vimazdev