ErrorCodeDoctor
Brother · Printer (Laser)

Brother Printer (Laser) Cartridge Error / Put the Toner Cartridge back in error code

Difficulty: Easy · Cost: $0–$100 · Duration: 5m

The Cartridge Error or Put the Toner Cartridge back in message on your Brother laser printer means the toner cartridge is not correctly installed. Pull out the drum unit and toner cartridge assembly, remove the toner cartridge from the drum unit, and firmly reinstall the toner cartridge back into the drum unit. Then reinstall the drum unit and toner cartridge assembly back into the machine. If the error persists contact a qualified technician.

Common causes

  • The toner cartridge is not correctly installed in the drum unit
  • The toner cartridge is not fully seated in the drum unit

How to fix it

  1. 1

    Open the front cover of the machine

  2. 2

    Pull out the drum unit and toner cartridge assembly

  3. 3

    Remove the toner cartridge from the drum unit

  4. 4

    Firmly reinstall the toner cartridge back into the drum unit until it clicks into place

  5. 5

    Reinstall the drum unit and toner cartridge assembly back into the machine

  6. 6

    Close the front cover

  7. 7

    If Cartridge Error persists contact a qualified technician

Related Brother Printer (Laser) error codes

Cartridge Error / Put the Toner Cartridge back in error — frequently asked questions

What does the Cartridge Error / Put the Toner Cartridge back in error mean on a Brother printer (laser)?

The toner cartridge is not installed correctly in the drum unit

What causes the Cartridge Error / Put the Toner Cartridge back in error?

The Cartridge Error / Put the Toner Cartridge back in error is usually caused by: The toner cartridge is not correctly installed in the drum unit; The toner cartridge is not fully seated in the drum unit.

Can I fix the Cartridge Error / Put the Toner Cartridge back in error myself?

Yes — this is rated an easy fix that most people can do themselves, typically in 5m.

How much does it cost to fix the Cartridge Error / Put the Toner Cartridge back in error?

Fixing the Cartridge Error / Put the Toner Cartridge back in error on a Brother printer (laser) typically costs $0–$100, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my printer (laser) with the Cartridge Error / Put the Toner Cartridge back in error?

In most cases yes, but it's best to address the Cartridge Error / Put the Toner Cartridge back in error soon — see the fix steps below to resolve it.