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Brother · Printer (Laser)

Brother Printer (Laser) Size Error 2-sided / Size Error DX error code

Difficulty: Easy · Cost: $0 · Duration: 2m

The Size Error 2-sided or Size Error DX message on your Brother laser printer means the paper size set in the printer driver or loaded in the tray is not available for automatic 2-sided printing. Only Letter, Legal, and Folio paper sizes are supported for automatic duplex printing. Press Stop/Exit, change to a supported paper size, and try again.

Common causes

  • The paper size specified in the printer driver is not supported for automatic 2-sided printing
  • The paper loaded in the tray is a size that does not support automatic 2-sided printing

How to fix it

  1. 1

    Press Stop/Exit

  2. 2

    Change the paper size in the printer driver to Letter, Legal, or Folio — these are the only sizes supported for automatic 2-sided printing

  3. 3

    Make sure the paper in the tray matches the selected size

  4. 4

    Try printing again

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