Error and Maintenance Indications

DSmobile DS-640/DSmobile DS-740D

The LED indications on the control panel are explained in this table.

Power/Scan LED Description
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The LED is off.
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The LED is lit in the colour shown.
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The LED is blinking in the colour shown.
Power/Scan LED Machine Status
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Document Jam

Clear the document jam.

If scanning a long document, select Long Paper from the Scan Size or Document Size drop-down list.

When inserting an embossed card, make sure to insert it embossed side up into the Feeder Slot.

Top Cover Open

The Top Cover is open. Close the Top Cover.

Insufficient Storage Space

When using the Scan to PC function, there may not be enough memory in the destination folder for the scanned data. Press START/STOP to clear the error. Make sure that there is enough space in the destination folder to save the scanned data.

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Updating the Firmware

Firmware update in progress. Wait for the update to complete.

DSmobile DS-940DW

The LED indications on the control panel are explained in this table.

Error LED SD Card LED Wi-Fi LED Battery LED Power/Scan LED Description
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The LED is off.
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The LED is lit in the colour shown.
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The LED is blinking in the colour shown.
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The LED can be off, lit, or blinking in any colour.
Error LED SD Card LED Wi-Fi LED Battery LED Power/Scan LED Machine Status
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Document Jam

Clear the document jam.

If scanning a long document, select Long Paper from the Scan Size or Document Size drop-down list.

When inserting an embossed card, make sure to insert it embossed side up into the Feeder Slot.

Top Cover Open

The Top Cover is open. Close the Top Cover.

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Updating the Firmware

Firmware update in progress. Wait for the update to complete.

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Insufficient Storage Space

When using the Scan to PC function, there may not be enough memory in the destination folder for the scanned data. Press START/STOP to clear the error. Make sure that there is enough space in the destination folder to save the scanned data.

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Access Error

Scan to PC

The USB cable is not connected to the machine. Connect the USB cable.

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Access Error

Scan to PC

The Scan to PC settings were not configured in Remote Setup.

Configure the Scan to PC settings in Remote Setup.

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(blinking slowly)

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Wireless Network Connection Error

Press START/STOP to clear the error. Confirm the network settings.

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(blinking slowly)

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(blinking rapidly)

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Unsupported Memory Card

An unsupported memory card is inserted into the Memory Card Slot.

  • Remove the memory card and insert the supported microSD memory card.
  • Format the microSD memory card on the computer.
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(blinking rapidly)

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Too Many Files on the Memory Card

Your machine cannot save files to a memory card if the card contains too many files.

Press START/STOP to clear the error. Remove the microSD memory card, and then do one of the following:

  • Delete unused files or folders from the microSD memory card, and then try again.
  • Use a microSD memory card that has available space.
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Battery Error

Battery error has occurred.

  • The internal temperature of the machine or of its battery is too high or too low. Wait until the temperature returns to normal and the LED stops flashing.
  • Turn the machine off, and then turn it on again. If it is not restored, contact your Brother dealer or Brother customer service.
  • Connect the USB cable to your scanner and your computer to use the scanner. Make sure the USB cable is securely connected.
  • If the error cannot be cleared, contact your local Brother office.

    See Related Information: Brother Help and Customer Support.

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

Related Models

DS-640, DS-740D, DS-940DW

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