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On a Loftware Print Server with a Datamax Prodigy or Prodigy+ printer, when using the Loftware driver to print using On Demand Print 32, the following error displays:


(M20065) No Memory Module Selected.

Once the error comes up, you click OK, and a blank label will come out of the printer. When using On Demand Print Client and or using a drop file with the Loftware Print Server, the above error is suppressed but the printer still delivers a blank label.


This error occurs because the Memory Module setting for the printer driver is set to "None" by default, and the printer requires memory to store the label format. This is easily correctly by setting the printer option to use an available memory module in the printer.


  1. Navigate to Design32 and open it.
  2. Navigate to File and then Devices.
  3. Select the Datamax Prodigy printer you are having issues with, and select Options.
  4. At the bottom of the options box, you will see Advanced Options
  5. Select the drop down for Memory Module and select any of the options other than None.

  6. Also confirm that the correct Symbol Set (normally ASCII) is selected.

  7. Select OK.
  8. Select OK on the Device Grid.

At this point when you print there should be no error and the label should not be blank, whether you are using On Demand Print 32, On Demand Print Client, or the LPS Service.


Make sure when using any Datamax Prodigy driver from Loftware, that the Memory Module and Symbol Set are set correctly, and not set to the "None" value.

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Article Number



 LPS and LLM 10x


Windows 7 and or Windows Server 2008R2