Configure Your Receipt Printers

For Epson T-20, TM-T88III,  TM-T88IV, TM-T88V Printers (Jump to instructions for the TM-T88II):

To check the Firefox printer settings or set up Firefox, jump to that section.

In the Print Driver:

Register at the EpsonExpert Technical Resource Center website to gain access to the drivers; go to Technical Resources, then choose the printer model from the Printers drop-down list. Download and install the current Advanced Print Driver (APD).

Click Start → Printers and Faxes → Right click the receipt printer → Properties:

  • Advanced Tab, click Printing Defaults button
  • Layout Tab: Paper size: Roll Paper 80 x 297mm
  • TM-T88III: Layout Tab: Check Reduce Printing and Fit to Printable Width
  • T-20, TM-T88IV,  & TM-T88V: Check Reduced Size Print; Click OK on the popup window that appears. Fit to Printable Width should be automatically selected.
  • OK your way out of there.


In Firefox:

Under File → Page Setup:

  • Shrink to fit page on Format & Options tab
  • 0,0,0,0 for Margins on Margins & Header/Footer Tab. This makes the receipts use all available space on the paper roll.
  • Set all Headers/Footers to –blank–. This removes all of the gunk you might normally find on a print from firefox, such as the URL, number of pages, etc.
  • Click OK

NOTE: if you already have your receipt printer set up and you’re verifying your receipt printer settings, do the following, next. Skip these steps if this is a brand new receipt printer:

  • Type about:config, in the address bar. Click “I’ll be careful, I promise!” on the warning message.
  • Type, print.always in Filter.
  • Look for print.always_print_silent.
  • Double-click the value to change it to false.

Set/check the default printer settings in Firefox so you don’t see a “Print” dialog and so the receipt prints the correct length and width:

  • Go to File -> Print
  • Set the Printer to the receipt printer.
  • Click the Advanced (or Properties) button
  • Layout Tab: Paper size: Roll Paper 80 x 297mm
  • TM-T88III: Layout Tab: Check Reduce Printing and Fit to Printable Width
  • TM-T88IV & TM-T88V: Check Reduced Size Print; click OK on the popup window that appears. Fit to Printable Width should be automatically selected.
  • OK your way out, go ahead and print whatever page you are on.
  • Type about:config, in the address bar. Click “I’ll be careful, I promise!” on the warning message.
  • Type, print.always in Filter.
  • Look for print.always_print_silent.
    • If the preference is there then set the value to true (double-click the value).
  • If the preference is not there (and it shouldn’t be in most browsers) you have to add the preference.
    • Right click the preference area and select New –> Boolean
    • Type print.always_print_silent in the dialog box and set the value to True. This sets the print settings in Firefox to always use the same settings and print without showing a dialog box.


For Epson TM-T88II (2) Printers:

Register at the EpsonExpert Technical Resource Center website to gain access to the drivers; go to Technical Resources, then choose the printer model from the Printers drop-down list.

In Firefox:

Under File → Page Setup:

  • Check “Shrink to fit page” on Format & Options tab
  • 0,0,0,0 for Margins on Margins & Header/Footer Tab. This makes the receipts use all available space on the paper roll.
  • Set all Headers/Footers to –blank–. This removes all of the gunk you might normally find on a print from firefox, such as the URL, number of pages, etc.
  • Click OK

Set the default printer settings in Firefox so you don’t see a “Print” dialog:

  • Go to File -> Print
  • Set the printer to the receipt printer.
  • Print whatever page you are on.
  • Type about:config, in the address bar. Click “I’ll be careful, I promise!” on the warning message.
  • Type, print.always in Filter.
  • Look for, print.always_print_silent.
    • If the preference is there then set the value to true.
  • If the preference is not there (and it shouldn’t be in most browsers) you have to add the preference.
    • Right click the preference area and select New –> Boolean
    • Type, print.always_print_silent in the dialog box and set the value to True. This sets the print settings in Firefox to always use the same settings and print without showing a dialog box.

CAUTION – Setting the print.always_print_silent setting in about:config DISABLES the ability to choose a printer in Firefox.

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