In the Print Driver:

We are using version 5,0,3,0 of the Epson TM-T88III print driver; the EPSON TM-T88IV version is ReceiptE4. 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.

Go to your printer properties: Click Start → Printers and Faxes → Right click the receipt printer → Properties: (XP)

• 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
• TM-T88IV: 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

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.
• 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: 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.
• 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. See Using Portable Firefox as a Koha Client for a way to allow your users to print to any printer from their locally installed Firefox.