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When we go to finish a sale the POS will freeze and take any where form 30 sec. to 2 mins. to print a reciept, it is an epson printer. We have reloaded the POS software to no help, all other functions work fine.
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Are you printing a logo to the printer? This can be very slow with an opos printer with a slow baud rate. This would look like the POS is freezing.
If yes and using opos, increase the baud rate on the printer. If you tell us the brand and model of printer we could help. Also need to know if opos drivers or windows drivers.
What printer are you using? I've seen problems from TM-T20II.
Somehow TM-T20II does not work with OPOS. I've used Windows Driver to run.
Also check whether there are any Tender End / Print Hooks in your POS. But highest chance will be as said by Nhat Le
Are you using OPOS Printer?
If yes, try to stop the Printer Spooler service and do a test sale to see if it fixes the issues.
Some how when you configure the printer as OPOS printer, the Window auto detects/installs the printer driver for that printer if it is connected via parallel port
So you will have OPOS printer and Window printer for same device; hence a conflict occurs
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