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NCR k590 POS printer problem
I am developing application that uses k590 POS printer to print receipts.
I am programming in Delphi under WinXP. For printing I used simple assign/rewrite/write combination to send pure ESC sequences to printer, and everything worked OK. But, when PC is shut down and started again application doesn't print!!! I concluded it is about 'disabled' COM port and I tryed to open it using Windows API. I have set up all the parameters etc., but still I can not use the printer! Does someone know what else could I do? When using standard OPOS ocx library for POS printer it works, but I can not set condensed fonts by sending ESC through OPOS. |
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