Communication
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i want to open cash drower when i print a report how should i do this using Com port or LPT port. can any one help me out there. thanks.
Just a quick guess, but have you tried just printing a ^G (Control-G) to the printer port the drawer is connected to? The last set of cash drawers I worked with were triggered by a simple bell character (Control-G) being sent to the LP port.
Paul Watson wrote: "At the end of the day it is what you produce that counts, not how many doctorates you have on the wall." George Carlin wrote: "Don't sweat the petty things, and don't pet the sweaty things." Jörgen Sigvardsson wrote: If the physicists find a universal theory describing the laws of universe, I'm sure the asshole constant will be an integral part of that theory.