We use a cashier machine which prints through serial port (currently Epson LX300+).
We would like to use our Windows based workstations to use the laser printer as a replacement the old, space wastly, and expensive matrix printer.
.NET (C#,VB.NET) implementation is preferred if possible, but not required.
Correct error handling, will run 24 hours a day as service. Automatically restart if anything wrong happens.
1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done.
2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request.
3) Exclusive and complete copyrights to all work purchased. (No GPL, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site).
Windows 2000, Windows XP (maybe, but not required W98)
Run as system service a must.