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unable to open cash drawer delphi 2009

thooloon
thooloon asked
on
1,878 Views
Last Modified: 2012-05-09
i am trying to open a cash drawer connected to a POS receipt printer epson TM-U220 iam using Delphi 2009. i know epson printer driver has a bult in function to eject the drawer after printing or before printing. but i dont want that i want to eject the drawer by code
below is the code i have tried

var
  f: TextFile;
begin
   AssignPrn(f);
  Rewrite(f);
  //Epson
 Writeln(f, chr(27),chr(112),chr(0),chr(25),chr(250));

  CloseFile(f);
end;

i have tried a code like this but says file not found

procedure TForm2.PopDrawer;
var
f: TextFile;
begin
AssignFile(f, 'LPT1');
Rewrite(f);
//Epson
Writeln(f, chr(27),chr(112),chr(0),chr(25),chr(250));
CloseFile(f);
end;


regards
Thooloon
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