unit Unit1;    interface    uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;    type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;    var
  Form1: TForm1;    implementation    {$R *.DFM}
uses printers;
procedure DirectPrint(s:string);
type TPrnBuffRec = record
  BuffLength : word;
  Buffer : array [0..255] of char;
end;
var
  Buff : TPrnBuffRec;
  i,n:integer;
  c:char;
begin
    n:=length(s);
    for i:=1 to n do
    begin
       c:=s[i];
       Buff.Buffer[i-1]:=c;
    end;
    Buff.BuffLength := n;
    Escape(Printer.Canvas.Handle,
           PASSTHROUGH,
           0,
           @Buff,
           nil);
end;    procedure TForm1.Button1Click(Sender: TObject);
begin
  DirectPrint('This is printer ABC !' #13#10);
end;    end.