Posso ovviare così...
codice:
$pen = printer_create_pen(PRINTER_PEN_SOLID, 5, "000000");
$pen2 = printer_create_pen(PRINTER_PEN_DASHDOT, 15, "FFFFFF");
$font =printer_create_font('Arial', 148, 76, PRINTER_FW_MEDIUM, false, false, false, -50);
$font2 =printer_create_font('Trebuchet MS', 148, 76, PRINTER_FW_MEDIUM, false, false, false, -50);
printer_select_font($font);
printer_draw_text($stampante,"prova!", 54, 54);
printer_delete_font($font);
printer_select_pen($pen);
printer_draw_line($stampante, 44, 44, 44, 504);
printer_delete_pen($pen);
printer_select_pen($pen2);
printer_draw_line($stampante, 74, 70, 64, 304);
printer_delete_pen($pen2);
printer_select_font($font2);
printer_draw_text($stampante,"prova!", 200, 10);
printer_delete_font($font2);
sarà una lunga sudata