Ok your saying the drivers are OK, lets start at the printer open control panel >x2 (that’s click twice) on the printer icon you will see your printer in the page that opens right > on that icon > properties> ports and make sure USB virtual printer port button is on, and enable bidirectional support is on (next) >Advanced make sure all thees are on or ticked- always available, spool print docs, start printing immediately, print spooled docs first, enable advanced printing features if all are on or now on post back