Andrus,

I don't know why the print spooler must be turned off. Don't confuse the print spooler with the printer driver. I use the print spooler with an HP LaserJet printer and use ??? to send PCL commands to the printer without the windows printer driver hosing the codes.

>for this type of lpt control, the printer spooler must be turned off.
>Set "Print directly to printer" from Control Panel/Printers.
>
>In this case, this "???" command produces message
>
>"Error accessing printer spooler"
>
>and will not work at all.