You may be able to resolve this problem if you click to clear the Check PORT State Before Printing check box. To do this: 

• Click Start, point to Settings, and then click Printers.
• Right-click the PRINTER that you want to use, and then click Properties.
• Click Port Settings on the Details tab, and then click to clear the Check Port State Before Printing check box.
• Click OK.

The basic input/output SYSTEM (BIOS) in some computers INCORRECTLY reports the printer port as being busy or not available. By default, Windows checks for these errors. When you click to clear the Check Port State Before Printing check box, Windows ignores these messages.

If you continue to have problems, use LPT1.DOS as the printer port. To ADD this port:

• Click Start, point to Settings, then click Printers.
• Right-click the printer that you want to use, and then click Properties.
• On the Details tab, click Add Port.
• Click Other, click Local Port, and then click OK.
• In the Enter A Port Name box, type LPT1.DOS, and then click OK.

You may be able to resolve this problem if you click to clear the Check Port State Before Printing check box. To do this: 

The basic input/output system (BIOS) in some computers incorrectly reports the printer port as being busy or not available. By default, Windows checks for these errors. When you click to clear the Check Port State Before Printing check box, Windows ignores these messages.

If you continue to have problems, use LPT1.DOS as the printer port. To add this port: