Installing and troubleshooting 7
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Windows: During the software installation, you or the installation software chose an 
interface connection. For USB use the following instructions. For parallel, skip to “If 
you are using parallel.”
For USB: Connect the USB cable between the USB port on the scanner and the 
USB port on the computer.
If you are using parallel:
 a Shut down the computer. If you do NOT have a printer, skip to step c.
 b Disconnect the printer parallel cable from your computer and connect it to 
the parallel port on the scanner (printer icon).
 c Connect your computer to the remaining parallel port on the scanner 
(computer icon) using a parallel cable.
Do NOT connect the USB cable.
Note: If your scanner did not come with a parallel cable and you need to use a 
parallel connection (you don't have USB), see the read me file for 
information on how to purchase the correct parallel cable (HP part 
number C9874A).
parallel port
USB port