HP 3100 HP LaserJet 3100 - Product User's Guide, C3948-90970 - Page 209

port as the HP LaserJet 3100 product, the, other device may be interfering. You must

Page 209 highlights

Problem Cause Solution The message on the computer screen says there was a problem opening scanner. Unable to activate TWAIN source. If you are copying from the software, you Be sure that you have connected the may have the wrong type of parallel port, parallel cable that came in your package or it may not be properly connected to the to the correct parallel port on the back of computer. your computer. If you have another parallel port, try attaching the parallel cable to the other port. Make sure you have an SPP- (bi-directional) or ECP- compliant parallel port on your computer. An SPP parallel port is the minimum; an ECP parallel port is strongly recommended. For more information on your parallel port, please see appendix C and your computer's documentation. If you are copying from the software, The HP LaserJet 3100 product cannot another device may be conflicting with the share a parallel port. If you have a sound parallel port. card, external hard drive, or network switchbox connected to the same parallel port as the HP LaserJet 3100 product, the other device may be interfering. You must unhook the other device to connect and use the HP LaserJet 3100 product, or you must use two parallel ports on the computer. You may need to add another parallel interface card. An ECP parallel interface card is strongly recommended. Please see appendix C or your computer's documentation for information on installing an additional parallel interface card or resolving conflicts. 208 9 Troubleshooting and Maintenance EN

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208
9 Troubleshooting and Maintenance
EN
The message on
the computer
screen says there
was a problem
opening scanner.
Unable to activate
TWAIN source.
If you are copying from the software, you
may have the wrong type of parallel port,
or it may not be properly connected to the
computer.
If you are copying from the software,
another device may be conflicting with the
parallel port.
Be sure that you have connected the
parallel cable that came in your package
to the correct parallel port on the back of
your computer. If you have another
parallel port, try attaching the parallel
cable to the other port. Make sure you
have an SPP- (bi-directional) or ECP-
compliant parallel port on your computer.
An SPP parallel port is the minimum; an
ECP parallel port is strongly
recommended. For more information on
your parallel port, please see appendix C
and your computer’s documentation.
The HP LaserJet 3100 product cannot
share a parallel port. If you have a sound
card, external hard drive, or network
switchbox connected to the same parallel
port as the HP LaserJet 3100 product, the
other device may be interfering. You must
unhook the other device to connect and
use the HP LaserJet 3100 product, or you
must use two parallel ports on the
computer. You may need to add another
parallel interface card. An ECP parallel
interface card is strongly recommended.
Please see appendix C or your
computer’s documentation for information
on installing an additional parallel
interface card or resolving conflicts.
Problem
Cause
Solution