HP LaserJet 3100 All-in-One Printer series - Manual (Page 206)

EN 9 Troubleshooting and Maintenance 205
You received a
message on the
computer screen
that there was an
error printing to
one of the COM
ports. You may have the wrong type of parallel
port, or it may not be properly connected
to the computer.
Another device is 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.
The image or
words on printed
pages is the
wrong size. The N Up feature is selected in the
program you are using (if it has this
feature), or the reduction/enlargement
setting is incorrect in the program or
printer driver. Check the settings in the program you are
using or in the printer driver. See the
online help for printer driver issues.
Problem Cause Solution