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HP LaserJet Quick Reference Service Manual: Troubleshooting Ir Printing Problems

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Infrared Communications
(6P, 5P, 5 Only)
The 6P, 5P, and 5 printers feature an infrared (IR) port that is compliant
with the Infrared Data Association (IrDA) standard. (The LaserJet 5
requires an additional transceiver pod.) A status light indicates when
the port is active. The light is located just above the port, which is
located on the lower-left corner of the LJ 6P and the LJ 5P, and on the
pod on the LJ 5.
Note
The IrDA standard for infrared communications represents an
emerging technology. Older portable devices that are not IrDA-
compliant may not be compatible with these printers.

Troubleshooting IR Printing Problems

IR printing problems can be caused by any of the several system
components or by a lack of proper configuration. The following checklist
will help determine the source of the problem.
1 Verify that the user is operating the printer and PC as described in
the user guide: less than 1 meter between devices, and not more
than +/-15 degrees from the direct center.
2 Verify that the host PC or laptop and the printer are IrDA-compliant
and have the necessary hardware components for IR
communication.
3 Verify that the IR software has been loaded on the primary device
(system software from the PC manufacturer).
4 Verify that the host PC or laptop is properly configured. Check the
port assignment, the interrupt request (IRQ) level, and the base
address value. Check both the DOS AUTOEXEC.BAT and
CONFIG.SYS files, and check the Windows system configuration.
EN
Infrared Communications (6P, 5P, 5 Only) – 103
4

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