HP LaserJet 9040.9050 Multifunction Printer series User Manual

Page 168

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164 Chapter 10 Problem solving

ENWW

Computer software
problem.

Check that your computer is working correctly by printing from a
program you know works, or by printing a plain text file to see if the
problem is with your program or with your driver. (For example,

C:\dir>LPTn

where

n

is the number of the computer port the MFP is

connected to, for example LPT1.) To print the page, you might have to
send a form feed command from your computer.

Control-panel settings,
such as

RESOLUTION

or

ORIENTATION

, do not work

or are ignored.

Software commands override control-panel settings (see

Using control

panel menus

for information about how your program works with

control panel settings).

Data from a previous print
job is still in the MFP buffer.

Make sure that you are using the correct driver.

A complex print job might still be processing.

Make sure the MFP is not paused. Make sure the control panel
reads

PROCESSING JOB

. If the MFP is paused, press

S

TART

to

resume printing.

Pull out the print cartridge and check for jammed media. Reseat
the print cartridge.

Open Trays 2 and 3. Make sure that the appropriate media is
inserted (see

Media specifications

). Close the trays.

Data is missing, but there
are no MFP messages.

Check your software application to be sure the print file contains
no errors.

Check your cable to make sure it is securely connected to both the
MFP and the computer.

Your parallel cable might be defective. Use a high-quality cable.
(See

Parts and accessories

or go to

www.hp.com/support/

lj9040mfp

or

www.hp.com/support/lj9050mfp

for an HP cable part

number.)

Check your network connection.

Data light is flashing, but
nothing prints.

Make sure that you are using the correct driver.

A complex print job might still be processing.

Make sure the MFP is not paused. Make sure the control panel
reads

PROCESSING JOB

.

Pull out the print cartridge and check for jammed media. Reseat
the print cartridge.

Open Trays 2 and 3. Make sure that the appropriate media is
loaded (see

Media specifications

). Close the trays.

Driver might not be set up
to print on both sides of the
paper.

Make sure that the option to print on both sides of the paper is properly
configured in the driver.

Duplex printing accessory
jams.

Make sure that you are using the supported paper weights and sizes
(see

Media specifications

).

First page takes much
longer to print than
following pages.

Make sure that the MFP displays

READY

.

Set the

Sleep

feature for a longer time period (See

Configuration

page

). If a page takes longer to print due to complex formatting

commands, changing the

Sleep

setting might not improve print

speed. You might want to simplify the page.

Situation

Solution

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