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HP LaserJet 3050z User Manual

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Page 351

3.Click  Properties , or click Printing Preferences .
4. Change the settings, and click  OK.
Identifying and correcting print defects
Use the checklist and print-quality issues charts in this section to solve print-quality problems.
Print-quality checklist
General print-quality problems can be solved by using the following checklist:
1. Make sure that the paper or print media that you are using meets specifications. See 
Media
specifications. Generally, smoother paper provides better results.
2. If you...

Page 352

ProblemCauseSolution
If the whole page is light, the print
density adjustment is too light or
EconoMode might be turned on.Adjust the print density, and disable
EconoMode in the all-in-one Properties.
Toner specks appear.The media might not meet
HP specifications.Use media that meets
HP specifications. See Mediaspecifications.
The paper path might need cleaning.Clean the paper path. See Cleaningthe paper path, or see the
HP ToolboxFX online Help.
Dropouts appear.A single sheet of print media might be...

Page 353

ProblemCauseSolution
The amount of background toner
shading becomes unacceptable.The media might not meet
HP specifications.Use a different paper with a lighter
basis weight. See Media specifications.
The single-sheet priority input tray
might be installed incorrectly.Make sure that the single-sheet priority
input tray is in place.
The print-density setting is too high.Decrease the print-density setting
through HP  ToolboxFX or the
embedded Web server. This decreases
the amount of background shading....

Page 354

ProblemCauseSolution
The paper path might need cleaning.Clean the all-in-one. See Cleaning theall-in-one.
The print cartridge might be damaged.If a repetitive mark occurs at the same
spot on the page, install a new HP print
cartridge. See 
Changing the printcartridge.
The printed page contains misformed
characters.The media might not meet
HP specifications.Use a different paper, such as high-
quality paper that is intended for laser
printers. See 
Media specifications .
If characters are incorrectly...

Page 355

ProblemCauseSolution
The printed page contains wrinkles or
creases.The media might be loaded incorrectly
or the input tray might be too full.Turn over the stack of paper in the
input tray, or try rotating the paper 180°
in the input tray.
Verify that the media is loaded
correctly and that the media guides are
not too tight or too loose against the
stack. See 
Loading media into theinput trays.
The media might not meet
HP specifications.Use a different paper, such as high-
quality paper that is intended...

Page 356

Print-media guidelines
●For best results, make sure that the paper is of good quality, and free of cuts, nicks, tears,
spots, loose particles, dust, wrinkles, voids, 
staples, and curled or bent edges.
● For best-quality printing, use a smooth type of paper. Generally, smoother media produces
better results. For more information, see 
Media specifications.
● If you are unsure what type of paper you are loading (such as bond or recycled), check the label
on the package of paper.
● Do not use media that is...

Page 357

ProblemCauseSolution
construction or it is embossed or from
a faulty paper lot.
Print is skewed (crooked).The media guides might be incorrectly
adjusted.Remove all media from the input tray,
straighten the stack, and then load the
media in the input tray again. Adjust
the media guides to the width and
length of the media that you are using
and try printing again.
More than one sheet feeds at one time.The media tray might be overloaded.Remove some of the media from the
tray. See 
Loading media into the...

Page 358

ProblemCauseSolution
The media is jamming in the all-in-one.Clear the jam. See Clearing jams.
The USB cable might be defective or
incorrectly connected. ● Disconnect the USB cable at both
ends and reconnect it.
● Try printing a job that has printed
in the past.
● Try using a different USB cable.
Other devices are running on your
computer. The all-in-one might not share a USB
port. If you have an external hard drive
or network switchbox that is connected
to the same port as the all-in-one, the
other...

Page 359

Fax problems
Problems receiving faxes
Use the table in this section to solve problems that might occur when receiving faxes.
NOTEYou must use the fax cord that came with the all-in-one in order to ensure that the all-
in-one functions correctly.
ProblemCauseSolution
The all-in-one cannot receive faxes
from an extension telephone.The extension-telephone setting might
be disabled.See Making an extension telephone
available to receive faxes  for
instructions about changing this setting.
The fax cord might...

Page 360

ProblemCauseSolution
The telephone line might not be working.Do one of the following:
●Increase the volume on the all-in-
one, and then press 
Start Fax on
the control panel. If you hear a
dial tone, the telephone line is
working.
● Disconnect the all-in-one from the
telephone jack, and then connect
a telephone. Try to make a
telephone call to verify that the
telephone line is working.
Incoming fax calls are not being
answered by the all-in-one.A voice-messaging service might be
interfering with the...
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