HP M4345 User Guide - Page 219

Solve print-quality problems, Print-quality problems associated with media, Image defect examples

Page 219 highlights

Solve print-quality problems This section helps you define print-quality problems and what to do to correct them. Often printquality problems can be handled easily by making sure that the device is correctly maintained, using print media that meets HP specifications, or running a cleaning page. Print-quality problems associated with media Some print-quality problems arise from the use of inappropriate media. ● Use media that meets HP specifications. See Select print media. ● The surface of the media is too smooth. Use media that meets HP specifications. See Select print media. ● The moisture content is uneven, too high, or too low. Use media from a different source or from an unopened ream. ● Some areas of the media reject toner. Use media from a different source or from an unopened ream. ● The letterhead you are using is printed on rough media. Use a smoother, xerographic media. If this solves your problem, ask the supplier of your letterhead to use media that meets the specifications for this device. See Select print media. ● The media is excessively rough. Use a smoother, xerographic media. ● The driver setting is incorrect. To change the media type setting, see Control print jobs. ● The media that you are using is too heavy for the media type setting that you selected, and the toner is not fusing to the media. Print-quality problems associated with the environment If the device is operating in excessively humid or dry conditions, verify that the printing environment is within specifications. See Printing and paper-storage environment. Print-quality problems associated with jams Make sure that all sheets are cleared from the paper path. See Clear jams. ● If the device recently jammed, print two to three pages to clean the device. ● If the sheets do not pass through the fuser and cause image defects on subsequent documents, print three pages to clean the device. If the problem persists, print and process a cleaning page. See Clean the device. Image defect examples Use the examples in this image-defect table to determine which print-quality problem you are experiencing, and then see the corresponding reference pages to resolve the problem. These examples identify the most common print-quality problems. If you still have problems after trying the suggested remedies, contact HP Customer Support. ENWW Solve print-quality problems 207

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Solve print-quality problems
This section helps you define print-quality problems and what to do to correct them. Often print-
quality problems can be handled easily by making sure that the device is correctly maintained, using
print media that meets HP specifications, or running a cleaning page.
Print-quality problems associated with media
Some print-quality problems arise from the use of inappropriate media.
Use media that meets HP specifications. See
Select
print
media
.
The surface of the media is too smooth. Use media that meets HP specifications. See
Select
print
media
.
The moisture content is uneven, too high, or too low. Use media from a different source or from
an unopened ream.
Some areas of the media reject toner. Use media from a different source or from an unopened
ream.
The letterhead you are using is printed on rough media. Use a smoother, xerographic media. If
this solves your problem, ask the supplier of your letterhead to use media that meets the
specifications for this device. See
Select
print
media
.
The media is excessively rough. Use a smoother, xerographic media.
The driver setting is incorrect. To change the media type setting, see
Control
print
jobs
.
The media that you are using is too heavy for the media type setting that you selected, and the
toner is not fusing to the media.
Print-quality problems associated with the environment
If the device is operating in excessively humid or dry conditions, verify that the printing environment
is within specifications. See
Printing
and
paper-storage
environment
.
Print-quality problems associated with jams
Make sure that all sheets are cleared from the paper path. See
Clear
jams
.
If the device recently jammed, print two to three pages to clean the device.
If the sheets do not pass through the fuser and cause image defects on subsequent documents,
print three pages to clean the device. If the problem persists, print and process a cleaning page.
See
Clean
the
device
.
Image defect examples
Use the examples in this image-defect table to determine which print-quality problem you are
experiencing, and then see the corresponding reference pages to resolve the problem. These
examples identify the most common print-quality problems. If you still have problems after trying the
suggested remedies, contact HP Customer Support.
ENWW
Solve print-quality problems
207