HP 2550L HP Color LaserJet 2550 series - User Guide - Page 118

Dropouts, Vertical lines, Troubleshooting

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Dropouts Faded areas, generally rounded, occur randomly on the page. ● A single sheet of print media might be defective. Try reprinting the job. ● The moisture content of the paper is uneven or the paper has moist spots on its surface. Try different paper, such as high-quality paper intended for laser printers. See Printmedia specifications. ● The paper lot is flawed. The manufacturing processes can cause some areas to reject toner. Try a different brand of paper, such as high-quality paper intended for laser printers. See Print-media specifications. ● The imaging drum might be defective. See Repetitive defects on the front. ● If these steps do not correct the problem, contact HP Customer Care. See HP customer care or the support flyer that came in the printer box. ● If the problem is not resolved, see If the problem is not resolved. Vertical lines Vertical streaks or bands appear on the page. ● One or more print cartridges are low or defective. Print the Supplies Status page to check the remaining life. If you are using non-HP print cartridges, no messages appear on the printer control panel or in the HP Toolbox. ● Clean the printer by using a cleaning page. See Cleaning the printer. ● Use the tools on the Troubleshooting tab of the HP Toolbox to correct the problem. ● If the problem is not resolved, see If the problem is not resolved. 108 Chapter 7 Problem solving ENWW

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Dropouts
Faded areas, generally rounded, occur randomly on the page.
●
A single sheet of print media might be defective. Try reprinting the job.
●
The moisture content of the paper is uneven or the paper has moist spots on its surface.
Try different paper, such as high-quality paper intended for laser printers. See
Print-
media
specifications
.
●
The paper lot is flawed. The manufacturing processes can cause some areas to reject
toner. Try a different brand of paper, such as high-quality paper intended for laser
printers. See
Print-media
specifications
.
●
The imaging drum might be defective. See
Repetitive
defects
on
the
front
.
●
If these steps do not correct the problem, contact HP Customer Care. See
HP
customer
care
or the support flyer that came in the printer box.
●
If the problem is not resolved, see
If
the
problem
is
not
resolved
.
Vertical lines
Vertical streaks or bands appear on the page.
●
One or more print cartridges are low or defective. Print the Supplies Status page to
check the remaining life. If you are using non-HP print cartridges, no messages appear
on the printer control panel or in the HP Toolbox.
●
Clean the printer by using a cleaning page. See
Cleaning
the
printer
.
●
Use the tools on the
Troubleshooting
tab of the HP Toolbox to correct the problem.
●
If the problem is not resolved, see
If
the
problem
is
not
resolved
.
108
Chapter 7
Problem solving
ENWW