HP color laserjet 2550 series Instruction De Maintenance

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Loose toner
Toner smears easily when touched.
In the printer driver, select the Paper tab and set Type is to match the type of paper on
which you are printing. Print speed might be slower if you are using heavy paper.
Check the paper type and quality. Use a different paper, such as high-quality paper
designed for laser printers. See the HP Color LaserJet 2550 Series Printer User Guide
for information about print-media specifications.
Clean the inside of the printer. Open the HP LaserJet Toolbox to use the cleaning page.
See 
The fuser or imaging drum might be damaged.
If the problem is not resolved, see 
.
Repetitive defects on the front
Marks repeatedly appear on the printed side of the page at even intervals.
In the printer driver, select the Paper tab and set Type is to match the type of paper on
which you are printing. Print speed might be slower if you are using heavy paper.
Clean the printer. Open the HP LaserJet Toolbox to use the cleaning page. See 
Use the tools on the Troubleshooting tab of the HP LaserJet Toolbox to correct the
problem.
The imaging drum might be defective. Replace the imaging drum.
The fuser or imaging drum might be damaged.
One of the print cartridges might be defective. Examine the print cartridges and replace
as needed.
If the problem is not resolved, see 
.
ENWW
Solving image-quality problems
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