HP color laserjet 2550 series Manuale Di Servizio

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Make sure that the printer has adequate ventilation by verifying that the fan is not
blocked.

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Plug the printer directly into a wall outlet. Do not use a power-strip or a UPS.

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Turn over the stack of paper in the tray. Also try rotating the paper 180 degrees in the
input tray.

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Set the correct type in the printer driver. Heavier paper might take longer to print.

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Open the rear output door to print to the straight-through paper path.

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Check the paper type and quality. Both high temperature and humidity will cause paper
curl. Try a new, unopened ream of paper or try using 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.

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If the problem is not resolved, see 

.

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Make sure that the paper or other print media is loaded correctly and that the guides are
not too tight or too loose against the stack. See 

●

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.

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Clean the printer (see 

●

Calibrate the printer (see 

).

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If the problem is not resolved, see 

.

ENWW

Solving image-quality problems