Инструкции По Обслуживанию для HP color laserjet 2550 series

One or more colors are not printing, or are inaccurate.

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You have changed the color settings manually. Return the color setting to Automatic.

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Windows: On the Color tab of the printer driver, click Automatic.

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Mac OS: In the Print dialog box, select the Color Options tab, and then select
Automatic.

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Turn the printer off and then on again.

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Your print media does not meet the specifications for this printer. Use a different paper,
such as a 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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You are operating the printer in excessively humid or dry conditions. Verify that the
printer environment is within humidity specifications.

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A print cartridge might be low on toner. Check the printer control panel, print a Supplies
Status page, or view the HP LaserJet Toolbox to see supplies status. (If you are using a
non-HP cartridge, none of these sources will provide information about a low or empty
print cartridge.) If a cartridge is low on toner, replace the print cartridge.

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Clean the sensors and perform a calibration. See 

.

ENWW

Solving image-quality problems