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210 Solving problems with the printer
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Color printing problems
Printing black instead of color
Problem Solution
Color mode is not selected in your software
application or printer driver.
Select color mode instead of grayscale or
monochrome mode in your software
application or printer driver.
The correct printer driver is not selected in
your software application.
Select the correct printer driver.
The printer is not properly configured. Verify the printer configuration by printing a
configuration page.
No color appears on the configuration page. Consult your service representative.
Missing color or incorrect shade
Problem Solution
Your media does not meet the specifications
for this printer.
See the HP LaserJet Printer Family Paper
Specification Guide.
See Appendix D
or http://www.hp.com/
support/lj4550 for HP LaserJet Family Paper
Specification Guide ordering information.
For downloadable manuals, go to http://
www.hp.com/support/lj4550. When you
connect, select Manuals.
You are operating the printer in excessively
humid conditions.
Verify that the printer’s environment is within
humidity specifications.
The toner density sensor may need cleaning. Clean the toner density sensor (see “Cleaning
the toner density sensor” on page 149).