HP Color LaserJet 4600 Printer series - Manual (Page 177)

ENWW 163
Note If the printer still continues to jam, contact HP Customer Support or
your authorized HP service provider. For more information, see
http://www.hp.com/support/lj4600 .
Printer supply items have reached
the end of their useful life. Check the printer control panel for
messages prompting you to replace
supplies, or print a supplies status
page to verify the remaining life of the
supplies. See
Replacing supplies for
more information.
Media was not stored correctly. Replace the print media. Media
should be stored in the original
packaging in a controlled
environment.
Cause Solution