HP (Hewlett-Packard) 4550 Printer User Manual


 
188 Solving problems with the printer
EN
Output is curled or wrinkled
Cause Solution
Media does not meet the specifications for this
printer.
Only use media that meets the media-use
specifications for this printer (see Supported
media weights and sizeson page 67).
Media is damaged or in poor condition. Remove media from the input tray and load
media that is in good condition.
Printer is operating in an excessively humid
environment.
Verify that the printing environment is within
humidity specifications.
You are printing large, solid-filled areas. Large, solid-filled areas can cause excessive
curl. Try using a different pattern.
Media used was not stored correctly and may
have absorbed moisture.
Remove media and replace it with media from
a fresh, unopened package.
Media has poorly cut edges. Remove media, flex it, rotate it 180 degrees or
turn it over, and then reload it into the input
tray. If the problem persists, replace the media.
You are printing to the top output bin. Use other output bin.
Printer will not duplex
Cause Solution
Printer is not recognizing the duplex printing
accessory.
Print a configuration page to verify
configuration. Set up the printer driver to
recognize the duplex printing accessory. Verify
that the duplex printing accessory power cord
is plugged in.
You are trying to duplex on an unsupported
media.
Verify that the media you are using is
supported for duplex printing.
The door to the rear output bin is open. Close the door to the rear output bin.