HP LaserJet 9050 Printer series - Manual (Page 135)

ENWW Solving common printer issues 133
Solving common printer issues
Troubleshooting checklist
● Ensure that media that is loaded into the trays is from a freshly opened ream, contains no
defects, and is installed correctly with the paper guides adjusted.
● Verify that the product is using a dedicated circuit and is plugged directly into the wall.
Note For more information about an optional HP output device, see the user guide that came with the
device.
Situation Solution
Correct size of paper is not
loaded. Check paper trays to be sure the correct sizes are loaded as
configured. Also, check that guides are set correctly.
Display is blank, and
internal fans are not
running. Make sure that the printer power is on. Press all of the buttons on the
printer control panel to see if one is stuck; contact your HP-authorized
service representative if this does not resolve the problem.
Messages appear in the
display. See Understanding printer messages .
Paper is jammed in the
printer. Check for paper jams (see Clearing jams ).
Printer display is in the
wrong language or shows
unfamiliar characters. Reconfigure the control-panel display language. See the Getting
Started Guide, or press
while simultaneously pushing the power
switch ON. Hold until SELECT LANGUAGE appears, and then release
. Use and to select the appropriate language. Press
to save your selection. The control-panel display will indicate that the
printer is ready to use. If the new language does not appear in the
display, you might not have pressed
to save your new selection.
Printer is not working at all. Plug the AC power cord firmly into the grounded power receptacle and
into the printer. (Be sure the power source is energized.)
Printer is turned on, but
internal fans are not
running. Make sure the line voltage is correct for the printer power configuration.
(See the plate next to the power receptacle on the back of your printer
for voltage requirements.) If you are using a power strip and its voltage
is not within specification, plug the printer directly into the power
receptacle.
Printer voltage is not
correct. Make sure line voltage is in the correct range. (See the product label
next to the power receptacle on the back of the printer for voltage
requirements.)