HP LaserJet 3050 User Manual

13 Troubleshooting
●Troubleshooting checklist
●
Clearing jams
●
Control-panel messages
●
Print problems
●
Fax problems
●
Copy problems
●
Scan problems
●
Network problems
●
Control-panel display problems
●
Stapler problems (HP LaserJet 3392 all-in-one)
●
Troubleshooting PostScript (PS) errors
●
Troubleshooting common Macintosh problems
●
Troubleshooting tools
ENWW 303
 

Troubleshooting checklist
Follow these steps when trying to solve a problem with the all-in-one.
Step
numberVerification stepPossible problemsSolutions
1Is the power on?
When the all-in-one is
connected to a grounded
power source and is turned
on, the control panel shows
Hewlett Packard with moving
cursors indicating that the
firmware code is loading, and
the main motor rotates for
approximately 45 to 60
seconds. When the firmware
is done loading,  Scanner
bulb warming up might
appear on the...

Step
numberVerification stepPossible problemsSolutions
Media does not move smoothly through the
all-in-one paper path.Make sure that media that meets
HP specifications. See Media specifications
Clean the paper path. See 
Cleaning thepaper path .
Print a Configuration page.
See Configuration page .
Poor print quality.See Print quality problems .
If the error persists, contact HP Customer
Care. See 
HP Customer Care  or the
support flyer that came in the all-in-one
box.
4 Does the all-in-one copy?
Place...

Step
numberVerification stepPossible problemsSolutions
If the error persists, contact HP Customer Care. See HP Customer Care or the support
flyer that came in the all-in-one box.
5Does the all-in-one send a
fax?
Connect the telephone line
and press  Start Fax to verify
that a dial tone exists (using a
hand set, if necessary).
Attempt to send a fax.The telephone line is not operational or the
all-in-one is not plugged into the telephone
line.Verify that the all-in-one is plugged into a
telephone line that...

Step
numberVerification stepPossible problemsSolutions
8Does the all-in-one scan to
the computer?
Initiate a scan from the basic
desktop software at your
computer. The cable is not connected correctly.Reconnect the cable.
Software is not installed correctly or an
error occurred during software installation.Uninstall and then reinstall the all-in-one
software. Verify that you are using the
correct installation procedure and the
correct port setting.
If the error persists, turn off the all-in-one and then...

Clearing jams
This section contains instructions for clearing jams from the all-in-one.
Causes of jams
Occasionally, paper or other print media can become jammed during a print job. Some causes
include the following events:
●The input trays are loaded improperly or overfilled, 
or the media guides are not set properly.
● Media is added to or removed from an input tray
 during a print job or an input tray is removed
from the all-in-one during a print job.
● The cartridge door is opened during a print...

Where to look for jams
Jams can occur in these locations:
●Inside the all-in-one
● In output areas
● In the automatic document feeder (ADF)
● In the automatic duplexer (HP LaserJet 3390/3392 all-in-one)
Find and remove the jam by using  the instructions on the following pages. If the location of the jam is
not obvious, first look inside the all-in-one.
Loose toner might remain in the all-in-one after a jam. This problem typically resolves itself after a
few sheets have been printed.
Print cartridge area...

3.With both hands, grasp the side of the media that is most visible (this includes the middle), and
carefully pull it free from the all-in-one.
HP LaserJet 3390/3392
HP LaserJet 3050 HP LaserJet 3052/3055
4.Replace the print cartridge and close the print-cartridge door.
HP LaserJet 3390/3392HP LaserJet 3050 HP LaserJet 3052/3055
5.On the HP LaserJet 3390/3392 all-in-one,  close the rear output door.
310 Chapter 13   Troubleshooting ENWW
 

Input trays (HP LaserJet 3050/3052/3055 all-in-one)
To clear a jam in the input trays, perform the following steps:
CAUTIONDo not use sharp objects, such as tweezers or needle-nose pliers, to remove
jams. Damage caused by sharp objects will not be covered by the warranty.
When removing jammed media, pull the jammed  media straight away from the all-in-one.
Pulling jammed media out of the all-in-one at an angle can damage the all-in-one.
1. Open the tray 1 and pull any visible jammed media out of the...

Input trays (HP LaserJet 3390/3392 all-in-one)
To clear a jam in the input trays, perform the following steps:
CAUTIONDo not use sharp objects, such as tweezers or needle-nose pliers, to remove
jams. Damage caused by sharp objects will  not be covered by the warranty.
When removing jammed media, pull the jammed media straight away from the all-in-one.
Pulling jammed media out of the all-in-one at an angle can damage the all-in-one.
1. Open the rear output door.
2.Rotate the green pressure release levers...