HP laserjet 3390, 3392 all-in-one Manuale Di Servizio
Control-panel display problems
CAUTION
Static electricity can cause unexpected black lines or dots to appear on the all-in-
one control-panel display. Do not touch the all-in-one control-panel display if there is a chance
that you have collected a static electric charge (for example, by walking on carpet in a low-
humidity environment).
that you have collected a static electric charge (for example, by walking on carpet in a low-
humidity environment).
Unexpected lines or dots might appear on the all-in-one control-panel display, or the display might
become blank if the all-in-one is exposed to an electric or magnetic field. To resolve this problem, perform
the following procedure:
become blank if the all-in-one is exposed to an electric or magnetic field. To resolve this problem, perform
the following procedure:
1.
Turn the all-in-one off.
2.
Remove the all-in-one from the electric or magnetic field.
3.
Turn the all-in-one on again.
Convenience-stapler problems (HP LaserJet 3392 only)
The convenience stapler is designed to be free of staple jams. To reduce the risk of staple jams, make
sure that you staple 20 or fewer pages of media (80 g/m
sure that you staple 20 or fewer pages of media (80 g/m
2
or 20 lb) at a time.
The convenience stapler does not staple pages.
Cause
Solution
The convenience-stapler door is not completely closed.
Make sure that the convenience-stapler door is completely
closed.
closed.
The convenience stapler has a staple jam.
Clear the staple jam. See
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Chapter 6 Troubleshooting
ENWW