Hp LaserJet 3055 User Manual Page 374

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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).
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:
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.
Stapler problems (HP LaserJet 3392 all-in-one)
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
2
or 20 lb) at a time.
356 Chapter 13 Troubleshooting ENWW
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