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HP LaserJet 4L - Site Requirements

HP LaserJet 4L
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Operating Requirements
SiteRequirements
Site Requirements
Operating Environment
The environmental specifications listed in the “Specifications”
section of Chapter 1 must be maintained to ensure the proper
operation of this printer. Consider the following points before
installing the printer:
Install in a well-ventilated, dust-free area. (Excess dust or
smoke will contaminate the printer’s Beam-to-Drum mirror,
affecting print quality. )
Install on a hard, flat and continuous surface, with all four
printer feet level. Do not install on carpet or other soft surfaces.
Ensure adequate power supply circuitry. Printer current
requirements can be found under “Specifications,” in Chapter 1.
Lighting Flicker: In an effort to reduce energy consumption,
the fuser is turned on only when needed during printing.
During standby mode, the fuser is not kept warm. When the
printer is installed in a home, the instant-on fuser may cause
some house lights to flicker when printing. This phenomenon is
seen in many instant-on products, such as copiers, and will NOT
affect printing, nor will it harm the electrical system in any way.
To reduce a flicker effect, plug the printer into a different outlet
that may be on a separate circuit, or try fluorescent lighting. If
possible, add to the room’s natural lighting. (Surge suppressers
will not prevent flickering lights.)
Install where there is stable temperature and humidity,
with no abrupt changes (away from water sources, humidifiers,
air conditioners, refrigerators, or other major appliances).
Install away from direct sunlight, open flames, or ammonia
fumes. If the printer is placed near a window, make sure the
window has a curtain or blind to block any direct sunlight.
Install with enough space around the printer for proper
access and ventilation (see Figure 2-l).
2-2

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