Epson EPL-N2700 Service Manual page 5

Laser Beam
The laser beam used for exposing process during
printing is a very powerful, straight, narrow beam of
light that produces extreme heat at its focal point. The
laser beam is this printer is invisible. Although you
cannot see the beam, it can still cause severe damage.
Direct eye exposure to the laser beam may cause eye
injury or blindness. Never place a mirror or a reflective
tool or object in the laser beam path.
To avoid permanent eye damage, follow these directions;
Before starting ay service procedure, switch off the printer power
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and unplug the power cord from the wall outlet.
Do not disassemble the ROS Assembly or any laser component
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that displays Laser Warning Sticker.
Use caution when you are working around the ROS Assembly or
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when you are performing laser related repair procedures.
Do not disassemble the printer in such a way that the laser
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beam can exit the printer engine during a print cycle.
Safety Component
Make sure fuses, interlock switches, covers, and panels are all
functioning properly after you have reinstalled or replaced them.
Warning/Caution Label
WARNING and CAUTION labels are stuck on dangerous parts in the
printer to make you aware of the potential dangers that are present
when you are working with those parts.