Safety Instructions 23
Ozone safety
Ozone emission
Ozone gas is generated by laser printers as a by-product of the
printing process. Ozone is produced only when the printer is
printing.
Ozone exposure limit
The recommended exposure limit for ozone is 0.1 parts per
million (ppm) expressed as an average time-weighted
concentration over an eight (8) hour period.
The Epson laser printer generates less than 0.1 ppm for eight (8)
hours of continuous printing.
Minimize the risk
To minimize the risk of exposure to ozone, you should avoid the
following conditions:
❏ Use of multiple laser printers in a confined area
❏ Operation in conditions of extremely low humidity
❏ Poor room ventilation
❏ Long, continuous printing together with any of the above
Printer location
The printer should be located so that the exhaust gases and heat
generated are:
❏ Not blown directly into the user’s face
❏ Vented directly out of the building whenever possible
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