TA Triumph-Adler LP 4022 - Manual (Page 11)

OPERATION GUIDE ix
DANGER:
INVISIBLE LASER RADIATION WHEN OPEN. AVOID
DIRECT EXPOSURE TO BEAM.
CAUTION: Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
Caution Labels
The printer bears any of the following labels.
For Europe, Asia,
and other countries
Label inside the machine (Laser radiation
warning)
Label inside the rear
Ozone concentration
The printers generate ozone gas (O
3
) which may concentrate in the place
of installation and cause an unpleasant smell. To minimize the
concentration of ozone gas to less than 0.1 ppm, we recommend you not
to install the printer in a confined area where ventilation is blocked.