Panasonic KX-FL421 User Manual
Page 5

Important Information
5
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Installation and relocation
Laser radiation
LED light
Fuser unit
Note:
L
The area near the recording paper exit (
1) also gets
warm. This is normal.
Toner cartridge
Be careful of the following when you handle the toner 
cartridge:
After moving the unit from cold areas to 
warmer areas, wait approximately 30 
minutes before connecting the unit to allow 
the unit to adjust to the ambient 
temperature. If the unit is connected too 
soon after a sudden climate change, 
condensation may form inside the unit, 
causing malfunction.
Never install telephone wiring during a 
lightning storm.
Never install telephone jacks in wet 
locations unless the jack is specifically 
designed for wet locations.
Never touch uninsulated telephone wires or 
terminals unless the telephone line has 
been disconnected at the network interface.
Use caution when installing or modifying 
telephone lines.
The printer of this unit utilizes a laser. Use of 
controls or adjustments or performance of 
procedures other than those specified 
herein may result in hazardous radiation 
exposure.
CLASS 1 LED PRODUCT
When using the unit, do not look directly at 
the CIS’s LED light. Direct eye exposure can 
cause eye damage.
CIS’s LED light properties
LED radiation output : Max. 1 mW
Wavelength : Green 520 nm typical
Emission duration : Continuous
During or immediately after printing, the 
fuser unit gets hot. This is normal. Do not 
touch the fuser unit.
Fuser unit
If you ingest any toner, drink several glasses 
of water to dilute your stomach contents, 
and seek immediate medical treatment.
If any toner comes into contact with your 
eyes, flush them thoroughly with water, and 
seek medical treatment.
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FL421-PNQX3022ZA-OI-en.book Page 5 Thursday, July 29, 2010 9:35 AM
