KX-FL423RU - Panasonic Fax Service Manual (repair manual). Page 7

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7
KX-FL423RU-B / KX-FL423RU-W 
1.3.3.
Laser Beam and Fuser Unit Section
• 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.
• The fuser unit is inside of the unit and gets hot. Do not touch it when removing the jammed paper or cleaning the lower glass.
1.4.
Service Precautions
1.4.1.
Precautions to Prevent Damage From Static Electricity
Electrical charges accumulate on a person. For instance, clothes rubbing together can damage electric elements or change their
electrical characteristics. In order to prevent static electricity, touch a metallic part that is grounded to release the static electricity.
Never touch the electrical sections such as the power supply unit, etc.
1.5.
For Best Performance
• To extend the life of the drum unit, the unit should never be turned OFF immediately after printing. Leave the power turned ON
for a minimum of 30 minutes after printing.
• In the printing process, heat is used to fuse toner onto the page. As a result, it is normal for the machine to produce an odor dur-
ing and shortly after printing. Be sure to use this unit in an area with proper ventilation.
• Do not cover slots or openings on the unit. Inspect the air circulation vents regularly and remove any dust build-up with a vacuum
cleaner.
• If the inside of the unit is dirty, clean it with a soft and dry cloth (especially the lower glass).
• When replacing the toner cartridge or drum unit, do not allow dust, water, or liquids to come in contact with the drum. This may
affect print quality.
• Store unused paper in the original packaging, in a cool and dry place. Not doing so may affect print quality.
• Do not place the unit in an area where the paper tray may be obstructed (i.e., by a wall, etc.).
• Keep the air circulation vents away from walls etc. more than 50 mm to let the unit cool down.
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