1. Precautions
1-1
Samsung Electronics
Service Manual
SCX-483x/5x3x series
In order to prevent accidents and to prevent damage to the equipment please read the precautions listed
below carefully before servicing the printer and follow them closely.
1.1 Safety Warning
(1) Only to be serviced by appropriately quali ed service engineers.
High voltages and lasers inside this product are dangerous. This printer should only be serviced by a
suitably trained and quali ed service engineer.
(2) Use only Samsung replacement parts
There are no user serviceable parts inside the printer. Do not make any unauthorized changes or
additions to the printer, these could cause the printer to malfunction and create electric shock or re haz-
ards.
(3) Laser Safety Statement
The printer is certi ed in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter
J for Class I(1) laser products, and elsewhere is certi ed as a Class I laser product conforming to the
requirements of IEC 60825-1:1993 + A1:1997 + A2:2001. Class I laser products are not considered to
be hazardous. The laser system and printer are designed so there is never any human access to laser
radiation above a Class I level during normal operation, user maintenance or prescribed service condition.
• Wavelength: 800 nm
• Beam divergence
- Paraller: 12 degrees
- Perpendicular: 35 degrees
• Maximum power or energy output: 15 mW
WARNING
Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The
reflected beam, although invisible, can damage your eyes. When using this product, these basic safety
precautions should always be followed to reduce risk of fire, electric shock, and injury to persons:
1. Precautions
