Dell 2145cn, Service Manual

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Precautions
1-1
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 qualified service engineers.
High voltages and lasers inside this product are dangerous. This printer should only be serviced by a
suitably trained and qualified service engineer.
(2) Use only Dell 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 fire haz-
ards.
(3) Laser Safety Statement
The Printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter
J for Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product con-forming to the
requirements of IEC 825. 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.
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 pre-cautions should always be followed to
reduce risk of fire, electric shock, and injury to persons.
1. Precautions