Introduction
v
Conforming to the Class B limits
❒ EF-1 Envelope Feeder
❒ DU-20 Duplexer (for FS-3750)
❒ DU-21 Duplexer (for FS-1750/FS-3750)
❒ HS-20 Paper Handler/Stacker (for FS-3750)
❒ HS-21 Paper Handler/Stacker (for FS-1750/FS-3750)
❒ PF-20/PF-20mini Paper Feeder (for FS-3750)
❒ PF-21/PF-21mini Paper Feeder (for FS-1750/FS-3750)
❒ SO-6 Sorter/Stacker
❒ ST-20 Bulk Paper Stacker
Interface connectors
Important note on the interface connectors
Be sure to turn off printer power before connecting or disconnecting an interface cable to the
printer. For protection against static discharge which may be applied to the printer's inter-
nal electronics through the interface connector(s), keep any interface connector which is not
in use capped using the protective cap supplied.
☛
Use shielded interface cable.
Safety information
Laser safety
This printer is certified as a Class 1 laser product under the U.S. Department of Health and
Human Services (DHHS) Radiation Performance Standard according to Radiation Control
for Health and Safety Act of 1968. This means that the printer does not produce hazardous
laser radiation. Since radiation emitted inside the printer is completely confined within
protective housings and external covers, the laser beam cannot escape from the printer dur-
ing any phase of user operation.
Laser notice
This printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Sub-
chapter for Class I (1) laser products, and elsewhere is certified as a Class I laser product
conforming to the requirements of IEC 825-1.
Caution:
Laser radiation when open. DO NOT STARE INTO BEAM OR VIEW DIRECTLY
WITH OPTICAL INSTRUMENTS.
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