user manual

A
Duplexer
This Appendix contains a functional overview of the Optional
Duplexer, as well as step-by-step Installation and Removal &
Replacement instructions.
The Optional Duplexer, when used with the LaserJet 4 Plus/5
printer, allows printing on both sides of the paper. It may be used
with the optional 500-sheet Lower Cassette or with the printer
alone.
Note
The Duplexer works only with the LaserJet 4
Plus or LaserJet 5 printer. It is not supported on
the LaserJet 4.
Duplexer A -1