6-4
Optional Accessories
6
Optional Accessories
Duplex Unit
The duplex unit DU-67 enables you to perform automatic 2-sided printing. The
duplex unit is to be installed on the rear of the printer unit. The duplex unit can
perform automatic 2-sided printing on plain paper (60 - 90 g/m
2
) of the standard
paper sizes (A3, B4, A4, B5, A5, Ledger (11 x 17), Legal, Letter, Executive, 8K, and
16K) and following custom paper sizes.
• When loading paper in portrait orientation: Width 210.0 to 297.0 mm; Length
210.0 to 431.8 mm
• When loading paper in landscape orientation: Width 210.0 to 297.0 mm; Length
148.0 to 297.0 mm
IMPORTANT
You cannot perform automatic 2-sided printing on heavy paper, transparencies, labels,
and envelopes.
NOTE
•
The duplex unit is designed for LBP3500. You cannot use a duplex unit designed for other
models.
•
For details on the procedure for installing the duplex unit, see "Duplex Unit," on p. 6-23.
Duplex Unit DU-67