Brother HL-1260E - Manual (Page 168)

USER’S GUIDE
5–12
When the duplex unit is installed, paper handling and capacity of the
upper paper cassette changes as follows:
For Duplex
paper source available size
all sources for duplex
printing (DX) cut sheet : letter, legal, A4, ISO
B5(except T2) and Executive
The upper paper cassette with duplex installed
paper source available size capacity
the upper paper
cassette (T1) cut sheet : letter, legal, A4,
ISO B5, Executive
A5
ISO B6
A6
envelope : COM 10
Monarch
C5
DL
ISO B5 :250 sheets/27.5mm
:250 sheets/27.5mm
:200 sheets/24.5mm
:140 sheets/17.5mm
: 80 sheets/10.0mm
: 15 sheets/20.5mm
: 15 sheets/20.5mm
: 15 sheets/20.5mm
: 15 sheets/20.5mm
: 15 sheets/20.5mm