<s>
The	O
HP	B-Device
LaserJet	I-Device
2400	I-Device
series	I-Device
was	O
a	O
line	O
of	O
grayscale	O
laser	O
printers	O
sold	O
by	O
Hewlett-Packard	O
.	O
</s>
<s>
It	O
was	O
the	O
successor	O
to	O
the	O
HP	B-Device
LaserJet	I-Device
2300	I-Device
series	I-Device
,	O
and	O
was	O
in	O
turn	O
replaced	O
by	O
the	O
HP	B-Device
LaserJet	I-Device
P3000	I-Device
series	I-Device
.	O
</s>
<s>
The	O
HP	B-Device
LaserJet	I-Device
2400	I-Device
series	I-Device
consists	O
of	O
the	O
following	O
models	O
:	O
</s>
<s>
For	O
example	O
the	O
LaserJet	O
2430dtn	O
has	O
a	O
duplexer	O
,	O
and	O
extra	O
tray	O
and	O
an	O
internal	O
10/100	B-Protocol
Ethernet	I-Protocol
JetDirect	O
card	O
.	O
</s>
