<s>
The	O
IBM	B-Device
Printer	I-Device
Model	I-Device
4	I-Device
was	O
a	O
dot-matrix	O
point-of-sale	O
printer	O
launched	O
in	O
1991	O
.	O
</s>
<s>
It	O
and	O
its	O
successor	O
,	O
the	O
IBM	B-Device
4610	I-Device
,	O
nowadays	O
,	O
it	O
's	O
really	O
few	O
still	O
in	O
use	O
by	O
retailers	O
.	O
</s>
<s>
The	O
previous	O
Printer	O
Model	O
3	O
was	O
released	O
as	O
part	O
of	O
IBM	B-Device
4683	I-Device
POS	O
system	O
equipment	O
line	O
;	O
The	O
Model	O
4	O
was	O
a	O
little	O
updated	O
version	O
of	O
Model	O
3	O
,	O
upgraded	O
to	O
support	O
of	O
new	O
IBM	B-Device
4694	I-Device
POS	O
system	O
.	O
</s>
