Dot matrix printers
Dot
matrix
printers
form charaders with pauerns
of
dolS.
llley'rc
fast, economical, ideal for graphics.
and
finc for draflS, mcmos,
and personal letters. Because
of
the way they form charnders, dot
matrix printers can produce a wide variety
of
type sizes, typefaces,
and
graphics-so
you
can
create headlines
and
other
special
clTeets. Whcn
cquipped
wiLh
a color ribbon,
some
dOl matrix
primers print words and graphics
in
color.
When shopping for
a printer, look closely
at
primouts.
If
you
can
see the dots that make
up
each character, you might not
wanlthe
printer for professional use (except, perhaps, for preliminary
drafts). The lext produced by a
good
dOl
malrix primer, howcver,
can
be
almost indistinguishable from text
produced
by a typewriter
or
a daisy wheel printer. The final choice
depends
on
your needs.
Daisy
wheel
printers
Daisy
wheel
printers,
also known
as
letter quaf(typrtruers, arc
essentially high-speed, high-quality typewriters. They are much
slower and more expensive lhan dot matrix
or
thermal transfer
printers, but if you wam your work
10
look
as
if
it
was produced
on
a
high-quality typewriter, you may
need
a daisy wheel primer. l\Iosl
daisy wheel primers use a circular print wheel
(thallooks
something
like a daisy)
lO
lype characters.
Thermal transfer printers
Thermal
transfer
printers
"bum"
characters onto paper. They arc
inexpensive and quiet. The print quality varies dramatically among
different kinds
of
thermal primers. Some
arc
good
enough
for
correspondence; others are suitable only for drafts and interofftce
memos. Most thermal printers require eiLher specially treated
paper
or
specially treated ribbon. Check the prices
of
these
accessories before buying
a lhcrmal primer. Accessories
can
make
a thermal primer fairly expensive in the long run.
90
Chapter
6:
Peripheral Devices
-
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