22
Elements of Card Design
Test Bar Codes
Always
test
the
readability
of
bar
codes
under
production
conditions.
Factors
to
consider
include:
If
you
cards
one
at
a
time,
the
samples
using
that
method.
If
you
cards
in
batch
(many
cards
sent
to
the
printer
at
the
same
time),
use
a
production
‐
sized
batch
and
evaluate
cards
from
the
beginning,
middle,
and
end
of
the
batch.
Use
exactly
the
same
card
stock
for
testing
that
you
use
for
production.
The
card
stock
can
affect
the
readability
of
bar
codes.
Usually,
a
white
surface
that
reflects
light
in
many
directions
is
needed.
Test
cards
before
purchasing
production
quantities.
Include
other
card
design
components
that
you
use
in
production,
such
as
topcoat.
Use
the
same
bar
code
readers
as
users
have,
and
test
each
card
multiple
times
to
simulate
any
wear
the
card
might
experience.
Also
test
multiple
cards.
Card Design Changes That Affect Bar Codes
If
you
make
substantial
changes
to
the
way
you
produce
cards,
review
your
setup
tasks
to
make
sure
that
cards
continue
to
have
the
quality
you
require.
Changes
that
can
affect
bar
codes
include:
Purchasing
a
new
brand
of
card
stock,
which
can
change
the
color
of
some
images.
Changing
to,
or
from,
preprinted
cards,
which
can
change
the
color
of
some
images.
If
you
change
the
design
of
your
cards,
or
if
you
start
producing
an
additional
card
design,
test
each
design
as
described
in
“Test
Bar
Codes”
to
make
sure
that
the
bar
code
prints
as
expected.
Print Bar Codes With the Card Printer Driver
The
Card
Printer
Driver
includes
a
setting
that
allows
the
printer
to
use
the
black (K)
panel
to
the
bars
of
a
bar
code
embedded
in
a
color
image,
making
it
more
likely
to
be
read
by
a
scanner.
When
the
Driver
Printing
Preferences
option
black
image
pixels
using
monochrome”
is
set
to
On,
the
Card
Printer
Driver
prints
the
seven
black
‐
most
shades
(from
a
palette
of
256
shades)
using
the
K
panel
of
a
color
ribbon.
Refer
to
the
printer’s
Driver
Guide
for
complete
information
about
how
to
specify
this
setting.
Summary of Contents for SD160
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