I N S T R U M E N T O P E R A T I O N
5-39
before taking measurements. The instrument takes the density
value of the paper and automatically subtracts it from
subsequent measurements.
To measure paper:
1.
If not selected, press the Tab keys
$@
to highlight Paper.
<
Measure Paper
> appears in the user dialog. The paper
values displayed are the current values set in the
instrument.
P r i n t C o n t . T A u t o
<
M e a s u r e P a p e r
>
Paper
Solid
PC
V 0.114
C 0.116
M 0.113
Y 0.123
2.
Center the instrument target window over a sample of the
paper, and lower the instrument to take a reading. Hold
instrument down until
<
Measurement Done
>
is
displayed.
3.
The paper values are updated and the display highlight
advances to
Print Cont
.
Measuring Print Contrast Procedure
So far, you have performed the procedures to select the color
mode and measure paper. You are now ready to begin taking
measurements to monitor printing density.
To perform a print contrast measurement:
1.
If not selected, press the Tab Up key
$
or Tab Down key
@
to highlight
Solid
. <
Measure Solid
> appears in the
user dialog.
2.
Center the instrument target window over the solid patch
and lower the instrument to take a reading. The solid value
is updated and the display highlight advances to
PC
.
3.
Center the target window over the 75% tint patch that
corresponds to the measured solid.
4.
Lower unit to target window and hold closed. Once data is
displayed, release the unit.
P r i n t C o n t . T A u t o
<
Measure Tint
>
Paper
Solid
PC
C 39.0%
Cyan print contrast value
Содержание 939
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