Digital BW, The Print

Here is precisely what I see.  When I open Measure Tool it searches for the
dongle and then says it will operate in limited demo mode.  I then click on
Spot and it asks me to place the device on a white reference.  When I click
ok a window called Spot Measurement opens with Lab selected and Reference
checked.  Underneath reference are the values 80,0 and 0 (54.7, 56.7, 46.8
if the colour space is changed to XYZ).  These same values appear below
sample.  I then select Sample and then take the first measurement.  If I
measure the 100% step on the K ink of the ink separation page I get the
following values below sample (ref values remain unchanged): 49.3, 49.9,
32.1 (Lab 76.0, 3.3, 12.6).  And this is a very black patch.  If I then
measure the 100% patch of the combo ink, ie a dark grey patch) I get 141.9,
142.9, 110.7 (Lab 114.7, 5.4, 4.7).  Measuring EEM paper white I get 189.4,
166.2, 189.0 (Lab 121.4, 33.9, -26.8).

If at the beginning rather than selecting Sample I click start then
Reference becomes 189.6, 166.3, 189.4 (Lab 121.4, 34.0, -26.9).  Sample is
then checked.  Subsequent measures of the same patches and paper white are
not materially different from the numbers above.

It is as though the scale is completely out of whack.


From: "Roy Harrington" <roy@...>

I guess I'm still suspicious that you might be looking at the wrong column.=

When the spot window first comes up, the Reference column is selected.
So the first click on the device fills in the Reference column, but immedia=
tely
after the Sample column is selected but no values have been filled in.
So it's in a state where the right column named Sample is selected but the
values you should be looking at are on the left under Reference.
After this you can continue measuring by clicking the device and the values=

will all be under Sample.

Roy




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