The Eltron Company P310 - Manual (Page 104)

Step 4. Either measure or estimate any departure from a centered image, and convert
the result to dots. Note that at 300 dpi, the distance between dots measures
0.00333... inches. Also, 300 dpi converts to 11.81 dots per millimeter, and the dot
spacing measures 0.085 millimeters.
Step 5. Either add or subtract (per the Remedy prescribed in table above) the Step-4
value(s) from the associated value(s) found on the Test Card printed in Step 1.
Step 6. Enter the new x and y offsets calculated in Step 5 using either the Window’s
print driver, or the Test Software, as follows:
For x values, enter:
O value
For y values enter:
OY value
Where:
value = new offset in dots (a space separates the command from the value).
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980264-001 Rev.B
CHAPTER 6