Xerox 490/980 Color Continuous Feed Printing System

Appendix

Calculate Offset Specification and Logical Page Size Values

The following sample procedure uses the following hypothetical paper stock width, logical page size (image area) and DPI settings:

Paper Stock Width: 8.3 in (457 mm)

Logical Page Size (image area): 5.6 in (142 mm) x 12 in (305 mm)

DPI: 300x300

To Calculate Logical Page Size Width

Multiply the width of the logical page size in inches by the DPI: 5.6 x 300 + 500 = 1680 = Logical Page Size Width

To Calculate Logical Page Size Height

Multiply the height of the logical page size in inches by the DPI: 12 x 300 = 3600 = Logical Page Size Height

To Calculate Offset Specification X-direction

1.Multiply the width of the paper stock in inches by the DPI:

8.3 x 300 = 2490

2.Divide the number calculated in the previous step by 2:

2490 / 2 = 1245

3.Divide the Logical Page Size Width already calculated by 2:

1680 / 2 = 840

4.Subtract the number calculated in step 2 by the number calculated in step 3: 1245 - 840 = 405 = Offset Specification X-direction

To Calculate Offset Specification Y-direction

This value is always equal to 0.

When finished with all calculations...

Add 500 dpi to the Logical Page Width:

1680 + 500 = 2180 = New Logical Page Width

Subtract 200 dpi from the Offset Specification X-direction:

405 - 200 = New Offset Specification X - direction

The Logical Page Settings should match the graphic below:

Printer Operator Guide

A-3

Page 97
Image 97
Xerox 490 manual Calculate Offset Specification and Logical Page Size Values