Xerox 480 ST System Administration Manual page 131

Category Setting
Image Resolution
Options
Edge Erase
Xerox Document Centre System Administration Guide
Description
Prints the image in a selected number of dots per inch (dpi). A
higher dpi, such as 600 x 600, produces a higher quality image,
but creates a larger file size.
Erases the left/right/top/bottom margins of the document.
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