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Old 09-14-2021, 11:01 AM   #1
rjwse@aol.com
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Device: kindle epub readers on android
printer offset in PDF conversion (revisited)

When converting EPUB to PDF using caliber while specifying (1) a one-inch printer margin and (1) half-inch printer offset, it is necessary to add one-half-inch to the width. If you want 6 x 9 you must specify 6.5 x 9. Otherwise the output will subtract the printer offset amount from the width. To state it again: if you put in 6 x 9 and if you put in half-inch offset, the output will end up one-inch inner, half-inch outer, but overall width is 5.5 x 9.

However, Okular reports correctly and Document Viewer does not. The example shown has 1 inch inner and half-inch outer and input is 6.5 x 9

I cannot find calibre documentation saying to add the offset to the desired width. Commercial printers prefer having the offset for inner margins so that the reader does not overly flatten the book in order to read the inner margin.

The example used is in public domain without any unusual stylesheet CSS to confuse the converter.

Best Regards, Pop
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