Merge PDFs for Duplex Printing
Duplex printing requirements sometimes mean assembling a PDF where certain pages need to appear on specific sides of the physical paper. Alternating page merging is one technique for constructing these documents.
When duplex printing needs alternating pages
Some production printing workflows require front and back content to be supplied as a single merged PDF with alternating pages rather than as two separate files. If your print service provider asks for this format, the extension's alternating merge option produces it directly.
Page count and blank pages
For duplex printing, page count should be even. If your document has an odd number of pages, insert a blank page at the end to ensure the last page prints on the front of the final sheet. Create a one-page blank Google Doc and add it to the merge.
Frequently Asked Questions
Does my home printer need a special PDF format for duplex printing?
Most home printers handle standard PDFs for duplex printing directly through the printer driver. The alternating merge format is typically needed for commercial print production workflows, not for home printing.
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