Duplex Printing Upside Down? Check the Binding Edge
By ON Lab · Sources checked November 6, 2026
Check which edge you intend to turn the sheet around, then compare that with the duplex binding setting. Long-edge and short-edge refer to the sheet’s physical edges. They do not always mean “book” and “calendar” when page orientation changes.
Picture the finished document
Take a blank sheet and hold it in the intended reading orientation. Turn it as you want a reader to turn the finished pages. The edge you turn around is the intended hinge. This simple paper model is an editorial way to describe your desired result before choosing a driver option.
| Reading layout | Intended hinge |
|---|---|
| Portrait, turning left or right | Long edge |
| Portrait, flipping upward | Short edge |
| Landscape, turning left or right | Short edge |
| Landscape, flipping upward | Long edge |
Find the printer’s binding control
Brother’s troubleshooting guide describes choosing a duplex type in its Windows driver’s 2-sided Settings or Duplex Settings. Its Mac instructions describe Long-edge binding and Short-edge binding under Layout. These are Brother-specific examples; labels and locations vary with the printer, driver and operating system. Use your model’s instructions if the controls differ.
Compare two pages before printing everything
- Use two non-sensitive pages with obvious top and bottom edges.
- Record the orientation and current duplex option.
- Print the pair and turn the sheet around your intended hinge.
- If the reverse side is upside down, compare the other binding option while keeping the document and orientation unchanged.
Mark each sample with its setting. For example, “portrait, long edge, turns left” is more useful than “test 2.” That is a suggested record format, not a result we measured.
If the needed control is missing, record the printer model and installed driver before seeking model-specific help. Do not assume another manufacturer uses Brother’s menu layout. A document with mixed page orientations needs extra care: a two-page sample cannot verify every section.
Scope: binding direction, not paper jams or blank sheets. No physical duplex test was performed. The linked Brother guide includes older interface examples; this article does not prescribe a driver replacement.