The duplex unit, in order to reduce the overall duplex printing time, performs interleaving.

Paper exit from main machine

Length

No. of interleaved sheets

Less than 215.9 mm

3

216.0 - 431.8 mm

2

431.8 -457.2 mm

1

 

  • 3-sheet interleaving
    Sheet 1 undersurface -> Sheet 2 undersurface -> Sheet 3 undersurface -> Sheet 1 top surface -> Sheet 4 undersurface -> Sheet 2 top surface
  • 2-sheet interleaving
    Sheet 1 undersurface -> Sheet 2 undersurface -> Sheet 1 top surface -> Sheet 3 undersurface -> Sheet 2 top surface -> Sheet 4 undersurface
3-sheet interleaving