Xerox CopyCentre C165 Quick Reference Manual page 55

Options:
Use this option for 1 sided originals when 1 sided copies are required.
1 1 Sided
Use this option for 1 sided originals when 2 sided copies are required.
1 2 Sided
This option produces 2 sided copies from 1 sided originals and rotates every second
1 2 Sided,
side image. Use this option to create documents which can be read in a "head to
Rotate Side 2
toe" manner, for example a calendar.
Use this option for 2 sided originals when 2 sided copies are required.
2 2 Sided
This option produces 2 sided copies from 2 sided originals and rotates every second
2 2 Sided,
side image. The "read" orientation for this option varies depending on the input
Rotate Side 2
originals. For example, if "head to head" orientation originals are scanned, the
output will be "head to toe". If "head to toe" orientation originals are scanned the
output produced will be "head to head".
Use this option for 2 sided originals when 1 sided copies are required.
2 1 Sided
This option produces 1 sided copies from 2 sided originals and rotates every second
2 1 Sided,
side image. It should be used for "head to toe" orientation or calendar style originals,
Rotate Side 2
to ensure the output images are all in the same orientation.
Quick Reference Guide Page 4-7