HP 6510 - Manual (Page 18)

❑ Slide stack of paper forward until it stops.
❑ Slide paper-width guide inward until it stops at edge of paper.
c. Close paper tray.
❑
Close paper tray and pull tray extender towards you, as far as it will
go. Flip paper catch at end of tray extender.
NOTE: When you use legal-size paper, leave the paper catch
closed.
Chapter 4
16 Paper basics