HP Color LaserJet 9500 Multifunction Printer series - Manual (Page 272)

http://www.hp.com/go/clj9500mfp
256 Chapter 9 – Problem solving Rev. 1.0
10 Close all of the doors.
11 Reload the media in tray 1.
12 Slide the paper guides to the appropriate size that is marked on the tray.
(See “To load media in tray 1” on page 11.)
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