HP LaserJet 5100 Mode D'emploi page 19

2 While pressing down on the paper lift plate (Figure 10, item 2),
reach under the front of the tray and squeeze the black tabs to
release the separation pad from the tray. (See Figure 10, item 1,
and Figure 11.)
Figure 11 Removing the Tray 2 separation pad and spring (bottom view)
3 If necessary, pull the spring off of the old separation pad, and
then insert the spring onto the new separation pad.
4 Replace the separation pad.
ENWW
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Replace the Tray 2 and optional 250-sheet tray separation pad
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