HP 3300mfp - Manual (Page 136)

134 9 Cleaning and maintenance EN
6 To check for proper installation, lift the green lever until it remains
open. The new pickup roller assembly should be secured to the
lever assembly and should not fall out.
7 Make sure that both sides of the assembly are secured by the
green hooks.
8 Lower the green lever assembly and close the ADF lid. Reinstall the
input tray.
Note
If you are experiencing abnormal jams in the ADF, you may want to
order a new ADF, or upgrade the ADF copy lid. See
Installing a new
ADF .
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8
6