HP LaserJet 5100 Mode D'emploi page 13

Note Before installing the new transfer roller, make sure the hinged clip is up
(Figure 5).
Figure 5 Making sure the hinged clip is up
CAUTION Because oils on your skin can adversely affect print quality, be careful
not to touch the black rubber on the new transfer roller with your fingers.
Use the latex gloves included in the kit when handling the new transfer
roller.
ENWW
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Replace the transfer roller
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