Xerox Phaser 840 Documento

The upper paper-feed rollers are located above the slot for the maintenance 
drawer (A).  To clean these rollers:

Use a prepackaged alcohol-soaked wipe.   

Place the cleaning wipe  against each upper rubber roller, pressing to 
create pressure against the roller.

 Use the thumbwheel to turn the upper rollers.  The upper rubber 
rollers should rotate four or five complete revolutions for each roller 
segment to ensure proper cleaning.  Scrub each roller thoroughly.  If the 
wipe  becomes dirty, discard it and use another.  

Use a prepackaged alcohol-soaked wipe.   Place the cleaning wipe  
against the underside of each middle roller.

Manually rotate the middle roller. 

If the wipe  becomes dirty, discard it 

and use another.   

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