HP Scanjet 7800 Document Sheet-feed Scanner - Manual (Page 29)

5. Reload the unscanned originals in the document feeder.
6. Resume scanning.
Replace the feed-roller assembly
Occasionally, if streaks on scans or paper jams occur repeatedly, you might have to
replace the feed-roller assembly. To order the replacement part, go to
www.hp.com/buy/
parts . Instructions are included with the replacement part.
Note HP recommends that you replace the feed-roller assembly every 100,000
scans. Use the HP Button Settings Utility to keep track of the scan count. For
more information, see the General info tab in the Button Settings Utility.
Contact HP Support
For support contact information, see the printed Setup and Support Guide that came with
the scanner or visit
www.hp.com/support .
User Guide 27