HP Color LaserJet 4730 Multifunction Printer series - Manual (Page 252)

5. Close the scanner lid.
To clean the ADF rollers
You should clean the rollers in the ADF if you are experiencing misfeeds or if your originals show marks
as they exit the ADF.
CAUTION Clean the rollers only if you experience misfeeds or marks on the originals, and you
notice dust on the rollers. Cleaning the rollers frequently could introduce dust into the device.
1. Open the scanner lid.
232 Chapter 11 Managing and maintaining the MFP ENWW