I have an HP Scanjet 4p that makes a grinding noise when it first starts up. Do scanners have gears that need lubricating? If so are scanners difficult to work on? My husband is a good at fixing electronic items and I thought I would get him to look at it. Thanks for any suggestions. Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://nospin.com/pc/pcbuild.html