Chosen Solution does not recognize documents in top loader to scan. keep getting error not able to scan, copy or fax. have a macbook air OS X 10.9.5
pull the power plug and data cable off, then after pushing the power button a few times to clear inbuilt memory, reconnect all cables/power, and try again. Most times this works.
I had the same problem. This helps: http://h30492.www3.hp.com/t5/Drucker-und…
If the printer does not detect paper in the auto document feeder, then check the feed rollers for dirt that keeps the rollers from grabbing the paper, There should be a paper sensor near the pick up rollers, not to be confused with the cover closed sensors....