Clean the rubber pick rollers thoroughly with a cloth dipped in rubber rejuvenator or isopropyl alcohol to restore grip. If the rubber is severely cracked, unclip the roller assembly from the bottom feed shaft and snap a new OEM roller kit into place. Ink Delivery Failures & Air Contamination
The following are technical specifications for the HP OfficeJet Pro K8600: hp officejet pro k8600 service manual new