Cleaning the HP LaserJet Companion Printer Accessory To clean the scan roller and image sensor 1 Pull forward on the release levers and open the cover. 2 Dip a cotton swab in isopropyl alcohol. 3 Press either [To[Printer] or [To[PC] on the Companion to rotate the white scan roller, then wipe the roller with the saturated cotton swab. 4 Spray glass cleaner on a new cotton swab and clean the glass on the image sensor with the saturated cotton swab. Caution Do not spray cleaner or any other liquid directly on or into the Companion. Doing so may cause damage to the Companion. Note • Use isopropyl alcohol to clean the pickup roller, separation pad, and scan roller.
• Use glass cleaner to clean the image sensor. 3-4 Testing EN