Lexmark CX820
Open the scanner cover.
Remove the ADF scan pad.
Unpack the new ADF scan pad.
Lay the white area of the ADF scan pad facedown on the scanner glass.
Close the scanner cover to stick the ADF scan pad to the cover.
Open the scanner cover to check if the ADF scan pad is properly attached to the cover.
Close the scanner cover.
Resolve paper feed problems. Change the separator pad to maintain good printing performance.
Prevent misfeeds and paper jams by checking the ADF pick roller. Replace the roller if it is damaged or when a maintenance warning appears.