A persistent error after cleaning often indicates a communication failure between the scanner unit and the mainboard. Spiceworks Community The Issue:
Samsung SCX-4300 Laser MFP - Clearing Paper Jams | HP® Support samsung printer scx 4300 scanner error solution patched
Most "Scanner Error" messages accompanied by clicking or grinding noises indicate the scanner carriage is physically stuck or cannot find its starting position. A persistent error after cleaning often indicates a