Cameras; Scanners; Bar code printers; Barcode scanner; Cash registers; Computer keyboards; Digital cameras for industrial use; Document printers; Encoded bar code labels; Hand scanner; Laser scanners for industrial inspection; Maintenance kits for scanners comprised primarily of sets of replacement parts for scanners, namely, pick rollers, separation rollers, brake rollers and pad assemblies and also including cleaning kits for scanners comprised of liquid cleaners, cleaning sheets, cleaning ...