257Using the ScannerInstalling the Scanner Cartridge• The scanner cartridge is composed of precision components. To avoidpoor scanning results, do not touch the optical components or electricalcontacts.• To avoid damaging the scanning head of the scanner cartridge, do notstore the scanner cartridge in an SB-21 Ink Cartridge Storage Box. Thepad for the BJ cartridge print head inside the container is covered withink that could damage the scanning head of the scanner cartridge.Always store the scanner cartridge in its plastic container.Optical components Electrical contactsDo not touch these areasCaution