MODEL 1980 SERIES PRINTER OPERATION AND MAINTENANCEDataMetrics Corporation 2Table 1-2. Field Replaceable UnitsDescription Part No. QuantityPerChassisBlack Toner Cartridge 1Cyan Toner Cartridge 1Magenta Toner Cartridge 1Yellow Toner Cartridge 1Black Drum 1Cyan Drum 1Magenta Drum 1Yellow Drum 1Fuser 1Belt Unit Assembly 1Dust Filter 1Paper Cassette Tray 1Print Engine Assembly 1EMI Filter 1Circuit Breaker/Power Switch 1Control Panel 1