Kyocera (MK-350) Original Maintenance-kit (1702LX8NL0)
Amazon.com: Kyocera 1702LX7US0 Model MK-350 Maintenance Kit For use with Kyocera ECOSYS FS-3040MFP, FS-3140MFP, FS-3540MFP, FS-3640MFP and FS-3920DN Black & White Laser Printers : Office Products