Amazon.com: Kyocera 302J393033 Model DK-320 Black Drum Unit, Compatible with Kyocera FS-2020D, FS-3040MFP, FS-3140MFP, FS-3540MFP, FS-3640MFP, FS-3920DN, FS-4020DN Printers; Up to 300000 Pages Yield : Office Products
User manual Kyocera FS FS-3140MFP+ (English - 449 pages)
Replacing Toner: ECOSYS FS-3640MFP and FS-3540MFP - YouTube
Kyocera FS-3640MFP - Impression Solutions Inc.
Kyocera FS-3640MFP | ▤ Full Specifications & Reviews