PrinterDash Compatible Replacement for Lexmark MS-321/MS-421/MS-521/MS-621/MS-622/MX-321/MX-421/MX-521/MX-522/MX-622 Series Drum/Toner Value Combo Pack (1-Drum/3-Toners) (56F0Z00_1PK/56F1000J_3PKVB) - Walmart.com
microMICR MICR Laser Toner Cartridge - Alternative for Lexmark 56F1000 - Black - 1 Each - 6000 Pages - AllianceSupply.com