The HP 4001dw Wireless MICR Printer comes with 1 preinstalled MTI 148A W1480A MICR Ink Toner Cartridge (2,900 yield; prints 8.7k checks @ 3 per page) for printing small business, payroll and personal checks 

• IN THE BOX: HP LaserJet 4001dw Wireless Printer; 1 MTI 148A W1480A MICR Ink Toner Cartridge (2,900 yield; prints 8.7k checks @ 3 per page); Getting Started Guide; Support Flyers; Power cord; USB cable
• MICR YOU CAN TRUST: The MTI 148A MICR ink toner cartridge features our superior magnetic ink for guaranteed bank acceptance. High capacity toner option keeps up with your printing needs and limits toner replacement interruptions 
• FAST PRINTING: Print up to 41 pages-per-minute with a first print out of time of less than 6.1 seconds (letter). Print business checks on-the-go with Canon PRINT Business, Apple AirPrint and Mopria Print Service
• WIRELESS OFFICE PRINTER: Wirelessly connect and print from all mobile devices, PCs and tablets. Print from Wi-Fi, ideal for up to 10 users.
•  WARRANTY: 6 Month Warranty for Printer; Lifetime Warranty for MTI W1480A MICR Ink Toner Cartridge