Package Included:
2 x TK-57 Black Toner Cartridge.

Page Yield:
16,000 pages per TK-57 Black Toner Cartridge (Based on up to 5% coverage)

Compatible with the Following Printer Models：
FS-1920
FS-1900

What can you do with a product issue after 30 days from purchase? 
From the moment you purchase Toner Cartridge products you can enjoy our lifetime service.
You can contact us at any time via the 'Contact Seller' on your order,and we will give you a satisfactory solution.

What quality of products can we provide to you?
Consistent lines | Clear text | Vivid pictures.
It was precisely designed to deliver clear and crisp printing result to satisfy your needs.

Where is this product applicable?
The office,home,school,hospital and factories,but need to avoid using and storing in high temperature,humidity and cold conditions.