What you will get: 1 Pack 054H Black Toner Cartridge. Suitable for the following printers: imageCLASS MF642Cdw imageCLASS MF644Cdw mageCLASS MF640C imageCLASS MF641Cw imageCLASS MF643Cdw imageCLASS MF645Cx imageCLASS LBP621Cw imageCLASS LBP622Cdw imageCLASS LBP623Cdw High - end quality, excellent printing High - definition printing: clear and sharp graphics, printing with layers, no bottom gray Firm fixing: fine and uniform toner particles, good fluidity, strong permeability, no color loss when repeatedly applied. Good toner cartridges should be like this: Increased efficiency Improved technology and toner help you meet your printing needs efficiently. Print in no time at all. Excellent quality Professional quality management strives to ensure excellent quality and keep your prints free of lines, spots or penetration. Secure packaging Sealed packaging, Multiple protection, Avoid damage during shipping. Better Print With zoowink Products from zoowink are manufactured by high quality materials with minimal resource loss from the factory. We devote ourselves to offering you an enjoyable printing!