Monochrome documents can be sharper when printing with the genuine Samsung SCX-4200A black toner cartridge. Lower running costs and faster print speeds are guaranteed by the Samsung SCX-D4200A/ELS toner, and users can reduce environmental impact because of the low temperature fusion, which means a faster warm-up time for the printer. Plain paper won't curl, too. The original black Samsung SCX-D4200 toner is compatible with speciality paper, too. Solid fills, consistent greyscale gradients, and crisper details are also assured by the Samsung SCX-D4200A toner.