DR221 drum unit uses durable OPC which has very high durability, can withstand greater pressure, has excellent anti-aging ability, can withstand higher operating temperature, so as to ensure the service life of the drum holder.
Our compatible cartridges from ISO 9001/14001; STMC; CE; ROHS Certified factory. compatible supplies provide high-quality raw materials to ensure printing effect, and strict management ensure the stable quality
Product Description
After installing the drum unit, what should I do if the printing effect cannot meet my requirements
The printing effect is determined by toner TN221 and drum DR221. If the effect cannot meet your requirements, we judge that the service life of toner may have expired. It is recommended to replace the toner, and then it can be used normally.
Why choose DR221
DR221 drum unit uses durable OPC which has very high durability, can withstand greater pressure, has excellent anti-aging ability, can withstand higher operating temperature, so as to ensure the service life of the drum holder.