The selenium drum is a cylinder made of metal with light-sensitive material selenium on it. It is a component in the copier or laser printer, and it is used to print the parts to be printed[Detailed]
Adding powder to original consumables depends on what consumables are.Some brands allow adding powder, and the powder box is designed with a powder adding mouth.But most brands don't allow users to do it themselves[Detailed]
All the original and genuine consumables have passed the quality, emission and electrical performance tests of the national inspection agency before they are launched, and only those qualified can be admitted[Detailed]
The order was placed with the company. There was a problem with the printer in the afternoon. It was delivered the next day. It rained in time. The font printed by HP was also clear. It was easy to replace. After sales was also very good. There was no paper jam. I was very satisfied with the use