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]
HP's original toner cartridge has a very large capacity. It takes a lot longer to use than ordinary non original toner cartridges. Of course, this is a sharp contrast in the case of a certain amount of time and printing. This is what I found in the process of using. Well, if conditions permit, try to choose the original manufacturer,This can not only protect the printer better, but also print better results