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]
Now the colors are independent, especially good!It's a very good product. I've been buying it all the time. It's of good quality, reliable and guaranteed. The price of this Double 11 is very powerful, especially good. It can also be used for a long time. HP's products are good!!!
The delivery speed is fast, the goods are also quite good, the price reduction on the Double 11 is OK, I bought two at one time, and I will buy them again next time