Speaking of printing supplies, the toner cartridge is the first part we will think. According to our survey, the CF230A Toner Cartridges is the most popular cartridge among users. So the way of keep cartridge becomes a very important point…

According to the statistics, at present, the total number of all kinds of laser printers in our country is about 18 million sets, 72 million printer toner cartridges are consumed each year, and the national annual cost is about 50 billion …

When we use the printer that we should understand how to replace the printer toner even learn how to refill the toner cartridge. In order to make our work more easy that we should understand each parts of power supply clearly. Let us talk …