How does the canon ip100 consume only black ink cartridges Read the original text >>

It was great~~~I participated in an experience meeting of the monitor, and I won a 50 yuan recharge card in the award-winning question and answer session. More importantly, I felt that the 27 inch monitor was excellent, with clear picture, accurate color, excellent workmanship and reasonable price~~~ Read the original text >>

This phenomenon often occurs in double-sided copying. Generally speaking, it is also related to the specification, humidity, etc. of the paper. For example, the specification, humidity, etc. of the paper do not meet the requirements. When the front side is printed, the paper has curled. When the back side is reprinted, the pressing of the fixing roller will inevitably lead to wrinkles. The other one is harmony Read the original text >>

The taste of Youpai happiness - high cost performance is called happiness. After reading many posts, I believe everyone has a different understanding of happiness, and my understanding is to buy the most valuable products. The so-called super value is to buy the most powerful display product with the least amount of money, and this is the case with Youpai's VX2250w Read the original text >>

A comprehensive analysis of the laser printer selenium drum the developing component (selenium drum) that plays an important role in the laser printer. According to the structural principle, the selenium drum can be divided into drum and powder integrated type (such as HP, Xerox, Samsung, etc.) and drum and powder separated type (such as Lenovo, Epson, etc.). Of course, HP and Samsung also have some models of drums Read the original text >>