Taking HP LaserJet Pro CP1025nw printer as an example, E2 error code means the wrong code of selenium drum.
Causes and solutions:
1. The selenium drum of the printer is not installed correctly. Take out the selenium drum and reinstall it.
2. The quality of the printer cartridge itself is damaged. Replace it with a new one for testing.
3. Printer power board failure, replace the power board test.
4. If the selenium drum sensor is damaged, contact the after-sales service personnel to replace the sensor.
Hewlett Packard (HP) is one of the world's largest information technology (it) companies. Founded in 1939, it is headquartered in Palo Alto, California. HP has three business groups: information products group, printing and imaging systems group and enterprise computing and professional services group.
Printer is one of the output devices of computer, which is used to print the computer processing results on relevant media. There are three indicators to measure the quality of a printer: print resolution, print speed and noise. There are many types of printers. According to whether the printing element strikes the paper, it can be divided into striking printer and non striking printer. According to the printed character structure, it is divided into full-size character printer and dot matrix character printer. According to the way a line of words is formed on the paper, it is divided into string printer and line printer. According to the adopted technology, it is divided into cylindrical, spherical, inkjet, thermal, laser, electrostatic, magnetic, led and other printers.