Laser printer cartridge and Toner Cartridge structures

Most brands of laser printer cartridges and powder box structure is integrated, and this part of the problem of laser printer parts most likely to understand its structure is very good for our maintenance.

1, imaging features some of the components

Photosensitive drum: is made of aluminum tube coated with selenium, the selenium material for the insulator in the dark, exposed site of the conductor. When the laser beam emitted by them came to light, to light the information matrix of dots to form a electrostatic latent image.

Drum drive gear: with the photosensitive drum at one end is fixed by the printer delivered impetus for drum rotation, while driving transfer roller rotation.

LCD Troubleshooting Maintenance

1, PANEL (LCD)
2, A / D Driver Board;
3, LCD screen line-drive
4, high-pressure plate (also known as step-up board, high-pressure section, INVERTER)
5, high-pressure plate wire 5, high-pressure plate wire
6, Power adapter (external, generally DC 3A/12V), are also part of the display of the open
Off the power section is built into the machine, the direct input AC220V to Off the power section is built into the machine, the direct input AC220V to
7, VGA cable
8, shell

The following is based on the maintenance of our daily summary of some of the maintenance ideas: