| What are the parts of a laser printer? The main | | | | that are negatively charged. The printer covers |
| laser printer parts are located within the toner | | | | the rotating drum with toner creating text and |
| cartridge. There is an assembly of many | | | | images. The toner, which is fine particles of dry, |
| components within the cartridge, and inside a | | | | plastic powder mixed with black or color, will stick |
| series of chemical, electrical, and mechanical | | | | to the places where the drum has an opposite |
| processes takes place. Parts include a primary | | | | charge and not to the places with the same |
| charge roller or corona wire, photoconductor | | | | charge. The letters and images are formed that |
| drum, laser, toner, fuser assembly with rollers, | | | | will be printed on paper. |
| and discharge lamp. It is an electro photographic | | | | There is a fuser assembly with rollers which uses |
| process which transfers digital information from a | | | | heat and pressure to make the ink permanent on |
| computer to images on paper in the laser printing | | | | the paper. The toner powder melts and fuses |
| process. | | | | with the fibers on the paper making a finished |
| A primary charge roller, or a corona wire in older | | | | page. |
| printers, projects an even electrostatic charge | | | | The drum passes a discharge lamp after the |
| onto the surface of a photoconductor drum. A | | | | toner has been placed on the paper. This bright |
| laser shines onto the photoconductor drum, and | | | | light erases the electrical image from the |
| creates a chemical reaction. An electrostatic | | | | photoreceptor. |
| image is developed from discharging the areas | | | | |