Computer printer

A computer printer that receives text files or images from a computer and transfers them to electronic equipment such as paper or film. You can connect directly to the computer or indirectly via the network. The printer is divided into an impact printer (the print medium is physically affected) and a non-impact printer. Most impact printers are dot matrix printers with multiple pins that form a single letter on the print head. A non-impact printer uses a laser beam to draw toner into the paper area, an ink jet printer ejects liquid ink jet, and a thermal printer transfers wax based ink, or directly heat stitch to specially treated paper Print the image on using it. Important printer functions include resolution (dots per inch), speed (number of prints per minute), color (full color or black and white), and cache (affecting file speed) printing.

A virtual printer is a type of computer software whose user interface and APIs are similar to printer drivers, but are not connected to a physical computer printer. Using a virtual printer, you can create a file that is an image of the data to print as archival purposes, or as input to another program, such as creating a PDF or transferring it to another system or user. 3D printers are capable of generating three dimensional (3D) images from a 3D model or other electronic data source by adding a process of placing a continuous layer of material under computer control (including plastic, metal, food, cement, wood and other materials) This is an apparatus for creating an object. It is called a printer like an inkjet printer and produces a two-dimensional document by a similar process of depositing a layer of ink on paper.

Laser printers are a common type of computer printer that can quickly generate high quality text and graphics on plain paper. Like digital copiers and multifunction printers (MFPs), laser printers use a xerographic printing process, but in that an image is generated by directly scanning the photoreceptor of the printer with a laser beam, an analog copier It is different. The laser beam projects the image of the page to be printed onto a charged rotating drum coated with selenium or the organic photoconductor is more common in modern printers. Photoconductivity removes charge from areas exposed to light. Dry ink (toner) particles are electrostatically picked up by the charged part of the drum. The drum then prints the image on paper with direct contact and heat. And it fuses ink with paper.

Personal computer printers can be distinguished as impact resistant or non-impact printers. The initial impact printer works like an automatic typewriter, and ink marks are printed on each printed letter sheet. Dot matrix printers are popular low cost personal computer printers. This is an impact printer that prints paper at once. The most famous non-impact printers are ink jet printers, which include several low cost color printers and laser printers. When the ink rotates, the inkjet ejects ink onto the paper in a very close range from the ink cartridge. Laser printers use the laser beam reflected from the mirror to attract ink (called toner) to the selected paper area as it rotates on the drum.