How to Identify and Fix Common Problems ?
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The key parts of the printer include, toner cartridges, image drum (also known as drum unit or photo-conductor), transfer roller or belt, fuser unit, laser, and mirrors.
Print Head. Print Head is another most essential part of the printer, which has the job of delivering the ink from the printer cartridges on to the surfaces of the paper.
Nozzle plate: the part where ink goes through from ink cartridge to paper. Cover plate: covers the nozzles when they are not in use. Common ink chamber: where ink is transferred from the body before printing. (In piezoelectric printers) piezoelectric substrate: houses the piezoelectric crystal.
Parts include a primary charge roller or corona wire, photoconductor drum, laser, toner, fuser assembly with rollers, and discharge lamp. It is an electrophotographic process that transfers digital information from a computer to images on paper in the laser printing process.
Common features for laser printers include color printing, copying and or sorting capabilities, industrial metal housing, user controls, indicators, application software, and cutters. Laser printers with color printing are capable of color output in addition to monochrome output.
Important printer characteristics include resolution (in dots per inch), speed (in sheets of paper printed per minute), colour (full-colour or black-and-white), and cache memory (which affects the speed at which a file can be printed).
The two types of printer cartridges are ink and toner cartridges. Ink cartridges are used predominantly in inkjet printers whereas toner cartridges are used in laser printers.
Most inkjet printers will use a combination of either two or four cartridges, but more specialized ones like photo printers might require 6 to as many as 12 ink cartridges.
A printer is an external hardware output device that takes the electronic data stored on a computer or other device and generates a hard copy. For example, if you created a report on your computer, you could print several copies to hand out at a staff meeting.