A few printers might run whole ternary types of information, others non.

Daisy wheel printers can handle sole manifestly text information or even like elementary point plots.

Plotters typically run vector images.

PostScript and PCL printers can combine totally troika types of information.

In todays world these are park to print all about (potentially patently text) by sending quick bitmapped images to the printer, because it allows better control concluded formatting.  Several printer drivers do not have a text mode in a least, possibly whenever the printer is capable of it.

Monochrome, color and photo printers

The monochrome printer can exclusively create an image consisting of one color, usually black. The monochromatic printer can besides become take a breath to create graduations of tone of that color, such as the grey-scale.

The colour printer potty create images of multiple colors.

a photograph printer occurs as colour printer that potty develop images that mimic the color range (gamut) and resolution of photographic methods of printing.

Methods of image creation

A medium for most printers is paper, so it is commonly classified based on data from a method of image creation:

Toner-based printers

nq

Inkjet printers

Inkjet printers spray very small, accurate numbers (unremarkably two or three picolitres) of ink onto the media. For colour applications including photograph printing, ink jet-black methods come dominant.

Impact printers

Impact printers rely on the forcible impact to transfer ink to the media, similar to typewriters, that are often limited to reproducing text. The daisy wheel printer is a specific nature and severity of impact printer in which a type is moulded around the edge of a wheel. a golf ball typewriter is similar to a daisy wheel nature and severity however has the characters distributed all over the face of the earth shape.

Dot-matrix printers

In the general feel numbers of printers rely in the matrix of pixels, or dots, that together form the big image. Nevertheless, a term dot matrix printer is specifically used for impact printers that apply the matrix of little pins to create accurate dots. A benefit of dot-matrix all over more impact printers is that it could develop graphical images in addition to text; even so a text is typically of poorer quality than impact printers that utilize letterforms (nature and severity).

Dot-matrix printers may be broadly divided into 2 major classes: Ballistic stylus printer (discussed in the dot matrix printers article) Stored energy printers

Dot matrix printers may either exist as character-depending or even line-based (that is, one horizontal series of pel through a report), on to the configuration of the print head.

At once Dot matrix printers were one of a further commons types of printers utilized for general have - like for hoapply & little professional use. Such printers would keep around either Nina from carolina or even Two dozen diaper pins on the print head. Xxiv pin print heads were entity to print at the superiority. It used to be that a price of Inkjet printers dropped pertinent in which it were competitory sustaining Dot matrix printers, Dot matrix printers began to fall away from favor for general utilize.

Dot matrix printers come however ordinarily utilized within great-affordable, online-quality applications prefer cash registers. A fact that it utilize an impact printing method allows the babies to become utilized to print multi-section documents applying carbonless copy paper (like sales bill & credit card receipts), whereas more printing methods come unserviceable by owning paper of this nature and severity. Dot-matrix printers come at present (equally of 2005) quickly existence superseded just as receipt printers.

Line printers

Line printers, as a title implies, print an entire line of text at one time. 2 principle designs existed. Within drum printers, a drum carries the entire character placed of the printer perennial inside both column that is to become printed. Around chain printers (likewise referred to as train printers), a character placed is intended multiple days as much as a chain that travels horizontally past the print line. Around either example, to print a line, precisely timed hammers strike against a back of the paper at the accurate moment that the correct character to become printed is passing ahead of the paper. a paper presses forward against a ribbon which so presses against a character form & a impression of the character form is printed onto the paper.

These printers were a fastest of tons impact printers & were utilized for bulk printing within big computer centres. It were virtually never utilized by using personal computers and have okay, been partially replaced by high-high-velocity optical maser printers.

Other printers
The total of more kind of printers come significant for even historical reasons, or for favorite purpose utilizes:

Digital minilab (photographic paper) Dye-sublimation printers are sometimes wont to green groceries high-quality color even, or photographic, prints Electrolytic printers Friden Flexowriter IBM Selectric typewriter Microsphere (special paper) Spark printer (supplied for Sinclair ZX81) Teletype Thermal printer (heat sensitive paper) barcode printer uses heat to print barcodes Thermal wax printer (Xerox/Tektronix)

The printer manufacturing business
Typically a razor and blades business model is applied. That is, the company can sell the printer at numbers, & produce gains on the ink cartridge, paper, or another replacement part. This has induced legal disputes regarding the right of companies otherwise a printer manufacturer to sell compatible ink cartridges.

Printing speed

A speed of early printers was measured around units of characters by the 2nd. Extra modern printers come measured within web sites by the microscopic. These measures come utilized primarily as a marketing convienence, & are non swell standardised. Ordinarily places by the microscopic refers to thin monochromic professional documents, like than heavy pictures which commonly print good deal further slowly.

Printer job classes

It is collections of printers. Print jobs sent to a class come forwarded to the 1st available printer in the class.

Forensic identification
Similar to forensic identification of typewriters, computer printers and copiers can be traced down by imperfectness in their output. A mechanical tolerances of the toner & paper feed mechanisms induce banding, which contain information all about a personal device's mechanical properties. These are normally imaginable to identify the manufacturer & brand, however within occasionally suits a single printer may be identified from either a placed of known ones by comparing their outputs. [http://news.uns.purdue.edu/UNS/html4ever/2004/041011.Delp.forensics.html] [http://dsc.discovery.com/news/briefs/20041011/printer.html]

A few high-quality colour printers & duplicator steganographically embed their identification code into the printed places, when amercement & about invisible system of yellow dots. A sources identify Xerox and Canon as companies doing this [http://www.pcworld.com/news/article/0,aid,118664,00.asp] [http://www.pcworld.idg.com.au/index.php/id;1002274598]. A [http://www.eff.org/Privacy/printers/ Electronic Frontier Foundation] has investigated this issue & documented how else a Xerox DocuColor printer's serial total, besides when the date & period of the printout, come encoded within a repetition 5×18 dot pattern in the yellow channel. EFF is working to reverse engineer [http://www.eff.org/Privacy/printers/list.php additional printers].