# printer

> computer peripheral that prints text or graphics

**Wikidata**: [Q82](https://www.wikidata.org/wiki/Q82)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Printer_(computing))  
**Source**: https://4ort.xyz/entity/printer

## Summary  
A printer is a computer peripheral that produces hard‑copy output of text or graphics on paper or other media. It converts digital information into a physical format, enabling users to create documents, images, labels, and more.

## Key Facts  
- **Category**: Classified as a *peripheral* and a *printing machine* within the broader class of *electronic devices*【subclass_of】.  
- **Primary Use**: Utilises a *printing press* mechanism to render digital data onto paper or specialty media【use】.  
- **Physical Component**: Contains a *printer carriage* that moves the print head or impact mechanism across the page【has_part(s)】.  
- **Office Technology**: Identified as a facet of *office technology*, reflecting its central role in business environments【facet_of】.  
- **Variety of Types**: Includes sub‑classes such as *inkjet printer*, *laser printer*, *thermal printer*, *dot matrix printer*, *barcode printer*, *3D printer*, and *multifunction printer*【Part of / Parent】.  
- **Identifiers**: Holds numerous cataloguing IDs (e.g., GND 4150722‑8, YSO 10561, MCN 8443.16.00, Dewey 004.77/681.62) that link it to library and classification systems【gnd_id】【dewey_decimal_classification】.  
- **Unicode Symbols**: Represented by the icons 🖨 and 🖶 in Unicode, allowing digital text to reference the device visually【unicode_character】.  
- **Image Examples**: Public domain images include a Canon S520 ink‑jet printer, a Nintendo PocketPrinter, and an HP Deskjet All‑in‑One printer【image】.  
- **Community Presence**: Discussed on the Reddit community *r/printers* and on Quora under the topic *Printers*【subreddit】【quora_topic】.  
- **Sitelink Count**: Linked to 114 external sites across languages, indicating broad documentation and relevance【sitelink_count】.

## FAQs  
### Q: What does a printer do?  
A: A printer converts digital text or graphics into a physical printout on paper or other media, providing a hard‑copy version of electronic documents.  

### Q: How is a printer different from other computer output devices?  
A: Unlike monitors or speakers, which display or emit information electronically, a printer creates a permanent, tangible record by depositing ink, toner, or other substances onto a substrate.  

### Q: What are the main types of printers?  
A: Common types include inkjet (uses liquid ink droplets), laser (uses toner fused by a laser), thermal (uses heat‑sensitive paper), dot‑matrix (impact‑based), and newer forms like 3D printers that build objects layer by layer.

## Why It Matters  
Printers bridge the digital and physical worlds, turning electronic files into tangible documents essential for business, education, healthcare, and personal use. By providing a reliable means to produce contracts, reports, invoices, photographs, and labels, printers support legal compliance, record‑keeping, and communication. Their evolution—from impact and dot‑matrix models to high‑resolution inkjet, laser, and multifunction devices—has increased speed, quality, and versatility while reducing costs and environmental impact. In offices, printers are integral to workflow automation, often networked to serve multiple users and integrated into multifunction machines that also scan, copy, and fax. Their ubiquity across industries underscores their role as a foundational office technology that enables the reliable dissemination of information in a format that can be read without electronic devices.

## Notable For  
- **Broad Sub‑Class Spectrum**: Encompasses diverse technologies (inkjet, laser, thermal, 3D, barcode) under a single peripheral category.  
- **Integration in Multifunction Devices**: Frequently combined with scanning, copying, and faxing functions, streamlining office equipment.  
- **Standardized Classification**: Recognised across multiple library and metadata systems (GND, YSO, MCN, Dewey), facilitating universal cataloguing.  
- **Unicode Representation**: Assigned dedicated symbols (🖨, 🖶) for clear textual reference in digital communication.  
- **Extensive Community and Documentation**: Supported by a large Reddit community, numerous scholarly identifiers, and over a hundred linked resources.

## Body  

### Definition  
A printer is a hardware device attached to a computer that produces hard‑copy output. It interprets digital signals and translates them into visual marks on a physical medium.

### Classification  
- **Peripheral**: Part of the *peripheral* class, providing output functionality.  
- **Electronic Device & Printing Machine**: Subclassed under both *electronic device* and *printing machine*.  
- **Office Technology**: Recognised as a key component of office technology ecosystems.

### Core Components  
- **Printer Carriage**: Moves the print head or impact mechanism across the page, ensuring accurate placement of ink, toner, or impact.  
- **Print Head / Impact Mechanism**: Varies by type (inkjet nozzles, laser fuser, thermal elements, dot‑matrix pins).  

### Types of Printers  
| Type | Primary Technology | Typical Use |
|------|--------------------|-------------|
| Inkjet | Liquid ink droplets | Photo printing, home/office documents |
| Laser | Toner fused by laser | High‑volume office printing |
| Thermal | Heat‑sensitive paper | Receipts, labels |
| Dot Matrix | Impact pins on ribbon | Multi‑part forms, legacy systems |
| Barcode | Specialized ink/thermal | Labeling, inventory |
| 3D | Additive manufacturing | Prototyping, manufacturing |
| Multifunction | Combined print/scan/copy/fax | Space‑saving office devices |

### Standards and Identifiers  
- **GND**: 4150722‑8  
- **MCN**: 8443.16.00 (International trade classification)  
- **Dewey Decimal**: 004.77 (Computer hardware) and 681.62 (Printing)  
- **YSO**: 10561 (Finnish ontology)  
- **Unicode**: 🖨, 🖶  

### Usage Contexts  
- **Office Documents**: Contracts, reports, invoices.  
- **Educational Materials**: Handouts, worksheets.  
- **Healthcare**: Patient records, prescriptions.  
- **Retail & Logistics**: Barcodes, shipping labels.  
- **Creative Arts**: Photo prints, art reproductions.  

### Community and Resources  
- **Reddit**: r/printers (English language community).  
- **Quora**: Topic “Printers”.  
- **Wikipedia**: Article “Printer (computing)”.  

### Related Technologies  
- **Network Printer**: Enables shared access over LAN/Wi‑Fi.  
- **Virtual Printer**: Software that emulates a printer to create PDFs or other digital files.  
- **Barcode Printer**: Specialized for label creation.  

## Schema Markup  
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Printer (computing)",
  "description": "A computer peripheral that prints text or graphics onto paper or other media.",
  "url": "https://en.wikipedia.org/wiki/Printer_(computing)",
  "sameAs": [
    "https://en.wikipedia.org/wiki/Printer_(computing)"
  ],
  "additionalType": "ComputerPeripheral"
}

## References

1. [Source](https://driver-hp.net/hp-designjet-t525-24-in-driver/)
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=4868)
3. Integrated Authority File
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. YSO-Wikidata mapping project
7. BabelNet
8. [Printers](https://old.reddit.com/r/printers/)
9. [Source](https://golden.com/wiki/Printer_(computing)-MYA5)
10. National Library of Israel
11. KBpedia
12. Wikibase TDKIV