“AirPrint”的意思、由来-开放百科全书

AirPrint is a feature in Apple Inc.'s macOS and iOS operating systems for printing via a wireless LAN (Wi-Fi),^[1]^[2] either directly to AirPrint-compatible printers, or to non-compatible shared printers by way of a computer running Microsoft Windows, Linux,^[3] or macOS.^[2]^[4]^[5] AirPrint does not require printer-specific drivers. It was originally intended for iOS devices and connected via a Wi-Fi network only, and thus required a Wi-Fi access point. However, with the introduction of AirPrint to the macOS desktop platform in 2012, Macs connected to the network via ethernet connection could also print using the AirPrint protocol—not just those connected via Wi-Fi. Direct Wi-Fi connection between the device and the printer is not supported by default,^[7] but has appeared as the 'HP ePrint Wireless Direct AirPrint' feature.

History and printer compatibility

Following the iPad's introduction in 2010, user concerns were raised about the product's inability to print, at least through a supported Apple solution. Apple founder and CEO Steve Jobs reportedly replied to a user request for printing in an email with, "It will come", in May 2010.^[6]

AirPrint's Fall 2010 introduction, as part of iOS 4.2, gave iPhones and iPads printing capability for the first time. AirPrint for Mac computers was introduced in the Mac OS X Lion release.^[7]

At launch, twelve printers were AirPrint compatible,^[8] all of them from the HP Photosmart Plus e-All-in-One series. As of July 2014, that number had grown to about 1,100 compatible printer models from two dozen different manufacturers. The current list can be found on Apple's support site.^[7] The related technology is covered by US patent no. 20110194123, "Printer that supports driverless printing".^[9]

Legacy printer support

A number of software solutions allow for non-AirPrint printers to be used with iOS devices, by configuring support on an intermediary system accessible via Wi-Fi, connected to the printer. Since AirPrint is driverless, such a configuration compensates for the printer's lack of native AirPrint support by using the drivers on the intermediary system instead.

The simplest solution for all platforms is to create a new Bonjour service that tricks iOS clients into believing they're talking to an AirPrint device. Many blog posts and commercial software products exist to accomplish this, as well as open source solutions in Linux.^[3] This works in many cases because AirPrint is an extension of the Internet Printing Protocol (IPP), which many printers already support either directly, or as a result of being shared through an intermediary system (typically CUPS, the Mac/Linux printing system). This approach is limited however, as the AirPrint-specific components of the protocol are missing. This can lead to compatibility issues and unexpected results. Some software packages address this completely by translating between the two dialects of IPP, avoiding compatibility issues, while most just re-share printers using the AirPrint service name.

On macOS, a Bonjour service exists that enables AirPrint support for legacy printers.^[12] Commercial macOS software for this purpose includes Netputing handyPrint^[13] and Ecamm Printopia.^[14]

In most GNU/Linux distributions, AirPrint support should be automatic with the CUPS default printing subsystem since version 1.4.6 (such as Trisquel 5 and Ubuntu 11.04^[15]). CUPS servers before version 1.4.6 with DNS based Service Discovery can also be configured manually, by adding DNS-SD printer service discovery records to a name server.^[16]

Apps and utilities

There are a number of 3rd party solutions, available on the Apple App Store and elsewhere, that allow printing to legacy printers directly or via an application helper. Netgear Genie, for both Mac OS X 10.6 or above and Windows XP, Vista, 7 and 8. Genie permits any shared, network attached printer to be made accessible via Airprint. The application is free for customers of current Netgear routers.^[17] Printopia Pro is a commercial solution designed to allow AirPrint to work on large business and education networks. It offers features useful to large organizations including centralized management, directory integration, and allows AirPrint to operate across subnets. It requires a server running Mac OS X 10.7 or later, and one server can potentially serve an entire organization.^[18]

See also

References

1. ^{{Citation | title = iPad | contribution = Software update | publisher = Apple | place = UK | url = https://www.apple.com/uk/ipad/software-update/}}
2. ^¹{{cite press release | publisher = Apple | title = AirPrint | url = https://www.apple.com/uk/pr/library/2010/09/15airprint.html | date = September 15, 2010 | location = UK}}
3. ^¹{{cite web | title = AirPrint & GNU/Linux | last = Finnie | first = Ryan | type = how-to | url= http://www.finnie.org/2010/11/13/airprint-and-linux/ | date = November 13, 2010 | accessdate=November 2, 2013}}
4. ^{{Citation | title = AirPrint: how to make it work for shared printers | date = November 11, 2010 | url = http://www.tuaw.com/2010/11/11/airprint-how-to-make-it-work-for-shared-printers/ | publisher = TUAW}}
5. ^{{cite web | title = Printing from iPad AirPrint via Cups | type = how-to | url = http://www.rho.cc/index.php/linux2/48-misc/104-printing-from-ipad-airprint-via-cups | publisher = Rho | place = CC|accessdate= November 2, 2013}}
6. ^{{cite news | url = http://www.macrumors.com/2010/05/10/steve-jobs-says-printing-will-come-for-ipad/ | work = MacRumors | first= Arnold | last = Kim | title =Steve Jobs Says Printing "Will Come" for iPad | date= May 9, 2010|accessdate = November 2, 2013}}
7. ^¹²{{cite web |title=About AirPrint |url=https://support.apple.com/HT201311 |publisher=Apple |date=September 28, 2015 |accessdate=October 31, 2015}}
8. ^{{cite news | url= http://www.sfgate.com/cgi-bin/article.cgi?f=/g/a/2010/12/01/businessinsider-printers-that-work-with-apples-air-print-heres-the-list-2010-12.DTL | work = The San Francisco Chronicle | first= Steve | last = Kovach | title =Only 12 Printers Work With Apple's AirPrint — Here's The List (AAPL, HPQ) | date = January 7, 2011|accessdate=November 2, 2013}}
9. ^{{Citation | type = patent | accessdate= June 12, 2014 | url = http://www.faqs.org/patents/app/20110194123 | title = Printer that supports driverless printing | contribution = Facsimile and static presentation processing (e.g., processing data for printer, etc.) size, resolution, or scale control | publisher = FAQs}}
10. ^{{cite web|url=http://forums.macrumors.com/showthread.php?t=1293865 |title=AirPrint Installer|publisher=Forums.macrumors.com|accessdate=November 2, 2013}}
11. ^{{cite web|url=http://www.collobos.com/|title = Collobos Presto|publisher=Collobos.com|accessdate=June 14, 2014}}
12. ^{{cite web|url=http://www.rigsb.net/2012/01/10/airprint-enable-your-legacy-printer | title = AirPrint enable your legacy printer | publisher =Rigsb.net|accessdate=November 2, 2013}}
13. ^{{cite web|url=http://netputing.com/handyprint/ | title = handyPrint (formerly known as AirPrint Activator) | publisher = Netputing.com|accessdate=November 2, 2013}}
14. ^{{cite web|url=http://www.ecamm.com/mac/printopia | title = Ecamm Printopia|publisher=Ecamm.com|accessdate=November 2, 2013}}
15. ^{{cite web|url=https://lists.ubuntu.com/archives/ubuntu-devel/2011-June/033611.html | work =Ubuntu Developers Mailing List|title = Please test AirPrint on Natty and Oneiric |date=June 2011 |accessdate=November 2, 2013}}
16. ^{{cite web|url=http://www.dns-sd.org/ServerStaticSetup.html | title = DNS Service Discovery | publisher = Dns-sd.org|accessdate=November 2, 2013}}
17. ^{{cite web|url=http://www.netgear.co.uk/about/press-releases/2012/05072012.aspx |title=Netgear Genie App Makes Any Printer Airprint-Compatible |publisher=Netgear.co.uk |date= |accessdate=November 2, 2013}}
18. ^{{cite web|url=http://www.printopiapro.com/details.html |title=iPhone and iPad printing for Enterprise |publisher=Printopia Pro |date= |accessdate=November 2, 2013}}