Talk:LED printer

message: I doubt leds burn out from repeated switching, or at least not nearly as fast as incandescent lights.
There is no mechanical stress involved from thermal cycling. — Preceding unsigned comment added by 141.85.37.248 (talk) 14:00, 30 January 2007 (UTC)
replies: text: If the sources listed had been READ, it would have seen this concern listed in two of the sources Zotel - the Stub Maker 22:28, 30 January 2007 (UTC)
thread_title:  Unnamed discussion January 2007 

message: There are 23 different LED-related pages, and I think there should be less than half that many. I've started a discussion on this at Talk:Light-emitting_diode#An_absurd_number_of_articles_involving_light-emitting_diodes; please come and join in. -- Dan Griscom (talk) 03:14, 3 March 2009 (UTC)
thread_title:  Reorganizing LED-related pages 

message: Opening Text
I have a few suggestions to improve this article, but would prefer to get feedback before making modifications.  I think the opening of the article could be expanded.
An LED printer is a type of computer printer. LED technology uses a light-emitting diode array as a light source in the printhead. The LED bar pulse-flashes across the entire page width and creates the image on the print drum or belt as it moves past.
Is "LED Technology" the most appropriate descriptor?  It seems too general to me, since that term may encompass many other unrelated products.  Perhaps LED Print Technology or LED Imaging Technology?
The article mentions that LEDs are used as the light source but does not elaborate on how this works in the overall print process.
LED bar could be defined perhaps?  Is the LED bar the printhead? 
LEDs are more efficient and reliable than conventional laser printers, since they have fewer moving parts.
This point does not seem to be substantiated by the references included. 
The three most popular  core technologies in consumer print devices (excluding press-class devices) are ink jet, laser, and LED.   The latter two have almost the same parts: feed mechanisms, an imaging device, a drum or transfer belt, and a fuser component.  In establishing "efficiency" or "reliability" it seems more correct to identify the differences of the construction of the imaging device, rather than the entire print device.
Depending on design, LED printers can have faster rates of print than some laser-based designs, and are generally cheaper to manufacture.
Could this possibly be outdated information?  I did not find a good aggregate article to point to, but in comparing top speed, LED class printers on the market generally have slower engine speeds than laser class printers.
LED printing was invented by Casio.[1]
While mentioned in the reference article 1 , there is very little supporting information in the reference article.
Reference Quality
The reference provided  has no author, and appears to be more than 7 years out of date.  (As of my read date is Jan 2002)
--Ideahunter (talk) 03:50, 18 May 2009 (UTC)
thread_title:  Suggestions 

message: The article as it stands needs citations badly. The article includes a link to an article on an external website concerning OKIDATA products but that external article contradicts the claims about the downside of LED technology made in this page.CecilWard (talk) 09:32, 4 November 2009 (UTC)
thread_title:  Lacking citations 

message: New product category that might or might not belong on this page.
Patent application here:
https://encrypted.google.com/patents/US5177405
It looks like:
* there's some control electronics and some LEDs
* traditionally, they're fabricated separately
* traditionally, the connection between them is parallel
** that imposes space and cost constraints, because of having a large number of connections
* there's a trick, where diodes can be arranged in parallel, with sideways connections, so that one at a time turns on, and in doing so it triggers the next one to turn on (aka scanning along the strip)
* there isn't enough control of light output to make a good printer
* if instead, other electronics does the scanning, and is connected in parallel to the leds, and these two are fabricated together, this gets over the problem with large numbers of connections
Any better analysis will need to be done by someone who knows more electronics than I do.
ArthurDent006.5 (talk) 01:55, 30 January 2015 (UTC)
thread_title:  s-led aka self-scanning-led printers 

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thread_title:  External links modified