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60 percent of inkjet printer ink is thrown away

Consumers needlessly discard cartridges

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As much as 60 percent of the ink contained in a typical inkjet cartridge is wasted, when printers ask users to throw away half-full cartridges, according to research commissioned by Epson.

The printer company commissioned research laboratory TUV Rheinland to measure how much ink is used up and how much remains in an inkjet cartridge when the printer claims it's out of ink. The study revealed vast amounts of wastage: no matter which printer you choose, around half the ink you pay for goes unused. On average, inkjet printers provide an ink efficiency of just 58 percent when used for photo printing purposes and 47 percent when used for printing business documents such as presentations.

Research company TUV Rheinland performed comparative tests on eight different printers from well-known brands such as HP, Canon, Brother, Lexmark, Epson and Kodak. The Kodak EasyShare model that was included in the test proved to have an ink efficiency level of just 40 percent. By contrast, models made by Epson and one HP inkjet, were shown to have efficiency levels of around 80 percent.

The printers that scored particularly poorly were multi-ink cartridge models. This category included printers in which colours are supplied in a single unit of cyan, magenta and yellow as well as six-colour printers that have a five-colour ink cartridge. The printers each printed as many sample pages as possible until one of the colours was exhausted. The residual amount of ink that was unused was then recorded.

TUV Rheinland's Hartmut Mueller-Gerbes explained that tests were carried out separately for photo printing and for business printing. The sample photo prints used were chosen at random by a focus group while a typical PowerPoint presentation was used as the sample document for the business-focused efficiency test.

Here, explained Mueller-Gerbes, one colour tends to dominate as a presentation will have a particular colour theme "such as the light magenta used in our example or the light cyan used in my presentation". Because of this, business printing tends to drain one colour faster than any other and the printer alerts the user that replenishment ink is needed.

Epson commissioned the tests to measure the environmental impact of ink waste and to back up its assertion that it's less wasteful – as well as cheaper – to use a printer that has individual colour tanks. Epson sells inkjet printers only that have separate ink cartridges for each colour. This means that when one colour runs out, the consumer can replace a single cartridge, rather than having to replace all the colours when only one has been used up, as is the case with multi-ink cartridges.

The weight of the inkjet cartridges was taken before and after the tests to ascertain how much ink was in it. They also compared with the weight of an empty cartridge to arrive at a figure for the ink on its own. The cartridges were chemically cleaned to ensure the weight of the cartridge alone was factored in.

However, as conference attendees were quick to point out, the tests Epson commissioned did not measure the cost to the consumer, the number of pages each printer was able to produce before running out of colour and did not factor in the amount of ink used up by the cleaning cycle that printers routinely perform. This last factor is something industry experts believe accounts for a significant amount of ink waste.


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Ramona R. Battle - Ink Cartrid said: I just wanna say that we need to conserve everything we have right now or at least recycle the things that need to be recycled

puddy said: I havea epson acculaser Al C900 printer if you print 5000 blank pages the printer will say I am out of toner Theirs a small cogg that moves every time you print It then touchs a pressure switch and tells you its out of tonerI have found a way of pushing that cogg back in again In 5 years I have still not replacedrefilled any toner apart from Black A full set of toner cost more than the printer

Fred S. said: Ink Cartridges are like razor blades or playstation 3 video games they are THE source of income for manufacturers In some countries the printer hardware is almost 10x as much as it costs here - but the ink itself is much cheaper - maybe 12 the price This illustatres how a printer manufacturer changes its strategy based on geographic location and wealth and culture of the territory it is selling into In the north american market one of the richest in the world it is easier for them to make money by charging a lot for the ink and selling the hardware cheaper I prefer it this way this way I can get a machine that will do everything that I need or want it to for 300 as opposed to nearly 1000 and I am in control of how much I use my ink It helps the environment too

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