It has always been difficult to compare printer cartridge suppliers. They all used different methods of testing their cartridges, and the specifications from one couldn’t be compared with another.
This has changed in the last couple of years, however. In mid-2004 most of the top ink suppliers started to work under the International Standards Organization’s requirements for testing monochrome inkjet cartridges.
The ISO is recognized for developing standards for many different industries to offer a standardized, unbiased way of comparing or rating products.
With the ISO standards for printer cartridges, it give the consumer a reliable way of comparing brands and manufacturers of ink. The reported yield from their cartridges are all determined using the same methods, so the numbers are directly comparable.
The following are the things that are specified in the ISO standard:
– The test prints must use the printer’s default settings
– The tests are performed under strict temperature controls
– Both the cartridges and the printers used for testing must be available to the average consumer
–...
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