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The actual document yield of the laser printer cartridge must be one of the essential factors before thinking about getting a new photo printer, photo-copier or facsimile. This document yield will provide you with an estimated number of pages every toner cartridge might output before you run out. The key phrase is approximate since the sum of documents produced by each ink cartridge varies according to the coverage on the paper. Bold, underline, large written text size photos may require far more ink.

So that you can compute page costs you take the price of the ink cartridge then divide it by the page yield. That will give you the price for every document based on 5% coverage. If you consider of a normal company correspondence with an address panel, dear sir in addition to a number of lines of small plain text having a signature at the bottom which will supply you with approximately concept of 5% coverage. Anything more than may you will notice a substantial decline in the quantity of pages you are going to receive from your printer or toner cartridge before it runs out.

Page yield of printer cartridges are tested using a method called ISO/IEC 24711 for ink cartridges and ISO/IEC 19752 for mono toner cartridges.

The method for ISO/IEC 24711
Test is completed utilizing the printers default setting for plain paper, sets of 5 pages are printed till the cartridge reaches the tip of life which is when the printer either signals a lot of it is empty or perhaps the test papers become lighter or show discolouration. Earnings of 9 cartridges have to be tested on 3 different printers under controlled temperature and humidity conditions to become just as the house.
For colour ink cartridges the identical test is finished on a 3-colour composite page, a mix of cyan, magenta and yellow are use. Colour page yield for individual colour cartridges are based on utilizing the average yield which is gained by continuous print of all the so-called individual colour cartridges. For combined colour cartridges the yield depends on the 1st colour being empty.

The strategy for ISO/IEC 19752

This test is performed with all the printers default plain paper setting, a standard test page of approximately 5% coverage is employed during almost continuous printing that is certainly only stopped for adding paper. A complete of 9 cartridges are tested across 3 different printers under controlled temperature and humidity conditions to generally be similar to the house and also the average yield is calculated.
Printing continues until the cartridge reaches its end of life which is dependant on the printer indicating the toner is empty or even a decline in the standard of printed.

The technique for testing photo cartridges differs from the others; HP has published information on where did they test their cartridges which is the following.
The tests are conducted with all the photo printers default photo paper setting. 9 cartridges are tested across 3 different printers; the shades tested are standard colour, photo colour and grey. The test pages use images in the typical amateur photographer. The tests are conducted under controlled temperature and humidity conditions which almost continuous printing only being paused to provide more paper.
Printing continues till the cartridge reaches its terminal that is determined by the printer indicating the ink is empty.

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