Printer Page Costs


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Printer Page Costs Explained

 
 
In December 2006, the International Organization for Standardization (ISO) body approved new standards for ink (ISO/IEC 24711) and color toner (ISO/IEC 19798) printer cartridge page yield measurements. These new standards complement the ISO/IEC 19752 yield standard for monochrome toner printer cartridges published in June 2004.
The new ISO standards for ink and color toner cartridge yields clearly define the key attributes that affect yield and apply robust statistical analysis so all manufacturers can utilize the same methodology when measuring yield. Until now, printer manufacturers have not been able to use a uniform methodology to measure cartridge yields.
 

Details of the ISO/IEC standards are available on the Web site www.iso.org/jtc1/sc28

 

What is page yield?

Page yield is the total number of pages that can be printed with a print cartridge. Until now, printer manufacturers have used a variety of methodologies to measure cartridge yields, making it challenging for you to accurately compare brands. That's why printer manufacturers worked in conjunction with the ISO to create new standards for measuring page yield. On December 13, 2006, the ISO approved the new standard for inkjet (ISO)/IEC 24711) and color toner (ISO/IEC 19798) printer cartridge page yield measurements. These new standards compliment the ISO/IEC 19752 yield standard for monochrome toner cartridges published in June 2004.
 

Why are page yield standards important?

These page yield standards will help you make more informed purchase decisions by objectively and accurately evaluating print cartridge yields. The new ISO standards for inkjet and toner cartridge yields clearly define the key attributes that affect page yield and apply robust statistical analysis so all manufacturers can utilize the same methodology when measuring yield.
 

How are the tests performed?

The ISO/IEC 24711 and 19798 specifications stipulate that page yield is determined using a standard suite, printed in a controlled environment, with printer default settings. Because the printer environment can affect page yield, the testing environment is controlled at a temperature of 23.0C +/- 2.0C.
The test suite, specified in ISO/IEC 24712, is designed to work with either A4 or 8.5x11" paper. The suite is a PDF file consisting of four typical customer pages and one diagnostic page is to be printed using the most recent version of a PDF reader.
 

How many cartridges and printers are used in the testing?

A minimum of nine cartridges or cartridge sets are tested until they reach end of life. This allows reliable estimates of the average predicted yield within statistically defined boundaries. The standards recommend attaining cartridges from a variety of manufacturing dates and locations for testing.
A minimum of three cartridge sets are tested on three different printers to avoid bias due to printer variability. An equal number of cartridge sets are run on each printer.
 

How are page yields calculated?

The reported ISO page yield must be at or below the lower 90% confidence interval of the mean. If there are 9 cartridges tested, the maximum ISO page yield is calculated as follows: ISO Page Yield = Average page yield - (1.86 * (std dev of page yield / 3))
 
Download ISO A4 Mono testpage
 

Are metered pages are cheaper?

 
The ISO Standard does not take into account the fact that a machine in the real world will not be used in controlled environment (at a temperature of 23.0C +/- 2.0C), by trained users, be in pristine condition, with a manufacture trained engineer standing by. most printers are never serviced unless they fail too often. then due to pressure of workloads on busy IT departments often only the symptoms are attended to. the ISO standard make no allowance for wasted prints due to a variety off reasons that are often present in the real world.
 

Pricing direct from manufacturers

Ricoh         

 
Simply our metered prints are only charged for when they have been completely printed and fully exited the machine, and normally any usage over the average is not charged for as extras*.
 
*(we sometimes operate a fair use policy normally in high coverage applications such as “Graphics Market, Commercial Printers” etc.).
*(Normally only for Colour devises).