The above black ink series has 208 spray nozzles altogether and the colored ink is 192 spray nozzles.

 If all the spray nozzle completely pass examination, then on the display shows the above standard value, if it shows smaller than the above standard, then the difference reveals of the spray nozzle quantity which cannot print.

In the survey process please pay attention to that the probe and the dot should keep good contrectation , avoid miscalculate .

The most common breakdown of the Lexmark 70/80 series Ink Cartridge tester is the back three electronic contacts occurs shuts, the Ink Cartridge which shuts may print, but the performance already seriously dropped, service life shorter, and easily appears useless in production and stock process. At present , the Ink Cartridge tester may test the spray nozzle condition, but can’t find these bad products. Our company developed the three-LED Ink Cartridge tester , It can remove some common breakdowns through the three-LED Ink Cartridge. Which can greatly reduce the waste rate in purchase, production, and sales process, provides more outstanding terminal product.