User:Anningvet4

Epson ink cartridges - Inkjet printers have only become widespread only in the past few years, yet, the technology has been under development for decades. Inkjet printers appeared as early as 1950 and inkjet typewriters as early as the 1960’s. But the big research dollars started to flow in the 1970’s when virtually every major printer manufacturer invested in lengthy and mostly unsuccessful inkjet development programs, driven by the vision that inkjet was destined to replace impact (matrix) technology. The Achilles Heel of inkjet technology has always been twofold: reliability and print quality. It is very difficult to control the ink flow, and to prevent the ink from drying and clogging the print head. The print quality depends heavily on the complex relationship between ink, print head and receiver material (paper, film). By the end of the 1980’s, Canon and Hewlett-Packard mastered both the ink chemistry and the hydrodynamics required to produce a reliable, good quality inkjet printer.