Adjustment Program for Reset Printers

Note: Epson does not recommend or endorse the procedure described in this tutorial.

It is incredible to see how printing Epson get clogged. No matter how good they are, they are blocked without reason and not extricate themselves. Either you change the head or to manage congestion by using a liquid made by Epson, which costs a small fortune - when you arrive to find it. Thus, the technician poor has almost no chance to repair the printer.

First, we will study how the system works. It is a tube (called a “needle”) who makes a hole in the plastic cartridge, and in doing so creates a pressure seal that helps prevent ink leaks and create a sort of vacuum in the cartridge . If this is not empty, the ink would certainly flow completely if the head holes. That’s why when someone removes the cartridge (original or not) from an Epson printer, they cover the nozzle with a band: the band keeps the ink from flowing. When the cartridge is again in the printer, the tube is a hole in the band and creates the same pressure seal.

As you can see in Figure 1, between the ink tube and who will head the jet plate, passing through a filter ink and stored temporarily on the cavity, which is a small pool of ink.

Epson print head

Figure 1: Print head design.

Expulsion field works with piezoelectric elements (PZT alias, Piezo Electric Element) that, when “energy”, move and expel droplets of ink that come on paper. The ink is obviously not a straight line as you can see in Figure 2. As a result, it operates as a one-way valve - you can drag up the ink, but not vice versa.

Courses Epson ink

Figure 2: Ink over the print head.

The problem occurs when the ink (original or not) in filing jet plate. Solid ink and mouth holes. No matter how you try, the ink does not get out. And it is not good to throw a print head away …