Operating principles of the electrical circuits

Printhead Epson Electric Scheme

The EPSON Stylus COLOR 500 contains the following circuit board units C161 MAIN C198 MAIN Board main control circuit board C160 PSB PSE Board power supply circuit board . This board is the same as for the Stylus COLOR C161 PNL control panel board In addition to the circuit boards above, part of the printhead driver circuit is built on a separate circuit board installed in the carriage unit the printhead is attached directly to this board. The figure below shows a block diagram of the electrical...

Acaution

This switch is for the primary power supply circuit. Therefore, you must put the printer in the waiting condition to make it cap the head before power off. The control panel for this printer is in the center of the upper case. The panel has 3 non-lock type pushbuttons and 4 LEDs. 1.4.2.1 Buttons and Indicators Cleaning Black This button makes the printer perform the black head cleaning. Cleaning Color This button makes the printer perform the color head cleaning. Load Eject After you hold down...

Lubrication And Adhesives

The printer must be lubricated properly when the printer is disassembled for component replacement, or if the mechanical noise exceeds a certain level. EPSON recommends only the lubricants listed in table below for this printer, both of which have been tested extensively and found to comply with the requirements of this printer mechanism. Figure 6-1 shows the lubrication points and adhesive points. Note E EPSON Exclusive product Not commercially available Table 6-2. Lubrication and Adhesive...