Finding Out The Head Voltage - Epson Stylus COLOR 1520 Service Manual

EPSON Stylus COLOR 1520

4.1.3.1 Finding out the Head Voltage

Normally, the head voltage is not acknowledged without checking the head ID by removing the head.
This program is, however, designed to read the head voltage data stored in the EEPPROM on the MAIN
Board. This section described how to find out the head voltages.
1. Connect the printer and the host computer with a parallel interface cable.
2. Run the adjustment program in the host computer.
3. Input the customer data. (Refer to Section 4.1.2.)
4. Move the cursor using
the main menu appears on the monitor.
5. Move the cursor using
printer prints out the check patterns and the item shown below;
6. TITLE
[C211 ] Stylus COLOR 1520 BK:<B1, B2, B3, B4, B5, B6, B7, B8>
***
6. Head ID (head voltage) is identified as described below;
B2 and B3
B5 : Represents the black head rank value
B7 and B8
B1, B4 and B6 are usually "0" and you can ignore them when inputting the head voltage. Apply the
same procedure for the color head.
4-6
 
or key to select "ADJUST" in the 1st menu. Then press the Enter key, and
 
or key to select "A4 CHECK PATTERN". Then press the Enter key, and the
: Represent the black head drive voltage for the normal dot
: Represent the black head drive voltage for the microweave dot
YMC:<C1, C2, C3, C4, C5, C6, C7, C8>
Rev. A