Head Voltage Write Operation - Epson Stylus COLOR 1520 Service Manual

4.1.3 Head Voltage Write Operation

This operation is performed to write the print head drive voltages in the EEPROM. You need to perform
this operation whenever you replace the prihthead.
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
"
(head voltage) is marked on the left side of the head, as shown below.
6. Write the black head ID (head voltage), which is composed of 5 digits, as shown below,. The first 2
digits and the following 2 digits indicate the head ID for the normal dot and head ID for microweave
dot respectively. The last digit indicates the rank value.
Black Voltage (5- digit-ID) :
Color Voltage (5 digit-ID)
7. Press the Space key if you correct a wrong ID. Enter "0" to exit "
menu appears on the monitor.
Note If the Enter key is pressed, the initial ink charge is performed and the program returns to the
main menu.
8. Select other adjustment menu using
9. Move the cursor using
program.
; Adjusted values are not stored in the EEPROM until the printer is turned off. Therefore be sure to
turn off the printer once after the adjustment program is executed.
; The set value is transferred to the printer when this operation is executed. Therefore do not turn
off the printer before exiting "
Rev. A
or key to select
or key to select "
program starts. You are to input the data for the black head. The head ID
Figure 4-3. Head ID Marking
* * * * *
:
* * * * *
or key, or select "
or key to select "
WORK POINT
in the 1st menu. Then press t
. Then press the Enter key, and the
and press Enter key to exit the adjustment
.
Adjustment
Enter , and
, and the main
to exit the main menu.
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