Head Gap Adjustment - Epson Stylus COLOR 1520 Service Manual

EPSON Stylus &2/25 1520

4.1.8 Head GAP Adjustment

This operation is required when the black/color head or the both heads are removed or replaced. It is
performed to align the vertical lines between black and color heads.
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
the printer prints out the head gap adjustment patterns in the both LQ and SLQ modes.
6. Adjust the deviation referring to the flowchart below to make the deviation (D) less than 2/1 of the line
width in the LQ mode and 1/4 of the line width in the SLQ mode. (Refer to Figure 4-9.)
7. Press Space key to repeat the operation. Press the Enter key to exit "
main menu appears.
8. Select other adjustment 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 values are transferred to the printer when exiting this operation. Therefore do not turn off
the printer before executing "
4-12
or key to select
or key to select "
Figure 4-9. Head Gap Adjustment Flow
or key, or select "
or key to select
CAUTION
in the 1st menu. Then press
. Then press the Enter key, and
to exit the main menu.
and press Enter key to exit the adjustment
.
Enter key, and
, and the
Rev. A