Bi-Directional Adjustment - Epson PH890 Service Manual

EPSON Stylus Photo 890/1290
5. To exit or continue the program, refer to Figure 5-17."Exit Window" on
page -133.
The Head ID Input to EEPROM is not effective until the printer is
C A U T I O N
next turned on.

5.3.2 Bi-Directional Adjustment

This adjustment is required when line misalignment (incorrect print timing) between
the two directions (from left to right and vice versa) is noticed. The adjustment value is
memorized in EEPROM on the main board. You need to make this adjustment under
any of the following conditions.
When you:
n
Replace the printer mechanism.
n
Replace the main board.
n
Remove the CR motor.
n
Remove the CR unit.
NOTE: You are recommended you should make this adjustment if you disassemble the
carriage mechanism.
1. Start the program and input all the required information on the initial window.
Then the main menu appears on the screen. (See 5.2.4.1"Adjusting Program Initial
Setting" on page -131)
2. Select Bi-D from the main menu.
ADJUSTMENT
3. The Bi-Directional Adjustment window appears. Select Print Bi-D Adjustment
Pattern and click
4. Click OK, and then the Bi-D Adjustment Patterns will automatically be printed.
Figure 5-22. Bi-Directional Adjustment Pattern Printing
Individual Adjustment Program
.
OK
Figure 5-21. Bi-Directional Adjustment Window
Revision B
135