Epson Stylus 1500 Service Manual page 30

4. Repeat steps 2 and 3 until pattern 4 or 7 is printed.
The following is the order for the adjustments for this printer:
Pattern 1. Uni-D adjustment at 400 cps
Pattern 2. Bi-D adjustment at 100 cps
Pattern 3. Bi-D adjustment at 200 cps
Pattern 4. Bi-D adjustment at 400 cps
*
Pattern 5. Head gap adjustment (for black and color printheads in the carriage movement
direction at 100 cps)
*
Pattern 6. Head gap adjustment (for black and color printheads in the carriage movement
direction at 200 cps)
*
Pattern 7. Head gap adjustment (for black and color printheads in the paper feed
direction at 360 dpi.)
* If the color cartridge is not installed, pattern 4 is the final pattern, and the rest of the
adjustments (pattern 5, 6 and 7) are not executed.
No adjustment value specified is stored in the EEPROM until the printer is turned off.
The last adjustment value specified before power off is stored in the EEPROM.
Until all adjustments are executed, settings are not stored in the printer.
5. Turn off the power to exit adjustment mode.
EPSON Stylus 1500 Service Manual
ATTENTION
Printer Features
1-23