Epson 900N, Service Manual

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EPSON Stylus COLOR 900/900N Chapter 1 Product Description
28
Printhead Alignment Mode
Follow these steps to align the printheads:
1. While holding down both the Load/Eject and Cleaning (black)
buttons, turn the printer on.
2. The printer prints an instruction sheet that shows how to adjust the
printer and current alignment.
3. Referring to the current alignment, press the Cleaning button until
the LED indicates the appropriate test number.
4. Press the Load/Eject button. The printer prints a test pattern.
5. Referring to the test patterns on the new printout, select the most
closely aligned pattern by pressing the Load/Eject button.
6. Press the Cleaning button.
7. Repeat steps 3 to 6 until all the test patterns are properly aligned.
8. Turn the printer off.
1.4.2.2 Special Setting Mode
While turning the printer on, press both the Load/Eject and Cleaning
buttons to start the special setting mode. While the Paper Out LED is
blinking, activate each function by pressing the appropriate button(s), as
described in Table 1-23.
Table 1-23. Special Setting Mode
NOTE: If you initialize the EEPROM, the Bi-D adjustment value is not erased and
you don’t have to perform a Bi-D adjustment as with previous models.
Switch Function
Load/Eject
While the Paper Out LED is blinking, press
the Load/Eject button to initialize the
EEPROM and reset the timer IC. (Refer to
the EEPROM Address Map in the Appendix.)
Cleaning
(Hold down for 10 seconds)
While the Paper Out LED is blinking, press
the Cleaning button for 10 seconds to reset
the waste ink counter. (Refer to the EEPROM
Address Map in the Appendix.)