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2.3.4 Auto phase gain adjustment
● The gain of the auto phase detection voltage is automatically adjusted.
● Perform this adjustment after confirmation that the periphery of a gutter part within the nozzle
head is not made dirty with ink or the like and the printing head cover is correctly fixed.
● Be sure to perform this adjustment in the case of replacing the boards (EZJ125, 128, 133, 134) ,
the nozzle (including the print head) or changing the ink type.
● Perform this adjustment before “Excitation voltage setting”. After setting the optimum
excitation voltage, repeat this adjustment.
● This adjustment is performed when the IJ printer is in “Drop adjust” or “Standby” state.
1 Press Adjustment/operational checkout on the maintenance menu.
If Adjustment/operational checkout is not displayed on the maintenance menu, set the
service personnel maintenance mode on the login user selection screen.
The adjustment/operational checkout menu is then displayed.
2 Press Auto-phase gain adjustment.
The auto-phase gain adjustment screen then appears.
For information on changing to the service personnel maintenance mode, refer
to “2.1 Setting of service personnel maintenance mode.”
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