TecJet S Series User Manual page 25

Print setting should be as the image up.
5 ） Advanced setting
Press "Entry advanced Setup" and enter Password 16753.
1) Voltage adjust should choose 512, it's default.
2) If ink emerge light or spitting, you can use higher voltage. If ink didn't continue,
and two much ink, please use lower voltage. The standard value is 512, and the
range of value is 460-580.
3) Color order (KCMYCM) can be changed as per your need.
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