Hitachi UX Twin-Nozzle Technical Manual page 138

When the shape of the ink drops is not allowed, update to the optimum set value at par. "6.10 Excitation
V adjustment" and check again. Or contact your local distributor.
After the check, install the print head cover.
3
6-33 ●Ink drop state check method
Ink drops creation state confirmation table
Ink drop shape
Judgment Name
A mode
B mode
High-speed
small-diameter
mode
Two or fewer
small-diameter
drops
Constant-speed
small-diameter
mode
Low-speed
small-diameter
mode
Remarks
Good
Perfect
Allowable
Not
allowed
Not
allowed