Hitachi PH - Page 247

7-35 ● Ink Drop Generation Status Checkout Procedure
Ink drop generation status checkout table
Ink drop shape Judgment Name Remarks
A mode Good
B mode Superior
High-speed
small-diameter
mode
Two or fewer
small-diameter
drops
Adequate
Constant-speed
small-diameter
mode
Poor
Low-speed
small-diameter
mode
Poor
In the case where the ink drop shape is poor, update the set value with an optimum set value
as in "7.13 Excitation Setting Adjustment" and check it again, or contact your local
distributor.
After the checkout, mount the print head cover.
4
Nozzle
Ink column Ink drop
Large in diameter
Small-diameter drops attached
Small-diameter drops left detached
Separated ink end
positioned forward