Hitachi PH Instruction Manual page 247

7-35 ● Ink Drop Generation Status Checkout Procedure
Ink drop shape
Ink column
Nozzle
Large in diameter
Small-diameter drops attached
Small-diameter drops left detached
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
Ink drop generation status checkout table
Judgment
Ink drop
Separated ink end
positioned forward
Name Remarks
A mode Good
B mode Superior
High-speed
small-diameter
mode
Adequate
Two or fewer
small-diameter
drops
Constant-speed
small-diameter Poor
mode
Low-speed
small-diameter Poor
mode