Hitachi PB Series User Manual page 33

Section 2
Precautions to be observed when changing the printings, print format,
data
When the following setup (1–2) is employed, the printing method is automatically
switched to single-scan control. You should bear in mind that the print quality varies
with the employed printing method, in particular when the Ink drop use percentage
is 04. To determine which printing method is currently selected, view the printing
specifications screen.
1 When the setting on line number is changed to one.
2 The ink drop use percentage is changed to 1/5 to 1/16.
Perform the following setup to make prints by the printing method of interlaced control.
1 Ensure that the setting on line number is two.
2 The particle use percentage is 04.
Ejecting the ink using the Manual menu
This feature is used to eject the ink from the nozzle with no intention of printing
(for maintenance purposes only).
Press the [Start up] key to make prints on paper.
You can abort the operation by pressing the [Cancel] key from either the
"Manual Control menu" screen or the confirmation screen.
Even if you perform the above ink ejection procedure with the print head cover
installed, the printer does not become ready for printing (but goes into the
standby state).
2.1 Startup 2–9