Hitachi UX Twin Nozzle Service Manual page 22

Replenish the ink in the main ink tank.
6
And fill the ink into the ink circulation routes.
(Replace the solvent with ink)
Ink drainage
7
(Drainage ink due to insufficient replacement of
solvent with ink)
Ink replenishment (second replenishment)
8
(Fill the ink into the circulating system)
9 Pressure adjustment
(Set pressure to the standard value of the ink)
Adjustment of excitation voltage
10
(Touch screen operation, automatic setting)
Adjustment of APH gain
11
(Touch screen operation, automatic acquisition)
Setting of excitation voltage
12
(Confirm the actual print quality and the ink drop
mode and then, set the excitation voltage)
13 Readjustment of APH gain
(Touch screen operation, automatic setting)
Editing Print Data, etc.
14
(Print start delay, character height, etc.)
Back up (backup in service personnel
15
maintenance mode)
[Caution]
The inside of the circulation system may dry and the valves in the pump (check
valves/solenoid valves) may be drying/clogging depending on the temperature,
humidity, time duration during IJ Printer transportation and storage.
In that case, refer to the table above and recover the circulation system.
Press "Ink refill" on
<Circulation control> screen.
<NOTE 1> Insert the tip of the Printhead
into the beaker at Ink refill.
<NOTE 2> If the ink is not ejected from
the nozzle after the message of "Ink Jet
Startup Confirmation", refer to
"4.14 Troubleshooting Procedure for the
Circulation System". The check valve
in supply pump may be drying/clogging.
Press Ink drainage on <Circulation
control> screen. Follow the guidance
displayed on the screen to perform Ink
drainage.
Press "Ink refill" on <Circulation control >
screen.
<NOTE> Insert the tip of the Printhead
into the beaker at Ink refill.
Technical Manual
6.9 Adjusting the pressure
Service Manual
2.3.1 Excitation adjustment
Service Manual
2.3.4 Auto phase gain adjustment
Technical Manual
6.10 Excitation V adjustment
Service Manual
2.3.4 Auto phase gain adjustment
Instruction Manual
4. Creation and printing of messages
Service Manual
2.9 Back up
1-16