Hitachi UX Twin Nozzle - EZJ125 Board (Nozzle1 Drive Board)

3-19
[Registerable languages based on the state of Language key]
- When you want to confirm the state of Language key, refer to page 2 of “Unit information” screen.
- Contact your local distributor for the details of registerable languages.
Information on
page 2 of
“Unit
information”
screen
Description
Registerable Languages

Language key is NOT installed or broken.
The language can be registered in
the area supported.
N
Unit serial number and the unit serial number
registered in Language key are different.
Y
Language key “Type A” all languages other than
Japanese is installed.
All languages can be registered
except Japanese.
J
Language key “Type B” all languages is installed.
All languages can be registered
including Japanese.
A
Indirectly-exported machine
(Corresponding to countries other than Japan)
3.3.5 EZJ125 board (Nozzle1 drive board)
[Function]
- Control of nozzle (charging voltage control, excitation voltage, APH detection, PTC
control etc.) is performed.
[Setting of switch/check point/LED display etc.]
- Setting of switch
Nozzle size
65µm
SW1
Set both bits up.
SW2
Set both bits up.
- Check point/ LED
Reference
number
Name
Contents
TP1
APH signal
Detection signal of charged amount of ink drop
TP3
GND
Ground
TP12
Charging
signal
Character signal which charged ink drop
TP14
Excitation
signal
Sine wave signal applied to a nozzle
TP15
PTC signal
PTC drive signal
LED1
APH signal
APH signal for checking with eyes
With respect to the
excitation adjustment,
refer to “2.3.1 Excitation
adjustment”.
With respect to the
charging voltage
confirmation, refer to
“2.3.2 Charging voltage
confirmation”.
Mark
Mark