6-65
No ink ejection
from nozzle
NOTICE
1.Do not repeat the nozzle backwash
procedure more than two times.
If it is repeated to an excess, the ink
becomes thin, thereby causing
disordered prints.
2.If the ink is thin and disordered prints
are encountered, replace the ink.
Execute the nozzle
backwash function.
Remove the orifice plate
from the nozzle, subject it
to ultrasonic cleaning, and
put it back on the nozzle.
No
Replace three-way
solenoid valve MV9.
Replace the MGV
filter.
Replace the circulation unit.
Yes
No
No
Is the EZJ126 board
CN13 connector,
EZJ132 board CN3
connector, or pump
motor connector
disconnected?
Replace the
EZJ126 board.
Yes
No
Is the pump
motor running?
No
Yes
Does three-way
solenoid valve
MV9 operate?
No
Yes
Yes
Replace the pressure-
reducing valve.
Replace the
circulation unit.
Connect any
disconnected connector.
Yes
Does the on-screen
pressure reading
represent the specified
value?
No
Yes
No
Yes
No
Yes
Replace the ink filter
Replace the MV1,2,4.
No
Yes
Repair the troubled
solenoid
Yes
No
Is the Ink flowing
from the Ink filter ”C”
Yes
Is the Ink flowing from
the Reducing valve ”C”
No
Yes
No
6.5.8 No ink ejection from nozzle
Is the problem
fixed?
No
Yes
No
Yes
Resume the
operation.
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is MV1,2,4
sticking?
Replace the connection
harness
Is the problem
fixed?
Yes
No
Yes
No
Is the connection
harness conducting?
Is the problem
fixed?
Содержание IJ UX
Страница 1: ...Service Manual HITACHI Printer Model UX Revision July 1 2015 Version ...
Страница 2: ... Revision of UX service manual Revision Chapter Revised Page Frist Edition ...
Страница 15: ...1 9 2 External views Rear side 1 2 2 Main body internal Appearance with inner cover T removed ...
Страница 16: ...1 10 1 2 3 Print head UX E UX D B Air exhaust port ...
Страница 107: ...3 27 Circuit diagram of EZJ127A ...
Страница 108: ...3 28 Circuit diagram of EZJ127B ...
Страница 122: ...3 42 Circuit diagram of EZJ129 ...
Страница 131: ...3 51 3 3 20 Electrical Connection Diagram ...
Страница 132: ...3 52 ...
Страница 188: ...4 55 5 Reset the time of the R air filter to 0 on the Parts usage time management screen ...
Страница 301: ...7 Attached Drawing 7 1 Circulation System Diagram Circulation System Diagram UX B D 7 1 ...
Страница 302: ...Circulation System Diagram UX E 7 2 ...
Страница 303: ...7 3 Location of Solenoid valve Location of ICU joint Reducing valve Viscometer Pressure sensor Makeup filter Motor Pump ...
Страница 304: ...7 2 Electrical Connection Diagram 7 2 1 Electrical Connection Diagram UX D E 7 4 Electrical Connection Diagram UX D E ...
Страница 305: ...7 5 7 2 2 Electrical Connection Diagram UX B Basic model Electrical Connection Diagram UX B ...
Страница 308: ... Nozzle diameter 65μm 7 8 7 4 Dimensions around charge electrode and deflection electrode ...