6-54
6.5.8 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
No ink ejection
from nozzle
Replace three-way
solenoid valve MV9.
Replace the MGV
filter.
Replace the circulation unit.
Yes
Is the problem
fixed?
No
Yes
No
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 supply
pump 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
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?
Replace the ink filter
Replace the MV1,2,4.
No
Yes
Is the problem
fixed?
Is MV1,2,4
sticking?
Repair the troubled
solenoid
Yes
No
Summary of Contents for IJ RX2
Page 1: ...Service Manual HITACHI Printer Model RX2 Revision Feb 2014 Version A ...
Page 13: ...1 8 2 External views Rear side 1 2 2 Main body internal ...
Page 14: ...1 9 1 2 3 Print head ...
Page 101: ...3 26 Circuit diagram of EZJ127A ...
Page 102: ...3 27 Circuit diagram of EZJ127B ...
Page 116: ...3 41 Circuit diagram of EZJ129 ...
Page 164: ...4 40 5 Reset the time of the R air filter to 0 on the Parts usage time management screen ...
Page 247: ...7 Attached Drawing 7 1 Circulation System Diagram Circulation System Diagram 7 1 ...
Page 249: ...7 3 7 2 2 Electrical Connection Diagram RX2 B Basic model 7 3 ...