Hitachi UX Twin Nozzle Service Manual page 150

5 Remove the fixing screws (2 positions) of the solenoid valve.
[Caution] Put wiping paper under the solenoid valve to provide for an ink drip.
MV25
(Green)
MV28
(Gray)
6 Clean the portion stained with ink and then install the new solenoid valve in reverse order
of the procedures above.
[Caution] Securely set the O-ring in the groove of the solenoid valve.
Pay extra attention not to cause the O-ring to fall off or pinched.
MV3 MV4
Orange Yellow
MV6
MV5
Blue
Green
MV7
MV2
Purple
Red
MV1
MV8
Brown
Gray
Solenoid valve
O-ring(S24)
O-ring4.7-E227
4-16
Fixing screws
(2 Positions)
MV23
(Orange)