Hitachi IJ UX - Page 267

6-49
6.4.11 Ink Pressure High
Ink Pressure High
Resume the
operation.
Is it above the upper limit?
(Indicated value >
standard value x 1.10)
Yes
No
Adjust the pressure to
standard value by the
pressure reducing valve
Check the indicated value and
standard value of the ink
pressure on the Operation
management screen.
Can the pressure be
adjusted by the pressure
reducing valve?
Replace the pressure reducing
valve.
Replace the pressure sensor.
Is the warning released?
Yes
Yes
No
No
Yes
No
Can the pressure be
adjusted by the pressure
reducing valve?