Hitachi PXR-D

7-33 ● Pressure Adjustment
3
Pressure-reducing valve
To raise the pressure : rotate clockwise.
To lower the pressure: rotate counterclockwise.
Note the ink pressure reading. If it is outside the standard value
range, open the maintenance cover and rotate the shaft at the center
of the pressure-reducing valve with a flat-blade screwdriver.
Make adjustments so that the pressure reading is the standard value ±0.002.