Hitachi IJ PH Service Manual page 40

2.6.2 Confirmation of the ink viscosity coefficient
-Viscosity coefficient need to be fixed by "Viscometer calibration".
- Viscosity coefficient differs in each unit.
- Viscosity coefficient is not necessary to be changed usually.
- Be sure to perform the viscometer calibration after the viscometer is changed.
"Coefficient" confirmation method
This appears on the Unit information screen on the second page of the Service
maintenance screen.
The coefficient is printed (Check mark) is not printed for the viscometer of PH-D.
Viscometer No.
No Check mark
Status:XXXXXX
2-22
X