Hitachi UX Twin Nozzle Service Manual page 308

6.4.3 Viscosity Readings Out of Range
Viscosity Reading
Out of Range
Perform the viscometer
operation test on the
Circulation system control
screen.
Is it normally
measured?
Yes
Resume the
operation.
(*1) (*2): When you disassemble and clean or replace the Viscometer, refer to "4. 12
Troubleshooting when Fault Occurs in Viscometer".
No
Yes
Disconnect and reconnect the
following connectors.
▪ EZJ133: CN13, CN22, CN32
▪ EZJ138: CN1 to 6
▪ Proximity sensor, viscosity
Yes
Yes
Perform the viscometer
calibration
6-66
Replace the ink.
Is it normally measured?
No
Is it normally measured?
No
Disassemble and clean the
viscometer. *1
Is it normally measured?
No
Replace the viscometer*2