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4.8 Pump part replacement
4.8.1 Pump Unit Replacement Procedure
1
Perform “Ink drainage” to “Pressure relief”.
2 Turn off the power supply.
3 Perform
“4.1.3 Access to the parts on the rear side of the equipment”, “(1) Access
method from the front
” and open the unit door.
[Caution] Be careful not to catch the tubes.
4 Remove the wire harness from the clamps (6 positions).
5 Disengage the connectors of the electrical parts (6 positions) (pressure sensor,
viscometer (3 positions), level sensor and float sensor).
5 positions
1 position
Summary of Contents for UX Twin Nozzle
Page 1: ...Service Manual HITACHI Printer UX Twin Nozzle Model Revision February 2017 Version A ...
Page 106: ...3 30 Circuit diagram of EZJ127A board ...
Page 123: ...3 47 Circuit diagram of EZJ129 board ...
Page 131: ...3 55 3 3 20 Electrical Connection Diagram ...
Page 151: ...4 17 7 Reset the time of the replaced solenoid to 0 on the Parts usage time management screen ...
Page 352: ...7 1 7 Attached Drawing 7 1 Circulation System Diagram Circulation System Diagram ...
Page 354: ...7 3 7 3 Electrical Connection Diagram Electrical Connection Diagram ...