
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4.15.5 Repairing method for the recovery pump
Recovery filter 1
1 Operate the pump, MV1, and MV6 in this order on the
“Solenoid Valve/Pump Test”
screen.
2 Operate the pump with the pressure adjustment screw turned completely
clockwise to obtain the maximum pressure.
3 If the ink flows into the recovery tube, the repair work is completed.
If the pump cannot be repaired by pump operation for 10 minutes, replace the pump unit.
Recovery filter 2
1
Remove tube [AA] from MV23 (Solenoid) and then connect the tube to the hand pump
which is filled with makeup.
2 Start operating Pump 2 on the screen of
“Solenoid Valve/Pump Test”.
3 Apply pressure on the hand pump.
4 If makeup in the hand pump flows into Tube [5], the repair work is completed. But if
makeup in hand pump did not flow well within 10minutes, replace the pump head of
recovery pump 2.
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 ...