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6-38
6.4.7 Ink Pressure High
Ink Pressure High
Resume the
operation.
Is it above the upper limit?
(Indicated value > standard
value x 1.10)
Yes
No
Turn the shaft at the
center of the pressure
reducing valve clockwise,
and reduce the pressure
to be within the upper
and lower limits.
Check the indicated value and
standard value of the ink
pressure on the Operation
management screen.
Can the pressure be
adjusted by the pressure
reducing valve?
Replace the pressure reducing
valve.
Replace the pressure sensor.
Is the warning released?
Yes
No
No
No
Yes
No
Can the pressure be
adjusted by the pressure
reducing valve?
Summary of Contents for IJ PH
Page 1: ...Service Manual HITACHI Printer Model PH Revision Aug 2011 Version First edition ...
Page 2: ... Revision of PH service manual Revision Chapter Revised Page ...
Page 13: ...1 2 2 Main body internal PH D 1 8 ...
Page 80: ...3 25 3 25 Circuit diagram of EZJ95 ...
Page 201: ...7 1 7 Attached Drawing 7 1 Circulation System Diagram ...
Page 202: ...7 2 7 2 Electrical Connection Diagram ...
Page 205: ...7 5 7 4 Dimensions around charge electrode and deflection electrode Nozzle diameter 65 um ...