3-1
3. Maintenance of controlling part
3.1 Construction of controlling part
The controlling part is mainly composed of a controller part of performing the display
and the data management, and an engine part of performing the printing control and
the circulation system control.
EZJ106 board
EZJ93 board
EZJ95 board
Multiple power supply
High voltage
power supply
When opening the cover of the controller part and the engine part, be sure to cut
off the power supply. The unit has such a part that high voltage is applied.
When performing the adjustment in a state where the cover is opened, be fully
careful about an electric shock.
Caution against electric shock
[Engine part (cover-opening state)]
Cover fixing screws
(Two locations)
Engine part
Controller part
Electrical component cover
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 ...