
5-23
5.12
Head base Replacement Procedure
When the head base is damaged, it must be replaced. Follow the procedures below for replacement.
1
Remove the head cover and heater cover.
2
Remove the nozzles described in the item 5.8.
3
Remove the deflection base described in the item 5.11.
4
Remove the shutoff valves (MV9/MV29) described in the item 5.5.
5
Remove the heating unit described in the item 5.6.
6
Remove the gutter base described in the item 5.3.
7
Remove the FG
.
8
Remove the fixing screws of the APH sensor board.
9
Unscrew the fastening screws between the head base and the head cable,
and remove the head base.
10
Attach the new head base.
[Caution]
Do not mix up lead wires and tubes which are placed either at the front face (nozzle side)
or placed at the back face (high voltage cable side).
Front face: Ink-furnishing tube (E), cleaning tube (R, RR), circulation tube (J, JJ), air purge
E
:
Furnishing Tube
R, RR
:
Cleaning tube
J, JJ
:
Circulation tube
Nozzle excitation connector (2)
Nozzle excitation connector
(No mark is indicated)
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 ...