Print Head Replacement Procedure - Hitachi UX Twin Nozzle Service Manual

4.13 Print Head Replacement Procedure

1 Carry out "Ink drainage."
2 Turn off the power supply.
3 Open the maintenance cover and remove the print head connectors (10 locations) in the
control area.
[Caution]
When removing the print head connector which is connected to High voltage power supply,
loosen the screw of battery first, and then remove Board base cover UXT.
Be careful not to lose the removed screw.
EZJ133 board
EZJ134 board
EZJ125 board
Battery
4-57
Board base cover UXT
Loosen M3x8
Multiple power supply 1
EZJ133 board