Hitachi IJ UX Service Manual page 207

６ Hold the tip of nozzle and remove the nozzle pulling it obliquely upward.
７ Attach a new nozzle and fix the nozzle setscrew, (2 locations), the nozzle IN joint
presser foot (shutoff valve side), the nozzle OUT joint and the excitation connector.
"Caution"
(1) Confirm that a filter is present in the terminal area (inside the shutoff valve)
of the nozzle In joint.
(2) Wet the insert portion inside the shutoff valve with the intensifier to make
it slippery and then, connect the nozzle IN joint.
"Caution"
If connection is imperfect, ink will below off.
８ Cut the recovery side tube of the new nozzle into a suitable length and connect the
nozzle OUT joint.
"Caution"
(1) Get rid of the tube remaining on the joint in the 5
(2) When the tube is hardly put in the joint because it slips, grasp the front edge
of the tube by a JK wiper or the like and put it in the joint.
９ Put the charged electrode in the new nozzle and fix the video signal wire on the
charged electrode.
10 Execute ink stream alignment on the circulation control screen.
"Caution"
(1) If you repeat ink stream alignment, it will be diluted. complete it by the third time.
11 Perform Excitation adjustment and Auto phase gain adjustment on the screen of
adjustment/operation checkout.
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