Hitachi IJ UX, Service Manual

Page: 177 / 308

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11 Widen the Claws of Head H Clamp assembly and remove it from the harness of
the print head.
12 Remove the print head fixing screws (4 locations) on the rear of the unit and
remove the print head cable from the unit.
13 Mount the new print head by reverse order of the procedures above.
[NOTE] When Head H Clamp is mounted to the printer, please mount it as 14-wire cable
(the thickest cable) shall be placed at the most right end when viewed from the rear of
the printer. Please see the figure above.
14 Perform “Ink Replenishment” and adjust the pressure.
Make sure that there is no ink leak.
15 Perform “Excitation adjustment” and “Auto-phase gain adjustment”.
14-wire cable shall be placed at the most right end.
Use Head H Clamp assembly which you removed bundling
with new Print Head assembly Parts RX2.
Head H Clamp assembly
Claws
High voltage line
(White)
Video signal line(Black)
line(Black)
Cable Mark No. 3
Excitation line (Black)
Cable Mark No. 5
14-wire cable (Black)
[the thickest cable]
APH line(Black)
Cable Mark No. 2
FG line (Green)
[Note] Refer to the figures above when you mount the wires and cables.
Fixing screws
Fixing screws
Print Head cable