Hitachi IJ UX Service Manual page 162

4.9 Circulation Filter and Makeup Filter Replacement Procedure
１ Perform the procedures described in "4.1.2 Access to the parts on the front side of
equipment" and pull the Reservoir unit forward.
Replacement of circulation filter
２
Rotate the nut of the circulation filter and pull it out.
３
Remove the used O-ring and its filter and mount the new ones.
Makeup filter
Replacement of makeup filter
２ Rotate the nut of the makeup filter
and pull it out.
３ Remove the used O-ring and its filter
by tweezers and mount the new ones.
４
Reset the circulation filter time and/or the makeup filter time to "0" on the "Parts usage
time management" screen.(Second page of the circulation control screen)
Circulation filter
Nut
Filter
O-ring
4-29
Nut
Filter
O-ring
CAUTION
If the ink was accidentally
spilled, quickly wipe it off
with wiping paper, etc. In
addition, do not close the
maintenance cover until you
confirm that the wiped part
completely get dry.