3-68
Confidential
(3) Remove the Tube at the lower side of the Supply valve ASSY and the joint of the Sub tank
at the pre-coat ink flow channel side, and cover the end of the Tube at the lower side with
a cloth, etc. to prevent it from getting dirty due to the pre-coat ink leakage.
(4) Remove the Tube at the upper side of the Supply valve ASSY at the pre-coat ink flow
channel side from the L joint of the Tube coming from the Ink refill unit and remove the
Supply valve ASSY.
Fig. 3-67
(5) Remove the Tube at the lower side of the Supply valve ASSY and the joint of the Sub tank
at the ink flow channel side, and cover the end of the Tube at the lower side with a cloth,
etc. to prevent it from getting dirty due to the ink leakage.
(6) Similarly, remove the Tube at the upper side of the Supply valve ASSY at the ink flow
channel side from the L joint of the Tube coming from the Ink refill unit and remove the
Supply valve ASSY.
(7) Tighten the four Taptite cup S M3 x 6 SR screws in the Supply pump ASSY.
Tube at the upper side
Tube at the lower side
Supply valve ASSY
Supply valve ASSY
at the ink flow
at the pre-coat ink
channel side
flow channel side