Roland Advanced Jet AJ-1000 Service Notes page 120

2) Insert the Ink Tube straight to the joint part
of Pressure Pump .
3)
Tighten up the Adapter Screw.
Fix the tubes by Clamp.
19
Make sure that the tubes in the circled part
in the figure do not have slack.
Remove 6 screws that fix the Carriage Board.
20
3-35
Adapter Screw