Roland Advanced Jet AJ-1000 Service Notes page 109

Disconnect the tube from the Dumper and then,
5
evacuate all ink from the Sub Tank using the syringe
according to the following procedures.
1)
Connect the syringe to the tube and pull the piston.
Use the following special tool.
Tool NO.: 1000001400
Tool Name: TOOL, SYRINGE 20ML ST-064
2)
Disconnect the syringe from the tube and drain the
ink to the drain bottle through the Funnel.
Repeat the procedure 1) and 2) until the Sub Tank
3)
becomes squashed.
With the special tool (TOOL, SYRINGE 20ML
ST-064), it necessary to 6 or 7 times to
evacuate all the ink.
When the Sub Tank becomes squashed, do not
4)
disconnect the syringe and keep the piston pulled
by a hexagon wrench or the like to prevent the ink
from going back.
Tube
Special Tool
<View from the side>
Hexagon
Wrench
3-24
Funnel
Sub Tan
k