Roland Advanced Jet AJ-1000 Service Notes page 93

Tighten up the 2 screws in order as shown in the figure.
19
Connect the Tube to the Ink Damper.
20
Then, fix the flexible cable to the Head.
Turn on the Sub Power SW while pressing the Left, Right
21
and Down keys to enter the Service Mode.
<Top view>
2
1
<Near Side>
Flexible Cable
Tube
[ ], [
MENU
SERVICE MENU
3-8
], [ ] + POWER ON
[MENU] key