Roland Advanced Jet AJ-1000 Service Notes page 196

Serial Number from ZU50221
Turn on Printer Main Power SW.
1
Turn on SUB POWER SW while pressing [
2
keys to enter SERVICE MODE.
Select [I/S MENU] > [I/S CONTROL] > [HEAD UP/DOWN] >
3
[OPEN] and press [ENTER] key. Head Carriage moves up
and you can now move Head Carriage by hand.
Loosen Screw 3 shown in the figure at first. Then, loosen
4
Screw 1 and 2 shown in the figure to have a gap about
1.0mm between Drive Shaft Support and the head of the
screw.
<Rear View>
], [ ] and [ ]
[
4-49
Printer Main Power SW
], [ ], [ ] + POWER ON
[MENU] key
MENU
SERVICE MENU
SERVICE MENU
I/S MENU
[ ]
I/S MENU
I/S CONTROL
[ ]
I/S CONTROL
HEAD UP/DOWN
[ ]
HEAD UP/DOWN
OPEN
[ENTER]
Screw 3
Screw 1
Screw 2