Roland Advanced Jet AJ-1000 Service Notes page 185

Remove the following covers.
5
Right I/S Cover
Left I/S Cover
Panel Cover
Right Top Cover
Left Cover
At the left side of the machine, loosen the 2 screws shown in
6
the figure on Pulley Stand.
Press Tension Gauge (ST-001) down perpendicularly onto
7
Belt at the position of 70mm from Rail Guide end.
Make sure the tension is between 0.97kgf and 1.18kgf when
Belt makes contact with the dent part which is hooked the
spring.
Adjust the tension by Adjustment Screw shown in the right
figure if the tension is not in the range between 0.97kgf and
1.18kgf.
Attach SOLENOID CUSHION (P/N.22265241)
onto the top of ST-001 to make a measurement
easier.
Left I/S Cover
Left Cover
<Front View>
<Front view>
Adjustment Screw
<Top View>
4-38
Panel Cover
Right Top Cover
Right I/S Cover
70mm
70mm