Toshiba e-STUDIO6520C Service Handbook page 298

Load on the gear becomes heavier.
(1) Take off the transport guide-1 from the fuser unit.
Service Manual "14.6.3 Transport guide-1"
(2) Insert the gap confirmation jig at 2 points; the gap between the fuser belt center thermostat and
the fuser belt, and the gap between the fuser belt side thermostat and the fuser belt. Insert it
parallel to the thermostat surface.
(3) Confirm that the 1.6 mm section of the jig is inserted without touching, but its 2.2 mm section
makes contact. If this condition is met, end the procedure because no adjustment is needed. If it
is not, go to step (4).
(4) Change the screw hole of the adjustment screw to a long one. Leave the adjustment screw
loosened.
(5) Adjust the position of the bracket by moving it up or down while you are screwing until you can
insert the 1.6 mm section of the jig without touching, but its 2.2 mm section contacts the
thermostat surface.
(6) End the procedure when the statuses of both points meet the condition above.
e-STUDIO5520C/6520C/6530C
ADJUSTMENT
The slack of the fuser belt is
aligned with the satellite roller.
Fig. 3-98
Fig. 3-99
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Thermostat gap confirmation jig