TASKalfa 3500i - C6600;C6720 Fuser Belt Errors; Flow chart

【How to check the unexecuted machine in the production line of the belt edge at failure】
C6600（Fuser Belt Rotation Error）/C6720（Fuser IH Belt
Rotation Error）/Fuser Belt Failure
<Flow chart>
No (A or later)
Yes
No
Whether the machine serial
number is less than A?
Yes
(Less than A)
Whether the fuser belt
edge was torn?
Adjust MOUNT FUSER JOINT using the tool.
Check Serial Number A of the main machine.
(Refer to the next page.)
Finish
Adjust MOUNT FUSER JOINT using the tool.
Finish
Flange key gets under the U-shape groove of
the heat roller or is raised.
Yes
No
The fuser belt edge is torn.
Is the fuser belt edge
repeatedly torn after
adjustment?
Replace the fuser unit with “5” or later of
the last digit parts number.
Replace the fuser unit with “5” or
later of the last digit parts number.
Replace the fuser unit with “5” or
later of the last digit parts number.
Check the amount of the
fuser belt stepping aside.
Finish
No
No
Yes
Yes
Does the fuser belt shift
0.3mm or less?
Check the amount of the fuser belt stepping aside.
No
Yes
Does the fuser belt shift
0.3mm or less?
Is the fuser belt edge repeatedly
torn after adjustment?
Finish
(-->)
Yes
(-->) No
For 6500i/8000i
88