e-STUDIO5520C/6520C/6530C © 2008-2011 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE and TROUBLESHOOTING
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(8) Replace the PFC board.
[CD81] TRU waste toner transport motor locking error
(1) Take off the TRU waste toner box, and then rotate the gear by hand to discharge the waste toner
on the transport path.
(2) If the gear still does not rotate smoothly, apply grease to it.
(3) Check if the TRU waste toner transport motor rotates.(Output check: 03-240)
(4) Check if toner is clogged on the TRU waste toner transport path.
(5) Check if any of the motor and the driving gears is improperly installed or deformed.
(6) Check if the connector of the motor is disconnected, and CN497 and CN490 on the ADU board
are disconnected.
(7) Check if the connector pins are disconnected or the wires of harnesses are open circuited.
(8) Replace the TRU waste toner transport motor.
(9) Replace the ADU board.
(10) Replace the PFC board.
[CD82] TRU waste toner full-status error
(1) Check if the TRU waste toner box is full of used toner.
(2) Replace it, if it is full. Check the following steps, if not.
(3) Check if the TRU waste toner amount detection sensor is working normally. (Input check: 03-
[FAX]OFF/[5]/[E])
(4) Check if the connector and the relay connector of the TRU waste toner amount detection sensor
disconnected.
(5) Are the connectors (CN491 and CN493) on the ADU board disconnected?
(6) Check if the conductor pattern on the ADU board or the harness is open circuited or short
circuited.
(7) Replace the TRU waste toner amount detection sensor.
(8) Replace the ADU board.
(9) Replace the PFC board.
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