Toshiba e-STUDIO6520c - Page 499

6
© 2008-2011 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO5520C/6520C/6530C
ERROR CODE and TROUBLESHOOTING
6 - 117
(3) Perform the automatic gamma adjustment. If the adjustment is normally finished, this is the end
of the procedure. If the error CE41 still occurs, repeat the procedure from step 1.
(4) Check if the harness between the connector CN423 on the IMG board and the connector CN319
on the LGC board is disconnected or open circuited. Correct if so.
(5) Check if the harness between the connector CN424 on the IMG board and the connector CN320
on the LGC board is disconnected or open circuited. Correct if so.
(6) Check if the conductor patterns on the IMG board and the LGC board are short circuited or open
circuited.
(7) If no abnormality is found in steps 4 to 6 above, replace the IMG board.
(8) Perform automatic gamma adjustment. If the adjustment is normally finished, this is the end of
the procedure. If the error CE41 still occurs, proceed to step 9.
(9) Reinstall the removed IMG board and then replace the LGC board.
* Perform automatic gamma adjustment after the board is replaced.
[CE42] Image quality TRC control test pattern abnormality (EFI printer board)
(1) Check if the connector between CN135 of the SYS board and CN422 of the IMG board is
connected securely.
(2) Check if the harness or connector between CN116 and CN132 of the SYS board and the HDD is
disconnected or open circuited. Correct if it is.
(3) Format the HDD. (Key in “2” in the code 08-690.)
(4) Replace the HDD.
(5) Replace the SYS board.
[CE50] Temperature/humidity sensor abnormality
[CE60] Drum thermistor Y abnormal
[CE90] Drum thermistor K abnormal
(1) Check if there is any abnormality on the connector between the equipment and the EPU tray of
the process unit. (05-2788)
(2) Is the harness between the LGC board and the drawer connector for developer unit
disconnected?
(3) Is the harness inside of the developer unit and the harness of the drum thermistor Y or K
disconnected?
(4) Is the connector CN341 on the LGC board, or the connector of the drum thermistor Y or K
disconnected?
(5) Replace the drum thermistor Y or K.
(6) Replace the EPU board.
(7) Replace the LGC board.
Is the connector CN310 on the LGC board or the connector of the temperature/humidity
sensor disconnected?
Is the harness between the LGC board and the temperature/humidity sensor disconnected?
È YESÆ Connect the connector securely. Replace the harness.
NO
1. Replace the temperature/humidity sensor.
2. Replace the LGC board.