Toshiba e-STUDIO355 - Page 437

6
© 2009 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO205L/255/305/355/455
ERROR CODE AND TROUBLESHOOTING
6 - 33
[E550] Paper remaining on the transport path
Is the ADU entrance sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[D])
l
l
l
l
l
l
l
l

NO  1. Check if the connector of the ADU entrance sensor is disconnected.
2. Check if the connector CN311 on the LGC board is disconnected.
3. Check if the connector pins are disconnected and the harnesses are
open circuited.
4. Check if the conductor patterns on the LGC board are short circuited
or open circuited.
5. Replace the ADU entrance sensor.
6. Replace the LGC board.
YES
Is the exit motor (rotating in reverse) working?
(Perform the output check in the test mode: 03-121/171)
l
l
l
l
l
l
l
l
l
l
l
l

NO  1. Check if the connector of the exit motor is disconnected.
2. Check if the connector CN402 and CN405 on the exit board is
disconnected.
3. Check if the connector CN303 on the LGC board is disconnected.
4. Check if the connector pins are disconnected and the harnesses are
open circuited.
5. Check if the conductor pattern on the LGC board and exit board is
short circuited or open circuited.
6. Replace the exit motor.
7. Replace the ADU exit sensor.
8. Replace the exit board.
9. Replace the LGC board.
YES
Check the rollers in the ADU and the exit roller of the equipment. Replace them if they are
worn out.
Open the cover of the unit/area whose picture is blinking on the control panel. Is there any
paper on the transport path?

YES  Remove the paper.
NO
Is the sensor in the jamming area working? (Perform the input check in the test mode: refer
to the following table)
l
l
l
l
l
l
l
l

NO 1. Check if the connector of the sensor is disconnected.
2. Check if any of the connectors on the LGC board is disconnected.
3. Check if the connector pins are disconnected and the harnesses are
open circuited.
4. Check if the conductor pattern on the LGC board is short circuited or
open circuited.
5. Replace the sensor.
6. Replace the LGC board.
YES
Replace the LGC board.