Toshiba e-STUDIO 2555C Service Manual page 679

Proce
Check item
dure
1 Does the tray go up?
(Perform the output check:
03-242, 243)
2 Is the tray-up sensor
working? (Perform the
input check: 03-[ALL]OFF/
[0]/[E], 03-[FAX]ON/[4]/[E]
DRV board
3
4 LGC board
Parts to be replaced
Tray-up motor
DRV board
LGC board
Tray-up sensor
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Result Measure
Yes
No • Check if the connector of the tray-up motor
is disconnected (J1079, CN457).
• Check if the connector on the DRV board is
disconnected. (CN450, CN451, CN457)
• Check if the connector on the LGC board is
disconnected (CN361, CN362).
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the conductor pattern on the LGC
board is short circuited or open circuited.
Yes
No • Check if the connector of the sensor is
disconnected (CN460, J1088, J1094,
J1097, J1103).
• Check if the connector on the DRV board is
disconnected. (CN450, CN451, CN460)
• Check if the connector on the LGC board is
disconnected (CN361, CN362).
• Check if the slit reaches the sensor.
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the conductor pattern on the LGC
board is short circuited or open circuited.
• Check if the conductor pattern on the DRV
board is short circuited or open circuited.
• Check if the conductor pattern on the LGC
board is short circuited or open circuited.
Remark
8 - 123
Next
Step
2
3
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8