Toshiba e-STUDIO350 Service Handbook page 498

[C1B0] LCF transport motor is abnormal
(paper can be fed from the drawers other than LCF drawer)
Is the LCF transport motor working? (Perform the output check in the test mode: 03-122/172)
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YES
1) Check if the connector pins are disconnected or the harnesses are open circuited.
2) Check if the conductor patterns on the LCF transport motor board, LCF board and LGC
board are short circuited or open circuited.
3) Check if the PLL lock signal CN102-3 pin output from the LCF board is always "L" level.
4) Check if the voltage supplied to the microcomputer input terminal IC103-17 is always "L"
level.
5) Replace the LCF transport motor.
6) Replace the LCF board.
7) Replace the LGC board.
e-STUDIO350/352/353/450/452/453
TROUBLESHOOTING
1) Check if the connector CN1 of the LCF transport motor is disconnected.
2) Check if the connector CN102 on the LCF board is disconnected.
3) Check if the signal line connector CN100 on the LCF board is discon-
nected.
4) Check if the power line connector CN101 on the LCF board is discon-
nected.
5) Check if the connector CN303 on the LGC board is disconnected.
6) Check if the connector pins are disconnected or the harnesses are open
circuited.
7) Check if the conductor patterns on the LCF transport motor board, LCF
board and LGC board are short circuited or open circuited.
8) Replace the LCF transport motor.
9) Replace the LCF board.
10)Replace the LGC board.
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