Toshiba e-studio 2555c, Service Manual

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© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
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[C1B0] LCF transport motor abnormality
Classification Error content
Paper feeding system related
service call The LCF transport motor is not rotating normally (when paper can
be fed from any drawer except the LCF).
Proce
dure
Check item Result Measure
Next
Step
1 Is the LCF transport motor
working? (Perform the
output check: 03-122/172) Yes 2
No • Check if the connector CN3, CN30 of the
LCF transport motor is disconnected.
• Check if the connector CN102 on the LCF
board is disconnected.
• Check if the signal line connector CN100 on
the LCF board is disconnected.
• Check if the power line connector CN101 on
the LCF board is disconnected.
• Check if the connector CN371 on the LGC
board is disconnected.
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the connector pins are
disconnected or the harnesses are open
circuited.
2 LCF transport motor
LGC board • Check if the connector pins are
disconnected or the harnesses are open
circuited.
• Check if the conductor patterns on the LCF
transport motor board, LCF board and LGC
board are short circuited or open circuited.
• Check if the PLL lock signal CN102-3 pin
output from the LCF board is always “L”
level.
• Check if the voltage supplied to the
microcomputer input terminal IC103-17 pin
is always “L” level.
Parts to be replaced Remark
LCF transport motor
LCF board
LGC board