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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c TROUBLESHOOTING
5 - 9
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[E190] LCF misfeeding (paper not reaching the LCF feed sensor)
Open the LCF side cover. Is there any paper in front of the LCF feed sensor?
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YES Æ Remove the paper.
NO
Is the LCF feed sensor working? (Perform the input check: 03-[FAX]OFF/[5]/[G])
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NO Æ 1) Check if the connector of the LCF feed sensor is disconnected.
2) Check if either of the connectors CN100 or CN104 on the LCF board is dis-
connected.
3) Check if the connector CN344 on the LGC board is disconnected.
4) Check if the connector pins are disconnected or the harnesses are open
circuited.
5) Check if the conductor patterns on the LCF board and LGC board are short
circuited or open circuited.
6) Replace the LCF feed sensor.
7) Replace the LCF board.
8) Replace the LGC board.
YES
Is the LCF feed clutch working? (Perform the output check: 03-209)
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NO Æ 1) Check if the connector of the LCF feed clutch is disconnected.
2) Check if any of the connectors CN100, CN101 and CN103 on the LCF
board is disconnected.
3) Check if the connector CN344 on the LGC board is disconnected.
4) Check if the connector pins are disconnected or the harnesses are open
circuited.
5) Check if the conductor patterns on the LCF board and LGC board are short
circuited or open circuited.
6) Replace the LCF feed clutch.
7) Replace the LCF board.
8) Replace the LGC board.
YES
Check the LCF feed roller, separation roller and pickup roller. Replace them if they are worn
out.