Toshiba e-STUDIO520 Service Handbook page 419

[C180] Tandem LCF tray-up motor is abnormality
Does the tray move?
(Perform the output check in the test mode: 03-270)
l NO
l
l
l
l
l
l
l
l
YES
Are the 3rd drawer/tandem LCF tray-up sensor and tandem LCF bottom sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[3]/[E], /[8]/[F])
l NO
l
l
l
l
l
l
l
l
YES
1) Check if the driving mechanism is abnormal.
2) Check if the conductor pattern on the LGC board is short circuited or open circuited.
3) Replace the LGC board.
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1) Check if the connector of the Tandem LCF tray-up motor is discon-
nected.
2) Check if the connector CN345 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 LCF board and LGC board are
short circuited or open circuited.
5) Replace the LCF tray-up moter.
6) Replace the LGC board.
1) Check if the connectors of the sensors are disconnected.
2) Check if the connector CN328, CN345 on the LGC board is discon-
nected.
3) Check if the slit reaches the sensors.
4) Check if the connector pins are disconnected and 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 LGC board.
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e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
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