e-STUDIO350/352/353/450/452/453
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TROUBLESHOOTING
5 - 4
[E220] Paper fed from the lower drawer not reaching the upper drawer feed sensor
[E310] Paper fed from the PFP upper drawer not reaching the upper drawer feed sensor
[E340] Paper fed from the PFP lower drawer not reaching the upper drawer feed sensor
[E3D0] Paper fed from the LCF not reaching the upper drawer feed sensor
Open the jam access cover. Is there paper in front of the upper drawer feed sensor?
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YES
Æ
Remove the paper.
NO
Is the upper drawer feed sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[6]/[E])
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NO
Æ
1) Check if the connector of the upper drawer feed sensor is disconnected.
2) Check if the connector CN318 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 pattern on the LGC board is short circuited or open
circuited.
5) Replace the upper drawer feed sensor.
6) Replace the LGC board.
YES
Are the transport clutches (high/low speed) working?
(Perform the output check in the test mode: 03-203, 205)
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NO
Æ
1) Check if the connectors of the transport clutches (high/low speed) are dis-
connected.
2) Check if the connector CN306 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 pattern on the LGC board is short circuited or open
circuited.
5) Replace the transport clutches (high/low speed).
6) Replace the LGC board.
YES
1) Check the condition of the feed roller, separation roller and pickup roller of each paper
source, and replace them if they are worn out.
2) Check the transport roller. Replace it if it is worn out.