Toshiba E-STUDIO520 - Page 385

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TROUBLESHOOTING
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[EB50] Paper remaining on the transport path due to multiple feeding
In case the paper is fed from the 1st drawer, bypass unit or
Open the bypass unit cover. Is there any paper in front of the drawer feed sensor?
l
l

YES  Remove the paper.
* Clean or replace the feed roller and separation roller if this error
occurs frequently.
NO
Is the registration sensor working?
(Perform the input check in the test mode: 03-[FAX]ON/[4]/[E])
l
l
l
l
l
l
l
l

NO  1) Check if the connector of the registration sensor is disconnected.
2) Check if the connector CN341 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 registration sensor.
6) Replace the LGC board.
YES
Check the rollers. Clean or replace them.
In case the paper is fed from the 2nd drawer, 3rd drawer, 4th drawer, Tandem LCF
Open the bypass unit cover. Is there any paper in front of the 1st drawer transport sensor?
l
l

YES  Remove the paper.
* Clean or replace the feed roller and separation roller if this error
occurs frequently.
NO
Are the 1st drawer transport sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[C])
l
l
l
l
l
l
l
l
l

NO  1) Check if the connector of the 1st drawer transport sensor is discon-
nected.
2) Check if the connector CN329 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 1st drawer transport sensor.
6) Replace the LGC board.
YES
If any paper remains in the equipment or drawer, remove it.
Check the rollers. Clean or replace them.