Toshiba e-STUDIO6520C Service Handbook page 425

[EB50] Paper remaining on the transport path due to multiple feeding
When the paper is fed from any of the 1st drawer, bypass feed unit or ADU:
(When the paper is fed from the 1st drawer:)
1. Open the paper feed cover and check if there is any paper in front of the registration sensor
(when the paper is fed from the 1st drawer).
2. Is the 1st drawer feed sensor working? (Perform the input check: 03-[FAX]ON/[1]/[G])
* If it is working properly, proceed to 11. If not, check 3 to 10 below.
3. Check if the connector CN348 on the LGC board is disconnected from the 1st drawer feed
sensor or the harnesses are open circuited. Correct if any.
4. Replace the 1st drawer feed sensor.
5. Replace the LGC board.
(When the paper is fed from the bypass feed unit:)
1. Is the bypass feed sensor working? (Perform the input check: 03-[FAX]ON/[4]/[D])
2. Check if the connector CN347 on the LGC board is disconnected from the bypass feed sensor or
the harnesses are open circuited. Correct if any.
3. Replace the bypass feed sensor.
4. Replace the LGC board.
(When the paper is fed from the ADU:)
1. Is the ADU exit sensor working? (Perform the input check: 03-[FAX]ON/[4]/[A])
2. Check if the connector CN338 on the LGC board is disconnected from the ADU exit sensor or
the harnesses are open circuited. Check if the connectors CN211 and CN213 on the ADU board
are disconnected. Correct if any.
3. Replace the ADU exit sensor.
4. Replace the ADU board.
5. Replace the LGC board.
6. Is the registration sensor working? (Perform the input check: 03-[FAX]OFF/[7]/[F])
7. Check if the connector CN337 on the LGC board is disconnected from the registration sensor or
the harnesses are open circuited. Correct if any.
8. Replace the registration sensor
9. Replace the LGC board.
10.Check the rollers. Replace them if they are worn out.
When the paper is fed from any of the 2nd drawer, PFP or LCF:
1. Open the paper feed cover and check if there is any paper in front of the 1st drawer feed sensor.
Remove it if there is.
2. Are the 1st/2nd drawer feed sensors working? (Perform the input check: 03-[FAX]ON/[1]/[G], /[1]/
[F])
* If it is working properly, proceed to 11. If not, check 3 to 10 below.
3. Check if the connector CN348 on the LGC board is disconnected from the 1st and 2nd drawer
feed sensors or the harnesses are open circuited. Correct if any.
4. Replace the 1st/2nd drawer feed sensors.
5. Replace the LGC board.
6. Check the rollers. Replace them if they are worn out.
[EB60] Paper remaining on the transport path due to multiple feeding
1. Open the paper feed cover and check if there is any paper in front of the registration sensor.
Remove it if there is.
* If the error still occurs, check the following.
2. Is the registration sensor working? (Perform the input check: 03-[All OFF]/[4]/[B])
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3. Check if the connector CN516 on the PFC board is disconnected from the registration sensor or
the harnesses are open circuited. Correct if any.
4. Replace the registration sensor.
5. Replace the PFC board.
6. Check the rollers. Replace them if they are worn out.
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