Toshiba 3511 用户手册

e-STUDIO3511/4511  TROUBLESHOOTING

5 - 74

November 2003  ©  TOSHIBA TEC

(1) Check if the main charger is installed normally.
(2) Check if the charger wire is broken.
(3) Check if any of the connector pins of the charger cleaner front/rear position detection switch is

disconnected.

(4) Check if the cleaning pads are damaged or removed.
(5) Check if any of the connector pins of the charger cleaner motor is disconnected.
(6) Replace the charger cleaner motor.
(7) Replace the LGC board.

(1) Is the main charger installed securely?
(2) Check if the spring of high-voltage supply contact point is deformed.
(3) Check if the charger wire is broken or the main charger grid is deformed.
(4) Check if any foreign matter is on the charger wire or main charger grid.

Is the revolver home position sensor working properly? (Perform the input check: 03-[FAX]ON/[2]/[C])

NO

1. Check if the connector or joint connector of the revolver home position sensor is

disconnected.

2. Check if the connector CN361 on the LGC board is disconnected.
3. Check if the connector pins are disconnected or the wires of harnesses are

open circuited.

4. Check if the conductor pattern on the LGC board is short circuited or open

circuited.

5. Replace the revolver home position sensor.
6. Replace the LGC board.

YES
1. Check if the conductor pattern on the LGC board is short circuited or open circuited.
2. Replace the LGC board.