Toshiba e-STUDIO520 Service Handbook page 371

(Second page or later of printing)
Leading edge of paper not reaching the fuser exit sensor.
l YES
l
l
l
l
l
NO
Is the intermediate transport sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[A])
l NO
l
YES
Is the transport motor rotating?
(Perform the output check in the test mode: 03-133,183)
l NO
l
l
l
l
l
l
l
l
l
l
l
l
l
YES
Check if the spring of the follower roller of the intermediate transport roller is working prop-
erly.
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If the paper is damaged, remove the paper and check the followings.
1) Check if the paper is skewed, and correct it if it is skewed.
2) Check the paper amount.
3) Check if the paper is not the one with printing on its back side.
4) Check if the width of the side guides of the drawer is too narrow.
5) Check the motor-related adjustment value.
1) Are paper dusts accumulated on the intermediate transport sensor?
2) Check if the harness is not damaged.
3) Check if the connector is disconnected.
Check if the bearing of the transportation roller is locked.
Replace the transport motor.
1) Check if the connector of the transport motor is disconnected.
2) Check if the connector CN327 on the LGC board is disconnected.
3) Check if the connector on the transport motor driving PC board is dis-
connected.
4) Check if the connector pins are disconnected and the harnesses are
open circuited.
5) Check if the conductor pattern on the LGC board is short circuited or
open circuited.
6) Check if the conductor pattern on the transport motor driving PC
board is short circuited or open circuited.
7) Replace the LGC board.
8) Replace the transport motor driving PC board.
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e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
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