Toshiba e-STUDIO520 Service Handbook page 368

(Second page or later of printing)
Open the jam access cover. Is there any paper on the transport path?
l YES
l
l
l
l
l
NO
Is the intermediate transport sensor (S17) working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[A])
l NO
l
l
YES
Is the transport motor (M17) 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
YES
Check if the spring of the follower roller of the intermediate transport roller is working prop-
erly.
Check if the registration roller (rubber) is rotating smoothly.
e-STUDIO520/523/600/603/720/723/850/853
TROUBLESHOOTING
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) Replace the LGC board.
7) Replace the transport motor driving PC board.
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