Toshiba E-STUDIO520, Руководство по обслуживанию, Страница: 336 / 592

e-STUDIO520/600/720/850 TROUBLESHOOTING March 2005 © TOSHIBA TEC
5 - 8
[E201] 1st drawer transport jam (paper not reaching intermediate transport sensor)
[E211] 2nd drawer transport jam (paper not reaching intermediate transport sensor)
[E301] 3rd drawer transport jam (paper not reaching intermediate transport sensor)
[E331] 4th drawer transport jam (paper not reaching intermediate transport sensor)
[E3C1] Tandem LCF transport jam (paper not reaching intermediate transport sensor)
[E261] Option LCF transport jam (paper not reaching intermediate transport sensor)
[E2A1] Transport jam during duplex printing (paper not reaching intermediate transport sensor)
(First page of printing)
Is the intermediate transport sensor working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[A])
l
l
l
l
l
l
l
l
l
l
l
!
NO
"
Open the jam access cover. Remove the paper and check the follow-
ings.
1) Check if the connector of the intermediate transport sensor is discon-
nected.
2) Check if the connector CN327 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 LGC board.
YES
Is the transport motor rotating?
(Perform the output check in the test mode: 03-133,183)
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
!
NO
"
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.
YES
Is the 1st drawer transport clutch working?
(Perform the output check in the test mode: 03-210/225/229/230/231)
l
l
l
l
l
l
l
l
l
!
NO
"
1) Check if the connector of the 1st drawer transport clutch is discon-
nected.
2) Check if the connector CN305 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 clutch.
6) Replace the LGC board.
Check if the spring of the follower roller of the intermediate transport roller is working prop-
erly.