Toshiba e-studio205L, Service Handbook, Page: 450 / 672

e-STUDIO205L/255/305/355/455 © 2009 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
6 - 46
[E450] LCF side cover opened during printing
[E480] Bridge unit opened during printing
Is the LCF side cover open?
YES Remove the paper if there is any, then close the cover.
NO
Is the LCF side cover opening/closing switch working?
(Perform the input check in the test mode: 03-[FAX]OFF/[4]/[B])
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NO 1. Check if the connector of the LCF side cover opening/closing switch
is disconnected.
2. Check if either of the connectors CN1 or CN7 on the LCF board is
disconnected.
3. Check if the connector CN318 on the LGC board is disconnected.
4. Check if the connector pins are disconnected and the harnesses are
open circuited.
5. Check if the conductor patterns on the LCF board and LGC board are
short circuited or open circuited.
6. Replace the LCF side cover opening/closing switch.
7. Replace the LCF board.
8. Replace the LGC board.
YES
1. Replace the LCF board.
2. Replace the LGC board.
Is the bridge unit open?
YES Remove the paper if there is any, then close the unit.
NO
Is the bridge unit opening/closing switch working?
(Perform the input check in the test mode: 03-[FAX]ON/[3]/[E] / 03-[FAX]ON/[4]/[E])
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NO 1. Check if the connector of the bridge unit opening/closing switch is
disconnected.
2. Check if the connector CN302 / CN400 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 bridge unit opening/closing switch.
6. Replace the LGC board.
YES
Replace the LGC board.