November 2003 © TOSHIBA TEC 5 - 21 e-STUDIO3511/4511 TROUBLESHOOTING
[E440] Side cover open jam
Is the side cover open?
YES Remove the paper if there is any, then shut the cover.
NO
Is the side door switch working?
(Perform the input check: 03-[FAX]OFF/[7]/[E])
NO 1. Check if the connector of the side door switch is disconnected.
2. Check if the connector CN345 on the LGC board is disconnected.
3. Check if the connector pins are disconnected or the harnesses are open circuited.
4. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5. Replace the side door switch.
6. Replace the LGC board.
YES
Replace the LGC board.
[E450] LCF side cover open jam
Is the LCF side cover open?
YES Remove the paper if there is any, then shut the cover.
NO
Is the LCF side cover opening/closing switch working?
(Perform the input check: 03-[FAX]OFF/[5]/[D])
NO 1. Check if the connector of the LCF side cover opening/closing switch is
disconnected.
2. Check if either of the connectors CN100 or CN106 on the LCF board is
disconnected.
3. Check if the connector CN332 on the LGC board is disconnected.
4. Check if the connector pins are disconnected or 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.
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