6© 2008 - 2011 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520CERROR CODE AND TROUBLESHOOTING6 - 356.2.5 Cover open jam[E400] Jam access cover open1. Close the jam access cover if it is opened. Remove if there is any paper before closing it.2. Is the voltage of 24V being supplied from the power supply unit? (Perform the input check: 03-[FAX] ON/[2]/[B])3. Check if the connector CN361 on the LGC board is disconnected from the connector CN405 onthe switching regulator or the harnesses are open circuited. Correct if any.4. Check if the fuse (F201, F202, F203, and F204) on the switching regulator has blown.5. Replace the LGC board.6. Replace the switching regulator.7. Is the transfer cover switch working properly? (Perform the input check: 03-[FAX] ON/[3]/[D])8. Check if the connector CN338 on the LGC board is disconnected from the transfer cover switchor the harnesses are open circuited. Correct if any.[E410] Front cover open jam1. Close the front cover if it is opened.2. Is the voltage of 24V being supplied from the power supply unit? (Perform the input check: 03-[FAX] ON/[2]/[B])3. Check if the connector CN345 on the LGC board is disconnected from the connector CN405 onthe switching regulator or the harnesses are open circuited. Correct if any.4. Check if the fuse (F201, F202, F203, and F204) on the switching regulator has blown.5. Replace the LGC board.6. Replace the switching regulator.[E420] PFP side cover open jam1. Close the PFP side cover if it is opened. Remove if there is any paper before closing it.2. Is the PFP side cover opening/closing switch working? (Perform the input check: 03-[FAX]OFF/[2]/[F])3. Check if the connector CN349 on the LGC board is disconnected from the PFP side coveropening/closing switch or the harnesses are open circuited. Check if the connectors CN241 andCN243 on the PFP board are disconnected. Correct if any.4. Replace the PFP side cover opening/closing switch.5. Replace the PFP board.6. Replace the LGC board.[E430] ADU open jam1. Close the ADU if it is opened. Remove if there is any paper before closing it.2. Is the ADU opening/closing switch working? (Perform the input check: 03-[FAX]ON/[2]/[C])3. Check if the connector CN338 on the LGC board is disconnected from the ADU opening/closingswitch or the harnesses are open circuited. Check if the connectors CN211 and CN217 on theADU board are disconnected. Correct if any.4. Replace the ADU opening/closing switch.5. Replace the ADU board.6. Replace the LGC board.[E440] Side cover open jam1. Close the side cover if it is opened. Remove if there is any paper before closing it.2. Is the side door switch working? (Perform the input check: 03-[FAX]ON/[0]/[B])3. Check if the connector CN348 on the LGC board is disconnected from the side cover switch orthe harnesses are open circuited. Correct if any.4. Replace the side door switch.5. Replace the LGC board.
