Code :

Code: S5-3110
Display: Error #S5-3110 Call for service
Description: The communication error between main board and OPE board has occurred.
Remedy: 1) Turn the machine off then on. 2) If the problem persists, check the followings. a) Check the connection between main board and OPE board. Reconnect the harness. b) If the connection is OK, replace the main board or OPE board.

Code: S6-3123, S6-3128
Display: Network Problem: IP Conflict 802.1x Network Error
Description: IP address conflicts with that of other system.
Remedy: 1) Change the machine’s IP address. 2) Check the setting-up for 802.1x confirmation server.

Code: U1-2132, U1-2315, U1-2320
Display: Error # Turn off then on
Description: The temperature control of fuser unit is abnormal.
Remedy: 1) Check if the input voltage is normal. 2) Turn the machine off. Remove and reinstall the fuser unit. Be careful when connecting the AC-connector and Thermistor connector. 3) Turn the machine on. Is the error message is disappeared? 4) Check the followings. If the fuser unit has any problem, replace it. a) Check if the fuser connector is connected properly. b) Check if the halogen lamp voltage is normal. c) Check if the thermistor is contaminated or twisted. 5) If the problem persists, replace the main board or SMPS board.

Code: U1-2330, U1-2334
Display: Error # Turn off then on
Description: The temperature control of fuser unit is abnormal.
Remedy: 1) Check if the input voltage is normal. 2) Turn the machine off. Remove and reinstall the fuser unit. Be careful when connecting the AC-connector and Thermistor connector. 3) Turn the machine on. Is the error message is disappeared? 4) Check the followings. If the fuser unit has any problem, replace it. a) Check if the fuser connector is connected properly. b) Check if the halogen lamp voltage is normal. c) Check if the thermistor is contaminated or twisted. 5) If the problem persists, replace the main board or SMPS board.

Code: U1-2340, U1-234H
Display: Error # Turn off then on
Description: The temperature control of fuser unit is abnormal.
Remedy: 1) Check if the input voltage is normal. 2) Turn the machine off. Remove and reinstall the fuser unit. Be careful when connecting the AC-connector and Thermistor connector. 3) Turn the machine on. Is the error message is disappeared? 4) Check the followings. If the fuser unit has any problem, replace it. a) Check if the fuser connector is connected properly. b) Check if the halogen lamp voltage is normal. c) Check if the thermistor is contaminated or twisted. 5) If the problem persists, replace the main board or SMPS board.

Code: U2-6122, U2-6142
Display: Error # Turn off then on
Description: LSU Motor does not work normally. / LSU Hsync signal is abnormal.
Remedy: 1) Check if the LSU harness on the main board is connected properly. 2) If it is OK, check that the LSU harness on LSU board is connected properly. 3) Check if the LSU harness is defective. 4) If the problem persists, replace the LSU. 5) If the problem persists after replacing LSU, replace the main board.