Code :

Code: S6–3123
Display: Network Problem : IP Conflict
Description: Network has some problem. (IP address conflicts with that of other system. / Communication error / There is no response when checking the ping test.)
Remedy: Change the machine’s IP address. • Execute the Samsung Easy Printer Manager program. (Device setting - Network - IP address). Change the IP address. • In case of DHCP or Bootp, reboot the machine to receive a new IP address.

Code: S6–3210
Display: Error: #S6-3210 Turn off then on
Description: The communication error between the main board and the wireless board has occurred.
Remedy: 1) Check if the connection between the main board and the wireless board is normal. 2) If the connection is OK, replace the flat cable. 3) If the flat cable is OK, replace the WLAN board. 4) If the problem persists after replacing the WLAN board, replace the main board.

Code: U1–2320, U1–2330, U1–2340
Display: Error #U1-2320 Turn off then on Error #U1-2330 Turn off then on Error #U1-2340 Turn off then on
Description: The temperature control of fuser unit is abnormal. (U1–2320 : Open Heat Error / U1–2330 : Low Heat Error / U1–2340 : Over Heat Error)
Remedy: 1) Turn the machine off. Re-install the fuser unit. Then turn the machine on. Is the error message is disappeared? 2) If the problem persists, turn the machine off and remove the fuser unit. a) Check if the fuser connector is connected properly. b) Check if the input voltage is normal. c) Check if the thermistor is twisted or contaminated. 3) After confirming continuity in the fuser connector and the problem still exists; order an SMPS/HVPS and Fuser Unit and install as is necessary.

Code: U2–1112, U2–1113
Display: Error #U2-1112 Turn off then on Error #U2-1113 Turn off then on
Description: LSU Motor does not work normally.
Remedy: 1) Check if the LSU harness on the main board is connected properly. (picture- 1) 2) If it is OK, check that the LSU harness on LSU board is connected properly. (picture- 2,3) 3) Check if the LSU harness is defective. (picture- 4,5) 4) If the problem persists, replace the LSU. 5) If the problem persists after replacing LSU, replace the main board.

Code: U3–3313, U3–3314
Display: Document jam. Remove jam. Document jam. Remove jam.
Description: A document jam was detected in the ADF unit.
Remedy: 1) Remove the jammed paper from ADF unit. 2) If the error persists, turn the machine off then on. 3) If the document jam occurs continually, open the ADF cover-top. Check if the ADF pick up roller is contaminated or worn out. Clean or replace it. 4) If the pick up roller is OK, check the followings. a) Check if the ADF motor is working normally. b) Check if the connector on the ADF joint board is connected correctly. 5) If the problem persists, replace the ADF unit.

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