Code :

Code: S2–1110
Display: Engine Failure: #S2-1110. Call for service if the problem persists
Description: The CPU in main board has some problem. (Booting error, Communication error etc.)
Remedy: 1) Turn the machine off then on. 2) If the problem persists, replace the main board(JC92–02722A).

Code: S2–331C, S2–331D, S2–3321
Display: Calibrating... Please Wait Wait delay time for lower fixing temperature… Supplying and mixing toner to developer unit. Please wait...
Description: These errors show the engine status.
Remedy: 1) Please wait until this error will disappear.

Code: S2–4210
Display: Front door is open. Close it
Description: Front cover is opened.
Remedy: 1) Open the front cover and close it correctly. 2) Open the front cover. 3) Check if the switch contact of the front cover is deformed. 4) Remove the right cover. 5) Check the connection between the cover open sensor and the joint board. Reconnect the harness. If the harness is defective, replace it. 6) Open the front cover. Check if the message is changed when pushing the micro switch(cover open sensor). 7) If the cover open sensor is defective, replace it.

Code: S2–4310
Display: Rear door is open. Close the door
Description: Rear cover is opened.
Remedy: 1) Open the rear cover and close it correctly. 2) Open the rear cover. 3) Check if the switch contact of the rear cover is deformed. 4) Remove the left cover. 5) Check the connection between the cover open sensor and HVPS board. Reconnect the harness. If the harness is defective, replace it. 6) Open the rear cover. Check if the message is changed when pushing the micro switch(cover open sensor). 7) If the cover open sensor is defective, replace it.

Code: S3–3121
Display: Scanner is locked
Description: Scanner module does not move. / Scanner lock error has occurred.
Remedy: 1) Check if the CIS unit is moving when power on. 2) Check if the flat cable is connected to the CIS unit properly. Reconnect or replace the cable. 3) If the CIS(0609-001573) is defective, replace it. 4) Check if there is any defective part in the scanner unit. (Gear, Belt, Motor etc.) • Gear-Belt (6602-003602) • Scan drive unit (JC97-04170A)

Code: S7–1110
Display: Engine System Failure: #S7-1110. Turn off then on
Description: Power 24V line is abnormal.
Remedy: 1) Check the 24V pin on SMPS board. If it is abnormal, replace the SMPS board(JC44-00092C (220V) / JC44-00091C (110V)). 2) Check the related cable. 3) If the SMPS is normal, replace the main board(JC92–02722A).

Code: S7–2110
Display: Fuser Failure: #S7-2110. Turn off then on
Description: Heater control relay is abnormal.
Remedy: 1) Turn the machine off. Re-install the fuser unit, then turn the machine on. 2) If the problem persists, replace the fuser drive board(FDB). 3) If the problem persists, replace the fuser unit(JC91–01177A (220V) / JC91–01176A (110V)).

Code: U1–2115, U1–2116
Display: Fuser unit Failure: #U1-2115. Turn off then on. Call for service if the problem persists Fuser unit Failure: #U1-2116. Turn off then on. Call for service if the problem persists
Description: The pressure control unit(Cam unit)of the fuser is abnormal.
Remedy: CAUTION The temperature gets hot around the fuser unit. To prevent burns, make sure the fuser unit area is cool before performing this procedure. 1) After checking the fuser installation, turn the machine off then on. 2) Open the rear cover. Lift up the right side and release the rear cover. 3) If there is no problem, remove 4 screws. 4) Lift up the both levers. Then take off the fuser unit. 5) Remove the fuser side cover L/R. Check if the Actuator cam, Gear cam are assembled correctly. 6) If there is no problem for above steps, assemble and reinstall fuser unit. Then turn the machine on. 7) If the same error persists, perform a Memory Clear (backup data in SWS first); if that does not work try reinstalling the firmware. 8) If the same error persists, replace the fuser unit(JC91–01177A (220V) / JC91–01176A (110V)) with new one. 9) If the same error persists, replace the main board(JC92–02722A).

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