Samsung CLX8650ND

• Code: A1-2311, A1-2312, A1-2313
• Display: Motor Failure: #. Turn off then on. Call for service if the problem persists
• Description: Magenta OPC motor operation is abnormal.
• Remedy: • A1-2311 : Magenta OPC motor is stopped but machine recognizes it as operational. • A1-2312 : Magenta OPC motor is not operated for print-job. • A1-2313 : Magenta OPC motor is operating but machine recognizes status as "Stopped". 1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Open the front cover. Check if there are any foreign substances or paper around magenta drum drive unit. 3) Turn the machine on. If the error persists, turn the machine off again. 4) Remove the rear cover after removing 7 screws. 5) Check if the magenta OPC motor connector is connected correctly. 6) If the connection is OK, turn the machine on. Enter SVC mode. Select magenta OPC motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines > 100-0042) Check the motor operation. a) If the motor is not operational, • Check the signal and power with the DVM. • If the checked result is normal, replace the motor(JC31-00123C). • If the checked result is abnormal, check the following. - If 24V power is not generated, replace the SMPS board(JC44-00150B(220V) / JC44-00149B(110V)). - If the control signal is abnormal, replace the main board(JC92-02516A). b) If the motor is operational, • Check the Pin Num 8. If the value is abnormal, replace the main board. If the value is normal, replace the harness.

• Code: A1-2411, A1-2412, A1-2413
• Display: Motor Failure: #. Turn off then on. Call for service if the problem persists
• Description: Cyan OPC motor operation is abnormal.
• Remedy: • A1-2411 : Cyan OPC motor is stopped but machine recognizes it as operational. • A1-2412 : Cyan OPC motor is not operated for print-job. • A1-2413 : Cyan OPC motor is operating but machine recognizes status as "Stopped". 1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Open the front cover. Check if there are any foreign substances or paper around cyan drum drive unit. 3) Turn the machine on. If the error persists, turn the machine off again. 4) Remove the rear cover after removing 7 screws. 5) Check if the cyan OPC motor connector is connected correctly. 6) If the connection is OK, turn the machine on. Enter SVC mode. Select cyan OPC motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines > 100-0043) Check the motor operation. a) If the motor is not operational, • Check the signal and power with the DVM. • If the checked result is normal, replace the motor(JC31-00123C). • If the checked result is abnormal, check the following. - If 24V power is not generated, replace the SMPS board(JC44-00150B(220V) / JC44-00149B(110V)). - If the control signal is abnormal, replace the main board(JC92-02516A). b) If the motor is operational, • Check the Pin Num 8. If the value is abnormal, replace the main board. If the value is normal, replace the harness.

• Code: A1-2511, A1-2512, A1-2513
• Display: Motor Failure: #. Turn off then on. Call for service if the problem persists
• Description: Black OPC motor operation is abnormal.
• Remedy: • A1-2411 : Black OPC motor is stopped but machine recognizes it as operational. • A1-2412 : Black OPC motor is not operated for print-job. • A1-2413 : Black OPC motor is operating but machine recognizes status as "Stopped". 1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Open the front cover. Check if there are any foreign substances or paper around black drum drive unit. 3) Turn the machine on. If the error persists, turn the machine off again. 4) Remove the rear cover after removing 7 screws. 5) Check if the black OPC motor connector is connected correctly. 6) If the connection is OK, turn the machine on. Enter SVC mode. Select black OPC motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines > 100-0044) Check the motor operation. a) If the motor is not operational, • Check the signal and power with the DVM. • If the checked result is normal, replace the motor(JC31-00123C). • If the checked result is abnormal, check the following. - If 24V power is not generated, replace the SMPS board(JC44-00150B(220V) / JC44-00149B(110V)). - If the control signal is abnormal, replace the main board(JC92-02516A). b) If the motor is operational, • Check the Pin Num 8. If the value is abnormal, replace the main board. If the value is normal, replace the harness.

• Code: A1-4310
• Display: Motor Failure: #. Turn off then on. Call for service if the problem persists
• Description: ITB engage motor does not operate normally.
• Remedy: 1) Enter SVC mode. Select the T1 engage motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines > 100-0080) Push the start button and check the motor operation. 2) If the motor is operational, a) Open the side cover. Check if the ITB T1 Coupler pressure lever is pushed normally as shown below. b) If the motor is stopped after 3 times operation, check the following. • Check if the T1 engage DC motor connector is connected correctly. • Check if the photo-sensor(0604-001415) in ITB unit is contaminated or assembled correctly. c) Remove the ITB unit. Check if the ITB T1 Coupler is rotated counterclockwise smoothly. 3) If there is a motor noise or the motor is not operational normally, check the following : a) Remove the rear cover after removing 7 screws. b) Remove the main drive unit. (Refer to 3.3.9. Main Drive Unit) i) Rotate the gear by hand. • If the motor operation is stiff, replace the motor(JC31-00149A) ii) Measure the resistance value with DVM. • If the measured value is out of the standard area (7-10 ohm), replace the motor(JC31-00149A) c) If the motor is normal, measure the motor signal with DVM. • If the phase output voltage is changed in 0-24V(8-10V), the output value is normal. • If the phase output voltage is not changed to 0 or 24V, replace the main board(JC92-02429A).

• Code: A1-5211, A1-5212, A1-5213
• Display: Motor Failure: #. Turn off then on. Call for service if the problem persists
• Description: Yellow toner is not supplied normally.
• Remedy: • A1-5211 : Yellow toner supply motor is not operational but toner is supplied. • A1-5212 : Yellow toner supply motor does not operate. • A1-5213 : Yellow toner supply is stopped during operation. 1) Open the front cover. If the yellow toner pipe is blocked, open it. 2) Turn the machine off then on. If the error persists, check the following steps. 3) Enter SVC mode. Select the yellow toner supply motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines) • 111-0000 : Toner Dispense Motor Yellow 4) If the motor is not operational, a) Remove the rear cover after removing 7 screws. b) Remove the main board shield. Measure the yellow motor power with DVM. i) If 24V power is generated, replace the yellow toner supply motor(JC31-00159A). ii) If 24V power is not generated, • Measure the 24V power on the SMPS board. If the SMPS board(JC44-00150B (220V) / JC44-00149B (110V)) is defective, replace it. • If the SMPS board is normal, replace the main board(JC92-02516A).

• Code: A1-5311, A1-5312, A1-5313
• Display: Motor Failure: #. Turn off then on. Call for service if the problem persists
• Description: Magenta toner is not supplied normally.
• Remedy: • A1-5311 : Magenta toner supply motor is not operational but toner is supplied. • A1-5312 : Magenta toner supply motor does not operate. • A1-5313 : Magenta toner supply is stopped during operation. 1) Open the front cover. If the magenta toner pipe is blocked, open it. 2) Turn the machine off then on. If the error persists, check the following steps. 3) Enter SVC mode. Select the magenta toner supply motor test. (Diagnostics > Engine Diagnostics > Engine Test Routines) • 111-0010 : Toner Dispense Motor Magenta 4) If the motor is not operational, a) Remove the rear cover after removing 7 screws. b) Remove the main board shield. Measure the magenta motor power with DVM. i) If 24V power is generated, replace the magenta toner supply motor(JC31-00159A). ii) If 24V power is not generated, • Measure the 24V power on the SMPS board. If the SMPS board(JC44-00150B (220V) / JC44-00149B (110V)) is defective, replace it. • If the SMPS board is normal, replace the main board(JC92-02516A).