Ricoh AP4500
Рейтинг
Коды ошибок
SC2000
SC2001
SC2002
SC302
SC304
SC320
SC321
SC322
SC323
SC326
SC327
SC328
SC329
SC350-1
SC350-2
SC350-3
SC350-4
SC350-5
SC361
SC362
SC365
SC390-1
SC390-2
SC391
SC401
SC403
SC405
SC440
SC490
SC492
SC493
SC501-1
SC501-2
SC502-1
SC502-2
SC503-1
SC503-2
SC504-1
SC504-2
SC506
SC507
SC510-1
SC510-2
SC541
SC542
SC543
SC545
SC546
SC547
SC548
SC602
SC621
SC623
SC624
SC722
SC724
SC725
SC726
SC727
SC729
SC730
SC900
SC951
SC954
SC955
SC959
SC960
SC961
SC962
SC963
SC964
SC980
SC981
SC982
SC990
Описание
| Error code: | SC2000 |
| Description: | A diagnostic error occurred at power on. The printer controller has a hardware problem. |
| Causes: | Printer controller defective. |
| Error code: | SC2001 |
| Description: | An error has occurred in the printer controller. The controller has a software problem. |
| Causes: | The controller software has a problem |
| Error code: | SC2002 |
| Description: | An error has occurred in the controller. The controller has a software or hardware problem. |
| Causes: | Printer controller defective. |
| Error code: | SC302 |
| Description: | AC charge output error 3: C An interrupt checks the status of the power pack every 2 ms. This SC is issued if the BICU detects a short in the AC charge for black, magenta, cyan, or yellow (V = 0, for example) for 500 ms (250 times). |
| Causes: | This SC is issued if the BICU detects a short in the power pack 10 times consecutively. Open circuit (+) / Short circuit (-) |
| Remedy: | • High voltage power supply • BICU defective • OPC unit defective 1. Disconnect the high voltage cable from Terminal C of the multiple highvoltage supply board. 2. Attach a voltmeter to the terminal. 3. If there is no output from the terminal, replace the high voltage power supply. -or- If there is output from the terminal, test the resistance between the high voltage cable and the ground. If resistance is nearly "0", check the highvoltage harness for defects and replace it if necessary. 4. Test the conductivity between the OPC unit and the ground. If there is no conductivity between the OPC unit and ground, replace the OPC unit. 5. If there is no charge PWM signal, replace the harness and/or BICU. |
| Error code: | SC304 |
| Description: | Charge Corona Error: Charge Leak (K PCU) A abnormal detection signal (H) was detected for longer than 250 ms. |
| Causes: | • Turn the machine power off/on • CGB power pack harness connectors loose, broken, defective • Corona wire caps loose, missing • CGB power pack defective • Charge corona unit connectors loose, broken, defective |
| Error code: | SC320 |
| Description: | Development power pack error 1: K An interrupt checks the status of the each power pack every 2 ms. This SC is issued if the BICU detects a short in the development DC charge for black, magenta, cyan, or yellow (or V = 0) for 500 ms (250 times). |
| Causes: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective |
| Remedy: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective 1. Disconnect the high voltage cable from Terminal B of the high-voltage supply board. 2. Attach a voltmeter to the terminal. 3. If there is no output from the terminal, replace the high voltage power supply. -or- If there is output from the terminal, test the resistance between the high voltage cable and the ground. If resistance is "0" or nearly "0", check the high-voltage harness for defects and replace it if necessary. If replacing the harness does not solve the problem, 4. Test the resistance between the development unit terminal and the ground. If there is no resistance (0Ù) between the development unit and the ground, replace the development unit. 5. If there is no development PWM signal, replace the harness and/or IOB. |
| Error code: | SC321 |
| Description: | Development power pack error 2: M An interrupt checks the status of the each power pack every 2 ms. This SC is issued if the BICU detects a short in the development DC charge for black, magenta, cyan, or yellow (or V = 0) for 500 ms (250 times). |
| Causes: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective |
| Remedy: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective 1. Disconnect the high voltage cable from Terminal B of the high-voltage supply board. 2. Attach a voltmeter to the terminal. 3. If there is no output from the terminal, replace the high voltage power supply. -or- If there is output from the terminal, test the resistance between the high voltage cable and the ground. If resistance is "0" or nearly "0", check the high-voltage harness for defects and replace it if necessary. If replacing the harness does not solve the problem, 4. Test the resistance between the development unit terminal and the ground. If there is no resistance (0Ù) between the development unit and the ground, replace the development unit. 5. If there is no development PWM signal, replace the harness and/or IOB. |
| Error code: | SC322 |
| Description: | Development power pack error 3: C An interrupt checks the status of the each power pack every 2 ms. This SC is issued if the BICU detects a short in the development DC charge for black, magenta, cyan, or yellow (or V = 0) for 500 ms (250 times). |
| Causes: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective |
| Remedy: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective 1. Disconnect the high voltage cable from Terminal B of the high-voltage supply board. 2. Attach a voltmeter to the terminal. 3. If there is no output from the terminal, replace the high voltage power supply. -or- If there is output from the terminal, test the resistance between the high voltage cable and the ground. If resistance is "0" or nearly "0", check the high-voltage harness for defects and replace it if necessary. If replacing the harness does not solve the problem, 4. Test the resistance between the development unit terminal and the ground. If there is no resistance (0Ù) between the development unit and the ground, replace the development unit. 5. If there is no development PWM signal, replace the harness and/or IOB. |
| Error code: | SC323 |
| Description: | Development power pack error 4: Y An interrupt checks the status of the each power pack every 2 ms. This SC is issued if the BICU detects a short in the development DC charge for black, magenta, cyan, or yellow (or V = 0) for 500 ms (250 times). |
| Causes: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective |
| Remedy: | • Development power pack defective • High voltage power supply defective • High voltage power supply harness defective • Development unit defective • IOB harness disconnected or defective • IOB defective 1. Disconnect the high voltage cable from Terminal B of the high-voltage supply board. 2. Attach a voltmeter to the terminal. 3. If there is no output from the terminal, replace the high voltage power supply. -or- If there is output from the terminal, test the resistance between the high voltage cable and the ground. If resistance is "0" or nearly "0", check the high-voltage harness for defects and replace it if necessary. If replacing the harness does not solve the problem, 4. Test the resistance between the development unit terminal and the ground. If there is no resistance (0Ù) between the development unit and the ground, replace the development unit. 5. If there is no development PWM signal, replace the harness and/or IOB. |
| Error code: | SC326 |
| Description: | Development motor error 3: C The PLL lock signal remained HIGH or LOW for longer than the prescribed time for the development motor of the affected color. |
| Causes: | • Development motor shaft locked, blocked by obstruction • Development motor defective • DRB defective |
| Remedy: | • Development motor shaft locked, blocked by and obstruction • DRB (Drive Board) defective |
| Error code: | SC327 |
| Description: | Development motor error 4: Y The PLL lock signal remained HIGH or LOW for longer than the prescribed time for the development motor of the affected color. |
| Causes: | • Development motor shaft locked, blocked by obstruction • Development motor defective • DRB defective |
| Remedy: | • Development motor shaft locked, blocked by and obstruction • DRB (Drive Board) defective |
| Error code: | SC328 |
| Description: | LD Unit Home Position Error 2 Definition [B] The LD unit home position sensor does not detect an off condition when the LD unit moves from its home position. |
| Causes: | · LD unit home position sensor defective · LD positioning motor defective · LD unit movement blocked because of incorrect connector routing |
| Error code: | SC329 |
| Description: | Laser Beam Pitch Adjustment Error Definition [B] The LD unit home position sensor does not detect an on condition while changing the LD unit position for correcting the LD position or changing the dpi. |
| Causes: | · The laser beam pitch adjustment (SP2-6-3 and 4) was not done after replacing the NVRAM or doing an NVRAM clear. · The laser beam pitch adjustment (SP2-6-1 ~ 4) was not done after replacing the LD unit. · LD unit movement blocked because of incorrect connector routing |
| Error code: | SC350-1 |
| Description: | ID Sensor Error 1 Definition [D] One of the following ID sensor output voltages was detected twice consecutively when checking the ID sensor pattern. 1) Vsp>=2.5 V 2) Vsg<=2.5 V 3) Vsp = 0 V 4) Vsg = 0 V |
| Causes: | · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at ID sensor pattern writing area of the drum |
| Error code: | SC350-2 |
| Description: | ID Sensor Error 2 Definition [D] The ID sensor output voltage is 5.0 V and the PWM signal input to the ID sensor is 0 when checking the ID sensor pattern. |
| Causes: | · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at the ID sensor pattern writing area of the drum |
| Error code: | SC350-3 |
| Description: | ID Sensor Error 3 Definition [D] The ID sensor pattern edge voltage is detected to be not 2.5 V twice consecutively during an 800 ms interval. |
| Causes: | · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at the ID sensor pattern writing area of the drum |
| Error code: | SC350-4 |
| Description: | ID Sensor Error 4 Definition [D] One of the following ID sensor output voltages is detected at ID sensor initialization. 1) Vsg < 4.0 V when the maximum PWM input (255) is applied to the ID sensor. 2) Vsg>=4.0 V when the minimum PWM input (0) is applied to the ID sensor. |
| Causes: | · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at the ID sensor pattern writing area of the drum |
| Error code: | SC350-5 |
| Description: | ID Sensor Error 5 Definition [D] Vsg falls out of the adjustment target (4.0 ± 0.2 V) during Vsg checking |
| Causes: | · ID sensor defective · ID sensor connector defective · Poor ID sensor connector connection · I/O board (IOB) defective · High voltage supply board defective · Dirty ID sensor · Defect at the ID sensor pattern writing area of the drum |
| Error code: | SC361 |
| Description: | TD sensor (Vt high) error 2: M The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds 4.5V for two counts. |
| Causes: | These SC codes are issued if the TD sensor output is greater than 4.7V after 20 consecutive readings. |
| Remedy: | • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCU defective • Defective TD sensor. 1. Turn the machine OFF and ON. 2. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCU for damage. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the black TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually. |
| Error code: | SC362 |
| Description: | TD sensor (Vt high) error 3: C The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds 4.5V for two counts. |
| Causes: | These SC codes are issued if the TD sensor output is greater than 4.7V after 20 consecutive readings. |
| Remedy: | • Black, magenta, cyan, or yellow TD sensor disconnected • Harness between TD sensor and PCU defective • Defective TD sensor. 1. Turn the machine OFF and ON. 2. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and PCU for damage. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the black TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually. |
| Error code: | SC365 |
| Description: | TD sensor (Vt low) error 2: M The Vt value of the black, magenta, cyan, or yellow TD sensor is below 0.5V for 10 counts. |
| Causes: | These SC codes are issued if the TD sensor output is less than 0.5V after 10 consecutive readings. |
| Remedy: | • TD sensor harness disconnected, loose, defective • A drawer connector (located on the rear of a development unit) disconnected, loose, defective • TD sensor defective 1. Turn the machine OFF and ON. 2. Check the TD sensor connector and harness between the TD sensor and PCU for damage. Replace it if necessary. 3. Check the drawer connector. 4. Replace the TD sensor. 5. After replacing the TD sensor: • Do SP3801 003-006 to initialize the new black, magenta, cyan, or yellow TD sensor. • Execute SP3820 001 to do auto process control manually. |
| Error code: | SC390-1 |
| Description: | TD Sensor Error 1 Definition [B] The TD sensor output voltage is less than 0.5 V or more than 4.0 V 10 times consecutively during printing. |
| Causes: | · TD sensor abnormal · Poor connection between the TD sensor and the I/O board (IOB) · I/O board (IOB) defective |
| Error code: | SC390-2 |
| Description: | TD Sensor Error 2 Definition [B] The TD sensor output voltage is less than 1.8 V or more than 4.8 V during TD sensor initial setting. |
| Causes: | · TD sensor abnormal · No developer in the development unit |
| Error code: | SC391 |
| Description: | Development bias leak The PWM output level was detected higher than 50% after 10 consecutive samplings. |
| Causes: | • high voltage power supply board defective • High voltage power supply board (power pack) harness loose, broken. • PCU connection loose or broken |
| Remedy: | • Cycle the main power off/on • Replace the harness of the high voltage power supply board (power pack). • Replace the PCU. |
| Error code: | SC401 |
| Description: | ID sensor error 2: Vsg When the ID sensor was calibrated, Vsg (reflectivity of the bare drum surface) was detected less than 2.5V after two attempts. -or- After calibration, Vsg was detected as 5.0V at PWM adjustment and PWM=0. |
| Causes: | • Dirty ID sensor • ID sensor harness connection loose, broken, defective • TD power pack defective • IOB defective |
| Error code: | SC403 |
| Description: | ID sensor error 4: LED current error During Vsg adjustment (reflectivity of the bare drum surface) during process control, the averaged PWM output was zero or 255. |
| Causes: | • ID sensor dirty • ID sensor harness connection loose, broken, defective • ID sensor defective • IOB defective • Exposure unit defective • Development unit defective • TD power pack defective |
| Error code: | SC405 |
| Description: | ID Sensor Pattern Maximum Coverage Error 4: Y The amount of toner applied to create the yellow ID sensor pattern between sheets (SP3101-4 ID Pattern Display - Applied: Y) exceeded the maximum threshold of 0.7 mg/cm2 due to an over supply of yellow toner. |
| Causes: | • Yellow toner supply unit defective |
| Error code: | SC440 |
| Description: | Image transfer power pack error 1: K An interrupt checks the status of the power pack every 2 ms. This SCis issued if the BICU detects a short in the power pack for K, M, C, or Y 250 times within 500 ms. |
| Causes: | • Transfer belt damaged, insulation damaged • Insulation on high voltage cable damaged • Another hot point inside the machine has damaged insulation • Insulation around high-voltage power supply damaged |
| Remedy: | • Transfer belt damaged, insulation damaged • Insulation on high voltage cable damaged • Another hot point inside the machine has damaged insulation • Insulation around high-voltage power supply damaged • IOB damaged |
| Error code: | SC490 |
| Description: | Peltier Unit error The Abnormal Condition signal or the Peltier Unit is received 10 times. |
| Causes: | • No ITB unit in the machine • Dirty TM sensor |
| Remedy: | • Peltier Unit is defective |
| Error code: | SC492 |
| Description: | Development Unit Suction Motor Lock While the development unit toner suction motor is operating, the lock sensor output did not change for 1 s An electrical overload in the PCB inside the motor unit has caused the motor to malfunction. |
| Causes: | • Replace the motor |
| Error code: | SC493 |
| Description: | Bridge Unit Cooling Fan Lock Definition [B] A bridge unit cooling fan motor lock signal is not detected within 5 seconds after the bridge unit cooling fan motor turns on. |
| Causes: | · Too much load on the drive mechanism · Bridge unit cooling fan motor defective · Poor fan motor connector connection |
| Error code: | SC501-1 |
| Description: | 1st Tray Lift Malfunction 1 Definition [C] The paper upper limit sensor is not activated after the tray lift motor has been on for 10 seconds. |
| Causes: | · 1st tray upper limit sensor defective · Tray lift motor defective · Poor tray lift motor connection |
| Error code: | SC501-2 |
| Description: | 1st Tray Lift Malfunction 2 Definition [C] If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the paper upper limit sensor should de-activate within 5 seconds after the paper bottom plate starts to drop. If it does not deactivate within 5 seconds four times consecutively, this SC will be generated. |
| Causes: | · 1st tray upper limit sensor defective · Tray lift motor defective · Too much paper in the tray |
| Error code: | SC502-1 |
| Description: | 2nd Tray Lift Malfunction 1 Definition [C] The paper upper limit sensor is not activated after the tray lift motor has been on for 10 seconds. |
| Causes: | · 2nd tray upper limit sensor defective · Tray lift motor defective · Poor tray lift motor connection |
| Error code: | SC502-2 |
| Description: | 2nd Tray Lift Malfunction 2 Definition [C] If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the paper upper limit sensor should de-activate within 5 seconds after the paper bottom plate starts to drop. If it does not deactivate within 5 seconds four times consecutively, this SC will be generated. |
| Causes: | · 2nd tray upper limit sensor defective · Tray lift motor defective · Too much paper in the tray |
| Error code: | SC503-1 |
| Description: | 3rd Tray Lift Malfunction 1 (Optional Paper Tray Unit) Definition [C] The paper upper limit sensor is not activated after the tray lift motor has been on for 10 seconds. |
| Causes: | · 3rd tray upper limit sensor defective · Tray lift motor defective · Poor tray lift motor connection |
| Error code: | SC503-2 |
| Description: | 3rd Tray Lift Malfunction 2 (Optional Paper Tray Unit) Definition [C] If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the paper upper limit sensor should de-activate within 5 seconds after the paper bottom plate starts to drop. If it does not deactivate within 5 seconds four times consecutively, this SC will be generated. |
| Causes: | · 3rd tray upper limit sensor defective · Tray lift motor defective · Too much paper in the tray |
| Error code: | SC504-1 |
| Description: | 4th Tray Lift Malfunction 1 (Optional Paper Tray Unit) Definition [C] The paper upper limit sensor is not activated after the tray lift motor has been on for 10 seconds. |
| Causes: | · 4th tray upper limit sensor defective · Tray lift motor defective · Poor tray lift motor connection |
| Error code: | SC504-2 |
| Description: | 4th Tray Lift Malfunction 2 (Optional Paper Tray Unit) Definition [C] If the main power switch is turned on when the paper is already at the feed height, the paper height position is detected again. At this time, the paper upper limit sensor should de-activate within 5 seconds after the paper bottom plate starts to drop. If it does not deactivate within 5 seconds four times consecutively, this SC will be generated. |
| Causes: | · 4th tray upper limit sensor defective · Tray lift motor defective · Too much paper in the tray |
| Error code: | SC506 |
| Description: | Tandem tray back fence motor error. The back fence should be closed but the fence was not detected in the closed position within 500 ms. -or- The back fence should be open but the fence was not detected in the open within 500 ms. |
| Causes: | The tray lift motor, pick-up solenoid, lift sensor, or lower limit sensor did not operate correctly. |
| Remedy: | • Paper loaded incorrectly • Back fence motor harness disconnected, loose, defective • Back fence motor defective • Paper blocking sensors • Paper stuck between tray and motor • Back fence close, back fence open sensor harnesses disconnected, loose, or defective. • Back fence close, back fence open sensor defective • Paper or other obstacle is interfering with movement of the fence |
| Error code: | SC507 |
| Description: | Tandem Tray Rear Fence Motor Error (1st Tray) |
| Causes: | One of the following occurred: • The return sensor does not switch on within 10 sec. after the rear fence motor switches on. • The HP sensor does not switch on 10 sec. after the rear fence motor switches on. • The HP sensor and return sensor switch on at the same time. |
| Remedy: | • Rear fence motor harness disconnected or broken • Paper or other obstacle interfering with operation of the sensors • Paper or other obstacle trapped between tray and motor • Motor mechanical overload due to obstruction • Return sensor or HP sensor harness disconnected or broken • Return sensor or HP sensor dirty • Rear fence motor defective • Return sensor or HP sensor defective |
| Error code: | SC510-1 |
| Description: | LCT Tray Malfunction 1 Definition [C] 1) The LCT lift sensor does not activate for more than 18 seconds after the LCT lift motor turned on. 2) The LCT lower limit sensor does not activate for more than 18 seconds after the LCT lift motor turned on. 3) The LCT lift sensor is already activated when the LCT lift motor turns on. |
| Causes: | · LCT lift motor defective · Pick-up solenoid defective · Poor motor connector connection · Poor pick-up solenoid connector connection · Paper end sensor defective · LCT lift sensor defective · LCT lower limit sensor defective |
| Error code: | SC510-2 |
| Description: | LCT Tray Malfunction 2 Definition [C] 1) During paper lifting, the LCT lift sensor does not activate for more than 1.5 seconds after the paper end sensor turned on. If this condition occurs four times consecutively, this SC will be generated. 2) During paper lifting, after the top of the paper reaches the upper limit position, the paper is lowered until the LCT lift sensor is de-activated. At this time, the LCT lift sensor does not de-activate for more than 5 seconds. |
| Causes: | · LCT lift motor defective · Pick-up solenoid defective · Poor motor connector connection · Poor pick-up solenoid connector connection · Paper end sensor defective · LCT lift sensor defective · LCT lower limit sensor defective |
| Error code: | SC541 |
| Description: | Heating roller thermistor 1 error 1: Poor connection. The temperature measured by the heating roller thermistor does not reach 130°C after 10 tries and 65 sec. have elapsed. |
| Causes: | • Disconnected thermistor • Defective harness connection |
| Remedy: | • Heating roller thermistor harness connection loose, disconnected, defective • Defective heating roller thermistor |
| Error code: | SC542 |
| Description: | Heating roller thermistor 1 error 2: No warmup. After the main switch is turned ON or the cover is closed, the heating roller temperature does not reach the ready temperature within 2 sec. after the heater switches ON. -or- If the roller was below 45°C, the heating roller did not reach the ready temperature 2 sec. after reaching 45°C. Note: Thermistor 2 stops monitoring the temperature once Thermistor 1 detects ready temperature. |
| Causes: | • Defective thermistor • Incorrect power supply input at the main power socket • Defective fusing lamp |
| Remedy: | • Thermistor is bent, installed incorrectly • Defective heating roller thermistor • Heating roller fusing lamp broken Do SP5810 to cancel the SC fusing code. |
| Error code: | SC543 |
| Description: | Heating roller thermistor 1 error 3: Software - High temperature. The thermistor detected a temperature over 230°C. |
| Causes: | • Defective I/O control (EGB) • Defective EGB |
| Remedy: | • TRIAC short • IOB defective • BICU defective • Fusing temperature out of control Do SP5810 to cancel the SC fusing code. |
| Error code: | SC545 |
| Description: | Heating roller thermistor 1 error 5: Lamp remains ON. After hot roller reaches warmup temperature, the fusing lamps remained ON at full capacity for 25 sec. after reaching the warmup temperature while the hot roller was not rotating. |
| Causes: | • Deformed thermistor • Thermistor not in the correct position • Defective fusing lamp |
| Remedy: | • Thermistor damaged, or out of position • Fusing lamp disconnected, broken |
| Error code: | SC546 |
| Description: | Heating roller thermistor 2 error 1: Thermistor disconnected. The temperature measured by the heating roller thermistor does not reach 0°C after 45 sec. and remains over this temperature for 10 readings. |
| Causes: | Unstable connector contact of fusing thermistor |
| Remedy: | • Loose connection of the heating roller thermistor • Defective heating roller thermistor |
| Error code: | SC547 |
| Description: | Zero cross error. When the main switch is turned ON, the machine checks how many zero-cross signals are generated within 500 ms. This SC code is issued if the number of zerocross signals detected is either more than 66 or less than 45 for 10 readings. Note: Zero cross signals, generated from an ac power supply, are used to generate a trigger pulses to control the applied power accurately. |
| Causes: | Defective fusing lamp relay |
| Remedy: | • Electrical noise on the power supply line • Fusing relay damaged: replace the PSU. Normally, this SC is cancelled if you do SP5810 to cancel the SC fusing code. |
| Error code: | SC548 |
| Description: | Heating roller thermistor 2 error 2: Failed to reach warmup temperature. After the main switch is turned ON or the cover is closed, the heating roller temperature does not reach the ready temperature within 2 sec. after the heater switches ON. -or- If the roller was below 45°C, the heating roller did not reach the ready temperature 2 sec. after reaching 45°C. Note: Thermistor 2 stops monitoring the temperature once Thermistor 1 detects warmup temperature. |
| Causes: | • Defective fusing lamp • Defective thermistor |
| Remedy: | • Thermistor is bent, installed incorrectly • Defective heating roller thermistor • Heating roller fusing lamp broken • Defective BICU |
| Error code: | SC602 |
| Description: | Ri10 error Ri10 cannot be started, read, written. |
| Causes: | • Defective ECU |
| Error code: | SC621 |
| Description: | Mailbox-to-Finisher communication error. Communication between the mailbox and finisher is interrupted. An ACK/NCK signal was not received within 100 ms after a data frame is sent and 3 retries failed. |
| Causes: | The UART generated an error when the finisher was connected. |
| Remedy: | • Connection cable between mailbox and finisher disconnected, defective • Finisher main board defective • BICU defective • PSU defective |
| Error code: | SC623 |
| Description: | Duplex unit communicatio n error While the BCU communicates with an optional unit, an SC code is displayed if one of following conditions occurs. 1. The BCU receives a signal which is generated by the peripherals only just after the main switch is turned on. 2. When the BCU does not receive an OK signal from a peripheral 100ms after sending a command to it. The BCU resends the command. The BCU does not receive an OK signal after sending the command 3 times. |
| Causes: | • Cable problems • BCU problems • PSU problems in the machine • Duplex control board problem |
| Remedy: | 1. Turn the main switch off and on. 2. Check if the cable of the duplex inverter unit is properly connected. 3. Replace the PSU if no power is supplied to the peripherals. 4. Replace the duplex control board in the inverter unit. |
| Error code: | SC624 |
| Description: | Mailbox-to-copier communication error. Communication between the mailbox and copier is interrupted. An ACK/NCK signal was not received within 100 ms after a data frame is sent and 3 retries failed. |
| Causes: | • Mailbox cable disconnected, defective • Mailbox main board defective • VBCU defective • PSU defective |
| Remedy: | • Mailbox cable disconnected, defective • Mailbox main board defective • BICU defective • PSU defective |
| Error code: | SC722 |
| Description: | Finisher SR3210 Error |
| Causes: | • Overcurrent (-03 only) • Staple jam (-44 only) • Encoder error (-11, -11, -25, -44) • Motor defective • Connecter disconnected, or loose • Motor overload • HP sensor defective • Paper surface sensor defective (-70 only) |
| Remedy: | Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. • The target parts are the motor and related HP sensor for which the SC occurred. 1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose. 2. Check the harness for the target part. Replace the harness if it is damaged. 3. Check if the motor runs, is properly driven, has no overloads, and the sensors turn OFF/ON correctly.Replace the parts if there are any defects. 4. Check if there are any signs of a short circuit. Replace the parts if there are any defects. |
| Error code: | SC724 |
| Description: | Finisher stapler hammer motor error. Stapling does not finish within the prescribed time after the staple hammer motor turns ON. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. |
| Causes: | The motor that lowers and raises the positioning roller above the stapling tray not operating. |
| Remedy: | • Stapler hammer motor overloaded due to obstruction, jammed staple, number of sheets exceeds limit for stapling • Stapler hammer motor disconnected, defective • Staple hammer motor HP sensor disconnected, defective |
| Error code: | SC725 |
| Description: | Finisher exit guide plate motor error. After moving away from the guide plate position sensor, the exit guide is not detected at the home position within the prescribed time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. |
| Causes: | The motor that opens and closes the exit guide at the shift tray exit is not operating correctly. |
| Remedy: | • Guide plate motor disconnected, defective • Guide plate motor overloaded due to obstruction • Guide plate position sensor disconnected, defective |
| Error code: | SC726 |
| Description: | Shift jogger motor 1 error. The sides fences do not retract within the prescribed time after the shift jogger motor switches ON. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. |
| Causes: | The drag roller arm with the sponge roller did not return to its home position within the prescribed time. |
| Remedy: | • Shift jogger motor disconnected, defective • Shift jogger motor overloaded due to obstruction • Shift jogger HP sensor disconnected, defective |
| Error code: | SC727 |
| Description: | Shift jogger motor 2 error. The side fences do not retract within the prescribed time after the shift jogger motor switches ON. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. |
| Causes: | • Motor harness disconnected, loose, defective • Motor defective • Motor overload • HP defective |
| Remedy: | • Motor harness disconnected, loose, defective • Motor defective • Motor overload • HP defective |
| Error code: | SC729 |
| Description: | Finisher punch motor error The punch home position is not detected within 250 ms after the punch clutch turns on. |
| Causes: | • Loose connection • Defective punch H.P. sensor • Defective punch clutch • Defective punch hole motor |
| Remedy: | 1. Turn the main switch off and on. 2. Check if the connectors of sensor, clutch and/or motor are properly connected. 3. Replace the punch H.P. sensor. 4. Replace the punch clutch. 5. Replace the punch hole motor. |
| Error code: | SC730 |
| Description: | Finisher Tray 1 shift motor error. The shift roller HP sensor of the upper tray does not activate within the prescribed time after the shift tray starts to move toward or away from the home position. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. |
| Causes: | • Shift tray HP sensor of the upper tray disconnected, defective • Shift tray motor of the upper tray is disconnected, defective • Shift tray motor of the upper tray overloaded due to obstruction |
| Remedy: | • Shift tray HP sensor of the upper tray disconnected, defective • Shift tray motor of the upper tray is disconnected, defective • Shift tray motor of the upper tray overloaded due to obstruction |
| Error code: | SC900 |
| Description: | Electrical total counter error. The total counter contains something that is not a number. |
| Causes: | The total counter contains data that is not a number. |
| Remedy: | • NVRAM incorrect type • NVRAM defective • NVRAM data scrambled • Unexpected error from external source |
| Error code: | SC951 |
| Description: | F-Gate Signal Error When the IPU has already received the F-GATE signal (laser writing start trigger signal), the IPU receives another F-GATE signal. |
| Causes: | • Firmware defective • Update the BCU firmware. • BCU defective |
| Error code: | SC954 |
| Description: | Printer Image Setting Error The IPU did not issue the signal required to start image processing for the printing mode within 60 s after the paper stops for registration. |
| Causes: | • Software defective • Replace the software (all firmware modules). • IPU defective |
| Error code: | SC955 |
| Description: | Memory Setting Error The settings that are required for image processing using the memory are not sent from the IPU. |
| Causes: | • Software bug • Hard disk unit defective • Controller defective • MCU defective • IPU defective |
| Error code: | SC959 |
| Description: | Printer Setting ID Error Definition [B] The ID that is required for image processing using the printer is not sent from the IPU. |
| Causes: | · Software defective |
| Error code: | SC960 |
| Description: | Printer Return ID Error Definition [B] The ID that is sent from the printer controller after finishing the printout is incorrect. |
| Causes: | · Software defective |
| Error code: | SC961 |
| Description: | Printer Ready ID Error Definition [B] The ID that is sent from the printer controller in the printer controller printing ready condition is incorrect. |
| Causes: | · Software defective |
| Error code: | SC962 |
| Description: | Memory Setting ID Error Definition [B] The ID that is sent from the memory when the IPU sent the memory ready signal is incorrect. |
| Causes: | · Software defective |
| Error code: | SC963 |
| Description: | Memory Finishing ID Error Definition [B] The ID that is sent from the memory when the IPU sent the memory finish signal is incorrect. |
| Causes: | · Software defective |
| Error code: | SC964 |
| Description: | Scanner Start Error During scanned image processing, another command to start scanning was received. |
| Causes: | • Software bug |
| Error code: | SC980 |
| Description: | HDD Access Error Definition [B] Incorrect parameter sent to the HDD controller. |
| Causes: | · Software defective · Poor connection between BICU and HDD. |
| Error code: | SC981 |
| Description: | HDD Response Error Definition [B] The HDD controller board does not generate any response when the IPU sends a read/write signal to the HDD controller. |
| Causes: | · Software defective · Poor connection between BICU and MSU · HDD defective |
| Error code: | SC982 |
| Description: | HDD Construction Error Definition [B] 1) The HDD has been installed without the electric sort kit (SIMM memory). 2) A HDD that does not have the correct specifications has been installed. |
| Causes: | · Hard disk defective · Incorrect hard disk type · The electric sort kit is not installed |
| Error code: | SC990 |
| Description: | Software error 2 The software performs an unexpected function and the program cannot continue. |
| Causes: | An unexpected operation was encountered by the software. |
| Remedy: | • Software defective, re-boot 1) Execute SP7403 or print an SMC Report (SP5990) to read the history of the 10 most recent logged errors. 2) If you press the zero key on the operation panel with the SP selection menu displayed, you will see detailed information about the recently logged SC990 or SC991, including the software file name, line number, and so on. 1) is the recommended method, because another SC could write over the information for the previous SC. |
