ریکو آفشیو Ricoh Aficio 1050

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SC101    Exposure lamp error
The standard white level was not detected properly when scanning the white platecopyir.com    • Exposure lamp defective • Lamp regulator defective • Exposure lamp connector defective • Dirty standard white plate • Dirty scanner mirror or scanner mirror out of position • SBU board defective • SBU connector defective • Lens block out of position
SC120    Scanner home position error 1
The scanner home position sensor does not detect the on condition during initialization or copyingcopyir.com    • Scanner home position sensor defective • Scanner motor defective • Scanner motor drive board defective • Scanner home position sensor connector defective • Scanner drive motor connector defective
SC121    Scanner home position error 2
The scanner home position sensor does not detect the off condition during initialization or copyingcopyir.com    • Scanner home position sensor defective • Scanner drive motor defective • Scanner motor drive board defective • Scanner home position sensor connector defective • Scanner drive motor connector defective
SC124    Scanner motor encoder signal error
No encoder signal from the scanner motor    • Scanner motor connector defective • Scanner motor defective • MCU defective • Scanner wire, timing belt, pulley out of position • PSU defective
SC125    Scanner motor speed error 1
The scanner stops before the scanner HP sensor is on when returningcopyir.com The scanner speed when the scanner HP sensor turns on is slower than the specified speedcopyir.com    • Scanner motor defective • MCU defective • Too much load on scanner drive
SC126    Scanner motor speed error 2
The scanner overruns the scanner HP sensor by more than 10 mm when returningcopyir.com    • Scanner motor defective • MCU defective • Too small load on scanner drive
SC127    Scanner motor encoder rotating direction error
The scanner moves in the opposite direction from the instructed direction when initializingcopyir.com    • Scanner motor defective • MCU defective
SC128    Scanner motor start error
The scanner motor speed does not reach the target speed until starting to read the originalcopyir.com    • Scanner motor defective • MCU defective • PSU defective • Too much load on scanner drive
SC129    Scanner motor speed control error
The scanner speed is out of standard during scanningcopyir.com    • Scanner motor defective • PSU defective • MCU defective • Scanner drive defective
SC130    SBU error
When the main switch is turned on, the BICU cannot receive the correct signal from the SBUcopyir.com    • SBU defective • BICU defective • Cable between SBU and BICU defective
SC300    Charge corona output error 1
The feedback voltage from the charge corona unit is too highcopyir.com    • Charge Pcopyir.comPcopyir.com defective • Poor charge corona unit connection
SC301    Charge corona output error 2
The control PWM for the charge corona unit is too highcopyir.com    • Charge Pcopyir.comPcopyir.com defective • Poor charge corona unit connection
SC302    Charge corona output error 3
The control PWM for the charge grid is too highcopyir.com    • Charge Pcopyir.comPcopyir.com defective • Poor charge corona unit connection
SC303    Charge corona output error 4
The feedback voltage from the charge grid is too highcopyir.com    • Charge Pcopyir.comPcopyir.com defective • Poor charge corona unit connection
SC305    Charge corona wire cleaner error 1
The charge corona wire cleaner does not return to its home positioncopyir.com    • Charge corona wire cleaner motor defective • Charge Pcopyir.comPcopyir.com defective • IOB defective
SC306    Charge corona wire cleaner error 2
The charge corona wire cleaner motor connector is not connectedcopyir.com    • The charge corona wire cleaner motor connector is not connectedcopyir.com
SC310    Potential sensor error 1
When calibrating the drum potential sensor at the process control initial setting, the drum potential sensor output voltage is out of specificationcopyir.com    • Potential sensor defective • Poor connection between the potential sensor and the I/O board (IOB) • IOB defective • Poor connection between the drum unit and the I/O board (IOB) • Development power pack defective
SC311    Potential sensor error 2
When calibrating the drum potential sensor at the process control initial setting, the rate of change of drum potential sensor output with voltage on the drum is out of specificationcopyir.com    • Potential sensor defective • Poor connection between the potential sensor and the I/O board (IOB) • IOB defective • Poor connection between the drum unit and the I/O board (IOB) • Development power pack defective
SC312    Potential sensor error 4
When adjusting the drum potential (VD) at the process control initial setting, the drum potential sensor detects that VD is more than VG (grid voltage)copyir.com    • Potential sensor defective • Poor connection between the potential sensor and the I/O board (IOB) • IOB defective • Poor connection between the drum unit and the I/O board (IOB) • Development power pack defective • Dirty or worn charge corona wire
SC314    Potential sensor error 5
When adjusting the drum potential (VH) for LD power adjustment during the process control initial setting, the first time the VH pattern is made, the drum potential sensor detects that VH is more than 500Vcopyir.com    • Potential sensor defective • Poor connection between the potential sensor and the I/O board (IOB) • IOB defective • Poor connection between the drum unit and the I/O board (IOB) • LD unit defective
SC321    No laser writing signal (F-GATE) error 1
The laser writing signal (F-GATE) does not go to LOW for more than 15 seconds after the copy paper reaches the registration sensorcopyir.com    • BICU board defective • Poor connection of the printer controller • Printer controller defective
SC322    1st laser synchronization error
The 1st laser synchronization signal cannot be detected by the main scan synchronization detector board even if the laser diodes are activatedcopyir.com    • Poor connection between the laser synchronization detector board and the LD unit • Laser synchronization detector board out of position • Laser synchronization detector board defective • LD unit defective
SC323    LD drive current over
The LD drive board applies more than 110 mA to the LDcopyir.com    • LD unit defective (not enough power, due to aging) • Poor connection between the LD unit and the BICU board • BICU defective
SC326    2nd laser synchronization error
The 2nd laser synchronization signal cannot be detected by the main scan synchronization detector board even if the laser diodes are activatedcopyir.com    • Poor connection between the laser synchronization detector board and the LD unit • Laser synchronization detector board out of position • Laser synchronization detector board defective • LD unit defective
SC327    LD unit home position error 1
The LD unit home position sensor does not detect an on condition when the LD unit moves to its home positioncopyir.com    • LD unit home position sensor defective • LD positioning motor defective
SC328    LD unit home position error 2
The LD unit home position sensor does not detect an off condition when the LD unit moves from its home positioncopyir.com    • LD unit home position sensor defective • LD positioning motor defective • LD unit movement blocked because of incorrect connector routing
SC329    LD unit home position error 3
When the LD unit moves to switch the laser beam pitch (except for initial movement at adjustment), the LD unit HP sensor turns on before the movement reaches the adjusted value    • When the main switch is on: SP2-109-3 or SP2-109-4 is not done after SP5- 801 is performedcopyir.com • While printing: The LD unit does not move so well because of an unexpected failure, such as the cable being pinched somewherecopyir.com • LD unit defective
SC330    LD unit no initial setting
The main switch is on or a printing/copying job starts without doing SP2-109-3 or SP2-109-4 after SP5-801 is performedcopyir.com    • SP2-109-3 or SP2-109-4 is not done after SP5-801 is performedcopyir.com
SC331    LD unit home position error 4
When the LD unit moves to switch the laser beam pitch, the LD unit HP sensor does not turn on, even when the expected time for reaching the home position comes, according to the data for the present position stored in NVRAMcopyir.com    • The LD unit does not move so well because of an unexpected failure, such as the cable being pinched somewherecopyir.com • LD unit defective • HP sensor defective • NVRAM defective
SC332    LD unit present position error
When the LD unit moves to switch the laser beam pitch, the data for the present position stored in NVRAM is out of the adjustment rangecopyir.com    • The LD unit does not move so well because of an unexpected failure, such as the cable being pinched somewherecopyir.com • LD unit defective • HP sensor defective • NVRAM defective
SC335    Polygonal mirror motor error 1
The XSCRDY signal does not become low within 20 seconds after the polygonal mirror motor turns on or the polygon motor speed is changedcopyir.com    • Poor cable connection to the polygonal mirror motor drivercopyir.com • Polygonal mirror motor (driver) defective • BICU defective
SC336    Polygonal mirror motor error 2
The XSCRDY signal does not become high within 20 seconds after the polygonal mirror motor turns offcopyir.com    • Poor cable connection to the polygonal mirror motor drivercopyir.com • Polygonal mirror motor (driver) defective • BICU defective
SC337    Polygonal mirror motor error 3
The XSCRDY signal becomes high while the polygonal mirror motor turns on, even though there was no demand for either turning off the motor or changing the motor speedcopyir.com    • Poor cable connection to the polygonal mirror motor drivercopyir.com • Polygonal mirror motor (driver) defective • BICU defective
SC338    Polygonal mirror motor error 1
The XSCRDY signal does not become stable within 20 seconds after the polygonal mirror motor turns on or off or the polygon motor speed is changedcopyir.com    • Poor cable connection to the polygonal mirror motor drivercopyir.com • Polygonal mirror motor (driver) defective • BICU defective
SC340    TD sensor output error
The TD sensor output voltage (Vt), which is measured during each copying process, is one of the following 10 times consecutivelycopyir.com 1) Vt = 0copyir.com5 volts or lower 2) Vt = 4copyir.com0 volts or higher    • TD sensor defective • Poor connection between the TD sensor and the I/O boardcopyir.com • I/O board defective NOTE: In this error condition, the toner supply is controlled using pixel count and Vsp/Vsgcopyir.com
SC341    TD sensor adjustment error 1
During the TD sensor auto adjustment, the TD sensor output voltage (Vt) is 2copyir.com5 volts or higher even though the control voltage is set to the minimum value (PWM = 0)    • TD sensor defective • Poor connection between the TD sensor and the I/O boardcopyir.com • I/O board defective NOTE: In this error condition, the toner supply is controlled using pixel count and Vsp/Vsgcopyir.com
SC342    TD sensor adjustment error 2
During the TD sensor auto adjustment, the TD sensor output voltage (Vt) does not come in the target range (2copyir.com5 ± 0copyir.com1V) within 20 secondscopyir.com    • TD sensor defective • Poor connection between the TD sensor and the I/O boardcopyir.com • I/O board defective NOTE: In this error condition, the toner supply is controlled using pixel count and Vsp/Vsgcopyir.com
SC345    Development bias leak
A development bias leak signal is detectedcopyir.com    • Poor connection between the development bias terminal and the development Pcopyir.comPcopyir.com • Development Pcopyir.comPcopyir.com defective
SC350    ID sensor error 1
One of the following ID sensor output voltages was detected twice consecutively when checking the ID sensor patterncopyir.com 1) Vsp ≥ 2copyir.com5V 2) Vsp = 0V    • ID sensor defective • ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Charge or development power pack defective • Dirty ID sensor • Defect at ID sensor pattern writing area of the drum
SC351    ID sensor error 2
One of the following ID sensor output voltages was detected twice consecutively when checking the ID sensor patterncopyir.com 1) Vsg< 2copyir.com5V 2) Vsg = 0V 3) The ID sensor output voltage is 5copyir.com0V and the PWM signal input to the ID sensor is 0 when checking the ID sensor pattern    • ID sensor defective • ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Charge or development power pack defective • Dirty ID sensor • Defect at the ID sensor pattern writing area of the drum
SC352    ID sensor error 3
For 2 s during the ID sensor pattern check, the ID sensor pattern edge voltage is not 2copyir.com5Vcopyir.com    • ID sensor defective • ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Charge or development power pack defective • Dirty ID sensor • Defect at the ID sensor pattern writing area of the drum
SC353    ID sensor error 4
One of the following ID sensor output voltages is detected at ID sensor initializationcopyir.com 1) Vsg < 4copyir.com0V when the maximum PWM input (255) is applied to the ID sensorcopyir.com 2) Vsg copyir.com 4copyir.com0V when the minimum PWM input (0) is applied to the ID sensorcopyir.com    • ID sensor defective • ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Charge or development power pack defective • Dirty ID sensor • Defect at the ID sensor pattern writing area of the drum
SC354    ID sensor error 5
Vsg falls out of the adjustment target (4copyir.com0 ± 0copyir.com2V) during Vsg checkingcopyir.com    • ID sensor defective • ID sensor connector defective • Poor ID sensor connector connection • I/O board (IOB) defective • Charge or development power pack defective • Dirty ID sensor • Defect at the ID sensor pattern writing area of the drum
SC360    Hard disk detection error 1
When the main switch turns on, the machine does not detect the connection signal from the HDDcopyir.com    • Poor connection between the HDD and BICU • Poor connection on the dc power connector to the HDD • HDD defective • BICU defective
SC362    Hard disk detection error 2
When the power switch on the operation panel turns on, the machine does not detect the connection signal from the HDDcopyir.com    • Poor connection between the HDD and BICU • Poor connection on the dc power connector to the HDD • HDD defective • BICU defective
SC364    Hard disk drive errorThe image data stored in the HDD cannot be output properlycopyir.com    • When this SC occurs only once, this problem will be solved after turning the main power switch off and oncopyir.com • When this SC occurs while performing SP4-911-1 (HDD media check), it can be cured by doing SP4-911-2 (HDD formatting)copyir.com • HDD defective
SC366    Hard disk bad sector maximum
The number of bad sectors on the HDD is over the maximum numbercopyir.com    • HDD defective • NVRAM defective
SC367    Hard disk (HDD:R) bad sector maximum
The number of bad sectors on the HDD is over the maximum numbercopyir.com    • HDD defective • NVRAM defective
SC370    IMAC (image compression IC) input FIFO error
An input FIFO error occurs while inputting image processing in the ASIC (IMACB), which handles image compression and image data transmissioncopyir.com    • BICU defective
SC372    IMAC (image compression IC) output FIFO error
An output FIFO error occurs while outputting image processing in the ASIC (IMACB), which handles image compression and image data transmissioncopyir.com    • BICU defective
SC374    IMAC (image compression IC) modes setting error
A mode setting error occurs by changing settings during image processing in the ASIC (IMACB), which handles image compression and image data transmissioncopyir.com    • BICU defective
SC376    Data transmission error
A data transmission error occurred at the ASIC which controls data transmission and compression during connecting modecopyir.com    • Defective connection board • Defective or disconnected interface cable • Defective SBICU
SC380    Data transmission time out (video input)
Data input to the IC which controls data transfer and compression is not completed within 20 secondscopyir.com    • BICU defective • SBU defective • Printer controller defective
SC382    Data transmission time out (video output)
Data output from the IC which controls the data transfer and compression is not completed within 20 secondscopyir.com    • BICU defective • LD board defective
SC384    Data transmission time out (connect copy)
Data transmission to the memory does not finish properly within 20 seconds after the start of data transmissioncopyir.com    • Defective connection board • Defective or disconnected interface cable • Defective SBICU
SC386    Data transmission time out (Hard disk write)
Data input to the IC which controls the data transfer and compression is not completed with in 20 secondscopyir.com    • BICU defective • SBU defective • Printer controller defective
SC390    CRC error
Electrical noise causes sent data and received data to differcopyir.com A CRC check can detect this errorcopyir.com    • Defective connection board • Defective or disconnected interface cable
SC391    Image storage address error
The SBICU receives an image data output request signal for data that is not stored in memorycopyir.com    • SBICU defective
SC400    Transfer roller leak error
A transfer roller current leak signal is detectedcopyir.com    • Transfer Pcopyir.comPcopyir.com defective • Poor connection between the transfer current terminal and the transfer Pcopyir.comPcopyir.com
SC401    Transfer roller open error
The transfer roller current feedback signal is not detected    • Transfer Pcopyir.comPcopyir.com defective • Poor connection between the transfer current terminal and the transfer Pcopyir.comPcopyir.com
SC430    Quenching lamp error
When finishing the process control initial setting, the drum potential which is detected by the drum potential sensor is out of the normal range    • Quenching lamp defective • Poor connection between quenching lamp and charge power pack
SC440    Main motor lock
The main motor lock signal remains low for 2 seconds while the main motor is oncopyir.com    • Too much load on the drive mechanism • Main motor defective
SC441    Development motor lock
The development motor lock signal remains low for 2 seconds while the development motor is oncopyir.com    • Too much load on the drive mechanism • Development motor defective
SC493    Exhaust fan motor lock
The exhaust fan motor lock signal remains high for 5 seconds while the exhaust fan motor is oncopyir.com    • Exhaust fan motor defective • Too much load on the fan
SC494    Fusing exhaust fan motor lock
The fusing exhaust fan motor lock signal remains high for 5 seconds while the fusing exhaust fan motor is oncopyir.com    • Exhaust fan motor defective • Too much load on the fan
SC495    Toner recycling unit error
The toner recycling sensor output signal does not change within 500 ms after the main motor turns oncopyir.com    • Too much load on the drive mechanism • Toner end sensor detective • Poor connection on the sensor connector
SC496    Toner collection bottle error
The toner collection bottle set switch remains off when the front door is closedcopyir.com    • No toner collection bottle • Poor connection on the switch connector
SC497    Toner recycling motor error
The toner recycling motor connector set signal remains off for 1 secondcopyir.com    • Toner recycling motor defective • Poor connection on the motor connector
SC501    1st tray lift malfunction
• The lift sensor is activated before the pick-up solenoid is activated when the tray is pushed incopyir.com • The lift sensor is not activated within 10 seconds after the tray lift motor starts lifting the bottom platecopyir.com • The lift sensor remains activated for 1copyir.com5 seconds after the tray lift motor starts lowering the bottom platecopyir.com • The tray down sensor is not activated within 10 seconds after the tray lift motor starts lowering the bottom plate because of a paper end conditioncopyir.com    • Tray lift motor defective or poor connection • Lift sensor defective or poor connection • Tray down sensor defective or poor connection • Pick-up solenoid defective or poor connection
SC502    2nd tray lift malfunction
• The lift sensor is activated before the pick-up solenoid is activated when the tray is pushed incopyir.com • The lift sensor is not activated within 10 seconds after the tray lift motor starts lifting the bottom platecopyir.com • The lift sensor remains activated for 1copyir.com5 seconds after the tray lift motor starts lowering the bottom platecopyir.com • The tray down sensor is not activated within 10 seconds after the tray lift motor starts lowering the bottom plate because of a paper end conditioncopyir.com    • Tray lift motor defective or poor connection • Lift sensor defective or poor connection • Tray down sensor defective or poor connection • Pick-up solenoid defective or poor connection
SC503    3rd tray lift malfunction
• The lift sensor is activated before the pick-up solenoid is activated when the tray is pushed incopyir.com • The lift sensor is not activated within 10 seconds after the tray lift motor starts lifting the bottom platecopyir.com • The lift sensor remains activated for 1copyir.com5 seconds after the tray lift motor starts lowering the bottom platecopyir.com • The tray down sensor is not activated within 10 seconds after the tray lift motor starts lowering the bottom plate because of a paper end conditioncopyir.com    • Tray lift motor defective or poor connection • Lift sensor defective or poor connection • Tray down sensor defective or poor connection • Pick-up solenoid defective or poor connection
SC505    LCT tray malfunction (optional LCT)
• The lift sensor is not activated within 60 seconds after the tray lift motor starts lifting the bottom platecopyir.com • The tray down sensor is not activated within 60 seconds after the tray lift motor starts lowering the bottom platecopyir.com • The lift sensor and tray down sensor are activated at the same timecopyir.com • The lift sensor is not activated even when the pick-up roller is still lifted up by the top of papercopyir.com    • Tray lift motor defective or poor connection • Lift sensor defective or poor connection • Pick-up solenoid defective or poor connection • Paper end sensor defective
SC510    Paper feed motor locks
• The lock signal from the paper feed motor is detected for 3,000 ms during rotationcopyir.com • Poor connection is checked once when the main switch is oncopyir.com    • Paper feed motor defective or poor connection • Too much load on the drive mechanism • Lower front door safety switch defective • Lower front door safety switch bracket deformation
SC511    LCT motor lock (optional LCT)
• The lock signal from the LCT transport motor is detected for 50 ms during rotationcopyir.com (The detection period does not include 300 ms of the starting upcopyir.com) • Poor connection is checked once when the main switch is oncopyir.com    • LCT transport motor defective or poor connection • Too much load on the drive mechanism
SC515    Tandem rear fence motor error
• When the tray is pushed in, the rear fence return sensor and the rear fence HP sensor are already oncopyir.com • The rear fence return sensor is not on within 10 seconds after the rear fence motor startscopyir.com • The rear fence HP sensor is not on within 10 seconds after the rear fence starts moving to the home positioncopyir.com    • Rear fence motor defective or poor connection • Too much load on the drive mechanism <Note> The other trays are still available to usecopyir.com
SC516    Tandem side fence motor error
Japanese version only    
SC520    Duplex jogger motor error 1
When the jogger fence moves to the home position, the jogger HP sensor does not turn on even if the jogger fence motor has moved the jogger fence 153copyir.com5 mmcopyir.com    • Jogger fence motor defective or poor connection • Too much load on the drive mechanism
SC521    Duplex jogger motor error 2
When the jogger fence moves from the home position, the jogger fence HP sensor does not turn off even if the jogger motor has moved the jogger fence 153copyir.com5 mmcopyir.com    • Jogger fence motor defective or poor connection • Too much load on the drive mechanism
SC530    By-pass feed motor lock
A by-pass feed motor lock signal is detected for more than 2 seconds during rotationcopyir.com    • By-pass feed motor defective or poor connection • Too much load on the drive mechanism
SC531    Fusing/duplex motor lock
A fusing/duplex motor lock signal is detected for more than 2 seconds during rotationcopyir.com    • Fusing/duplex motor defective or poor connection • Too much load on the drive mechanism
SC541    Fusing thermistor open
The fusing temperature detected by the thermistor is below 7°C for 35 secondscopyir.com    • Fusing thermistor defective or out of position • Poor thermistor terminal connection
SC542    Fusing temperature warming-up error
The fusing temperature does not reach the fusing standby temperature within 5 minutes after the main power switch is turned oncopyir.com    • Fusing thermistor defective or out of position • Fusing lamp open • Fusing thermofuse open • BICU defective • Power supply board defective • Poor fusing unit connection
SC543    Fusing overheat error 1 (software)
A fusing temperature of over 230°C is detected for 5 seconds by the fusing thermistorcopyir.com    • Fusing thermistor defective • BICU defective • I/O board (IOB) defective
SC544    Fusing overheat error 1 (hardware)
The BICU detects an overheat error even if the protection in the software does not workcopyir.com    • Fusing thermistor defective • BICU defective • I/O board defective
SC545    Fusing overheat error 2
The fusing lamp stays on at full power for 45 seconds while in the stand-by condition after warming-up is completedcopyir.com    • Fusing thermistor out of position
SC546    Fusing ready temperature malfunction
• A change in the fusing temperature by 20°C or more compared with the temperature of 1 second ago occurs 2 times consecutivelycopyir.com • A change in the fusing temperature by 20°C or more compared with the temperature of 1 second ago occurs 3 times consecutively for 1 minutecopyir.com    • Poor connection on the thermistor • Poor connection on the fusing unit connector
SC547    Zero cross signal malfunction
• When the main switch is on, the frequency measured by the number of zero cross signals for 500 ms is larger than 66Hz or smaller than 45Hzcopyir.com • It is measured 3 times consecutively for 500 ms that the interval between a zero cross signal and the next one is 7copyir.com5 ms or shortercopyir.com    • Power supply unit defective • Noise on the ac power line
SC590    Toner collection motor error
The toner collection motor sensor output does not change for 3 seconds while the toner collection motor is oncopyir.com    • Toner collection motor defective • Too much load on the drive mechanism • Poor toner collection motor connector connection • IOB defective • Toner collection motor sensor defective
SC601    Communication error between BICU and MCU
The BICU cannot communicate with the MCU board properlycopyir.com    • Poor connection between the BICU and MCU • MCU defective • BICU defective
SC602    Communication error between BICU and HDD controller
The BICU cannot communicate with the HDD controller properlycopyir.com    • Poor connection between the BICU board and HDD control board • BICU board defective
SC620    Communication error between BICU and ADF 1
The TXD and RXD signals between BICU and ADF main board do not stabilizecopyir.com    • Poor connection between the BICU board and ADF main board • Noise on interface cable
SC621    Communication error between BICU and ADF 2
The TXD and RXD signals between BICU and ADF main board do not stabilizecopyir.com    • Poor connection between the BICU board and ADF main board • ADF main board defective • BICU board defective
SC622    Communication error between BICU and ADF 3
Software error after abnormal user operationcopyir.com    • Software error
SC625    Communication error between BICU and finisher 1
The acknowledge signal does not come back from the finisher or mailbox to the BICU board 3 times consecutivelycopyir.com    • Finisher or mailbox main board defective • BICU board defective • Poor connection between BICU board and finisher or mailbox main board • Noise on the interface cable
SC626    Communication error between BICU and finisher 2
The BICU board receives a low signal even when the communication line is connected between the BICU board and the finisher or mailboxcopyir.com    • Finisher or mailbox main board defective • BICU board defective • Poor connection between BICU board and finisher or mailbox main board • Noise on the interface cable • Finisher or mailbox is installed with B098
SC630    CSS (RSS) communication error between line adapter and CSS center
Japan only    
SC635    Communication error between BICU and paper feed board 1
The acknowledge signal does not come back from the paper feed board to the BICU board 3 times consecutivelycopyir.com    • Paper feed board defective • BICU board defective • Poor connection between BICU board and paper feed board • Noise on the interface cable
SC636    Communication error between BICU and paper feed board 2
The BICU board receives a low signal even when the communication line is connected between the BICU board and the paper feed boardcopyir.com    • Paper feed board defective • BICU board defective • Poor connection between BICU board and paper feed board • Noise on the interface cable
SC700    ADF original pick-up malfunction 1
The pick-up roller Hcopyir.comP sensor signal does not change after the pick-up motor has turned oncopyir.com    • Pick-up roller Hcopyir.comP sensor defective • Pick-up motor defective • Timing belt out of position • ADF main board defective
SC701    ADF original pick-up malfunction 2
The pick-up roller HP sensor is not activated even after the pick-up motor turns oncopyir.com    • Pick-up roller HP sensor defective • Pick-up motor defective • ADF main board defective
SC702    ADF feed-in motor lock
1) The encoder signal cannot be detected within a specific time when the feedin motor is oncopyir.com 2) The pulse signal from the length sensor is not detected within a specific time when the feed-in motor is oncopyir.com    • Feed-in motor defective • Length sensor defective • Cable for length sensor or feed-in motor defective • Main board defectivedcopyir.com
SC703    ADF transport motor lock
The encoder signal cannot be detected within a specific time when the transport motor is oncopyir.com    • Transport motor defective • Cable for transport motor defective • Main board defective
SC704    ADF feed-out motor lock
The encoder signal cannot be detected within a specific time when the feed-out motor is oncopyir.com    • Feed-out motor defective • Cable for feed-out motor defective • Main board defective
SC705    ADF bottom plate motor error
1) The bottom plate position sensor does not turn on when the bottom plate motor lifts the bottom platecopyir.com 2) The bottom plate HP sensor does not turn on when the bottom plate motor lowers the bottom platecopyir.com    • Bottom plate position sensor defective • Bottom plate HP sensor defective • Bottom plate motor defective • Main board defective
SC720    Finisher transport motor error
The encoder pulse of the transport motor does not change state (high/low) within a certain period of timecopyir.com    • Finisher transport motor defective or poor connection • Finisher main board defective • Too much load on drive mechanism
SC722    Finisher jogger motor error
1) The finisher jogger Hcopyir.comP sensor remains de-activated for more than a certain time when returning to home positioncopyir.com 2) The finisher jogger Hcopyir.comP sensor remains activated for more than a certain time when moving away from home positioncopyir.com    • Jogger Hcopyir.comP sensor defective • Jogger motor defective
SC724    Finisher staple hammer motor error
Stapling does not finish within a certain time after the staple hammer motor turned oncopyir.com    • Staple hammer motor defective • Staple jam
SC725    Finisher stack feed-out motor error
The stack feed-out belt Hcopyir.comP sensor does not activate within a certain time after the stack feed-out motor turned oncopyir.com    • Stack feed-out Hcopyir.comP sensor defective • Stack feed-out motor defective
SC726    Finisher shift/lift motor error
Tray shift does not finish within a certain time after the shift motor turned oncopyir.com 2) The stack height sensor does not activate within a certain time after the shift tray lift motor turned oncopyir.com    • Shift motor defective • Shift tray lift motor defective
SC727    Finisher stapler rotation motor error
1) Stapler rotation does not finish within a certain time after the stapler rotation motor turned oncopyir.com 2) The stapler does not return to its home position within a certain time after stapling finishedcopyir.com    • Stapler rotation motor defective • Poor stapler rotation motor connection
SC729    Finisher punch motor error
The punch Hcopyir.comP sensor does not activate within a certain time after the punch motor turned oncopyir.com    • Punch motor defective • Punch Hcopyir.comP sensor defective • Poor punch motor connection
SC730    Finisher stapler position motor error
1) The stapler Hcopyir.comPcopyir.com sensor stays on for longer than normal when the stapler motor turns on to return the stapler to its home positioncopyir.com 2) The stapler Hcopyir.comP sensor does not turn on within a certain time after the stapler motor turned on to move the stapler away from home positioncopyir.com    • Stapler motor defective • Stapler Hcopyir.comP sensor defective • Poor stapler motor connection
SC731    Finisher paper exit guide plate motor lock
The exit plate HP sensor does not turn on within 800 ms when the exit plate returns to its home positioncopyir.com    • Exit plate motor defective • Too much load to exit plate motor • Exit plate motor connector defective • Exit plate HP sensor defective • Main board defective
SC735    Finisher pre-stack motor error
It occurs 2 times consecutively that the pre-stack HP sensor is not activated within 400 pulses after the pre-stack motor startscopyir.com    • Pre-stack HP sensor defective or poor connection • Pre-stack motor defective • Finisher main board defective • Too much load on the drive mechanism
SC736    Finisher paper exit guide plate motor error
It occurs 2 times consecutively that the paper exit guide plate HP sensor is not activated within 750 ms after the paper exit guide plate motor startscopyir.com    • Paper exit guide plate sensor defective or poor connection • Paper exit guide plate motor defective • Finisher main board defective • Too much load on the drive mechanism
SC737    Finisher staple waste full
The box for staple waste becomes fullcopyir.com    • Box is full of staple waste • Staple waste sensor defective
SC738    Finisher shift tray lift motor error
It occurs 2 times consecutively that; 1) The stack height sensor is not activated within 50 seconds after the motor starts lifting the traycopyir.com 2) The stack height sensor is still activated 5 seconds after the motor starts lowering the traycopyir.com    • Stack height sensor defective or poor connection • Shift tray lift motor defective • Finisher main board defective • Too much load on the drive mechanism
SC740    1,000-sheet finisher error in finisher area
NOTE: When this SC is displayed, check SP7-902 (SC detail)copyir.com The first 2 digits indicate the type of errorcopyir.com Example: 740 0100000000000000    
SC741    1000 sheet finisher error in saddle stitching area
NOTE: When this SC is displayed, check SP7-902 (SC detail)copyir.com The first 2 digits indicate the type of errorcopyir.com Example: 741 0100000000000000    
SC900    Electrical total counter error
The total counter contains something that is not a numbercopyir.com    • NVRAM defective
SC901    Mechanical total counter error
The mechanical counter is not connectedcopyir.com    • Mechanical total counter defective • Mechanical total counter connector not connected
SC951    F-gate signal error 2
When the IPU has already received the F-gate signal (laser writing start trigger signal), the IPU receives another F-gate signalcopyir.com    • SBICU defective
SC953    Scanner image setting error
The settings that are required for image processing using the scanner are not sent from the IPUcopyir.com    • Software defective
SC954    Printer image setting error
The settings that are required for image processing using the printer controller are not sent from the IPUcopyir.com    • Software defective
SC955    Memory setting error
The settings that are required for image processing using the memory are not sent from the IPUcopyir.com    • Software defective
SC956    Scanner setting ID error
The ID that is sent from the IPU for scanner parameter setting is different from expectedcopyir.com    • Software error
SC957    Scanner return ID error
The ID that is sent from the IPU for the scanner return signal is different from expectedcopyir.com    • Software error
SC958    Scanner ready ID error
The ID that is sent from the IPU for the scanner ready signal is different from expectedcopyir.com    • Software error
SC959    Printer setting ID error
The ID that is sent from the IPU for the printer setting signal is different from expectedcopyir.com    • Software error
SC960    Printer return ID error
The ID that is sent from the IPU for the printer return signal is different from expectedcopyir.com    • Software error
SC961    Printer ready ID error
The ID that is sent from the printer controller in the printer controller printing ready condition is incorrectcopyir.com    • Software defective
SC962    Memory setting ID error
The ID that is sent from the memory when the IPU sent the memory ready signal is incorrectcopyir.com    • Software defective
SC963    Memory finishing ID error
The ID that is sent from the memory when the IPU sent the memory finish signal is incorrectcopyir.com    • Software defective
SC964    Printer ready error
The print ready signal is not generated for more than 17 seconds after the IPU received the print start signalcopyir.com    • Software defective
SC966    No laser writing signal (F-GATE) error 2
The level of the laser writing signal (F-GATE) fails to reach LOW for more than 15 seconds after the copy paper reaches the registration sensorcopyir.com    • Poor cable connection with the polygon mirror motor driver • Polygon mirror motor (driver) defective • BICU defective
SC970    Scanner ready error
The MCU does not send the ready signal for 10 seconds after the scanning start command is sent to the MCUcopyir.com    • Communication error between BICU and MCU • MCU software defective • Buffer is full
SC980    HDD access error
Incorrect parameter is sent from the BICU to the HDD controllercopyir.com    • Software defective • BICU defective
SC982    HDD construction error
A HDD that does not have the correct specifications has been installedcopyir.com    • Insufficient memory • Incorrect hard disk type
SC984    HDD response error
The HDD controller does not generate any response when the BICU sends a read/write signal to the HDD controllercopyir.com    • Software defective • HDD defective or poor connection
SC990    Software performance error
The software performs an unexpected functioncopyir.com    • Software defective NOTE: When this SC occurs, the file name, address, and data will be stored in the NVRAMcopyir.com These data can be checked by entering SP mode then pressing “0”copyir.com

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