Ricoh Aficio 2090 Error Codes كل اكواد ماكينة 2090 ريكو

• Code: SC101
• Description:
  Exposure Lamp Error
  The standard white level was not detected properly when scanning the white plate.
• Causes:
  • Lamp stabilizer defective • Exposure lamp connector defective • Scanner motor control unit (MCU board) defective • SBU board defective • Dirty standard white plate • Dirty scanner mirror or scanner mirror or lens block out of position

• Code: SC120
• Description:
  Scanner Home Position Error 1
  The scanner home position sensor does not detect the on condition during initialization or copying.
• Causes:
  • Scanner home position sensor defective • Poor connection between HP sensor and MCU board • Scanner motor control unit (MCU board) defective • Scanner wire, timing belt, pulleys, or carriage out of position • Scanner motor defective • Poor connection or defective harness between MCU board and scanner motor

• Code: SC121
• Description:
  Scanner Home Position Error 2
  Scanner home position sensor OFF not detected.
• Causes:
  • Scanner home position sensor defective • Poor connection between MCU board and scanner home position sensor • Harness between MCU board and sensor defective • MCU board defective • Scanner wire, timing belt, pulleys, or carriage out of position • Scanner drive motor defective • Harness between MCU board and scanner motor disconnected

• Code: SC124
• Description:
  Encoder Signal Error
  The scanner motor encoder connector is not set correctly, or the encoder signal was not input. When the scanner motor encoder connector is not set correctly, or occasionally even if set correctly, this error is detected if there is no input 4 ms after scanning begins.
• Causes:
  • Scanner motor encoder connector disconnected • Scanner motor lead connector disconnected • Scanner motor defective • MCU board defective (scanner motor control unit) • Scanner wire, timing belt, pulleys, or carriage installation incorrect • Power supply connector disconnected (+38V ±12V) • Power supply unit (PSU-E board) defective

• Code: SC125
• Description:
  Scanner Motor Error 2
  Scanner motor stopped before feedback from scanner HP sensor detected, or motor speed too slow when detected at scanner HP sensor.
• Causes:
  • Scanner motor defective (high torque) • Overload on scanner drive mechanism • MCU board defective (scanner motor unit control)

• Code: SC126
• Description:
  Scanner Motor Error 3
  The scanner motor does not stop within 15 mm after the scanner home position sensor turns on when the scanner returns.
• Causes:
  • Scanner motor defective (low torque) • Overload on scanner drive mechanism • MCU board defective (scanner motor control unit)

• Code: SC127
• Description:
  Scanner Motor Error 4
  The scanner motor rotates in the opposite direction to the signal from the MCU board.
• Causes:
  • Scanner motor defective (motor lead connected incorrectly) • MCU board defective (scanner motor control unit)

• Code: SC128
• Description:
  Scanner Motor Error 5
  The scanner motor speed does not reach the target speed by the time the scanning start point is reached.
• Causes:
  • Scanner motor defective • Overload on scanner mechanism • PSU-E board defective • MCU board defective (scanner motor control unit)

• Code: SC129
• Description:
  Scanner Motor Error 6
  The scanner motor speed is abnormal.
• Causes:
  • Scanner motor defective • Scanner drive mechanism defective • PSU-E board defective • MCU board defective (scanner motor control unit)

• Code: SC143
• Description:
  SBU (Sensor Board Unit) Error 1
  At power on, the SBU white level adjustment, black level check, and final SBU white level check did not execute.
• Causes:
  • SBU defective • IPU defective • BCU defective • Harness between the SBU and IPU defective • Standard white plate not installed correctly, or is dirty • Scanner mirrors and/or lenses are dirty or installed incorrectly
• • Code: SC144
  • Description:
    SBU (Sensor Board Unit) Error 2
    At power on, the specified SBU ID (GASBUP and LM98513) could not be read after 3 tries
  • Causes:
    • SBU defective • IPU defective • BCU defective • Harness between SBU and IPU defective
  • Code: SC300
  • Description:
    Charge Corona Output Error 1 (Charge Leakage)
    A high feedback voltage for the charge corona (more than 4.5 V) was detected from the CBG (charge, bias, grid) power pack 9 times within 60 ms.
  • Causes:
    • CBG power pack defective • Poor charge corona unit connection • Charge corona unit connector defective
  • Code: SC301
  • Description:
    Charge Corona Output Error 2 (Circuit Open)
    A low feedback voltage for the charge corona (less than 1.5 V) was detected from the CBG power pack 9 times for 60 ms.
  • Causes:
    • Charge/bias/grid power pack defective • Poor charge corona unit connection • Charge corona unit connector defective
  • Code: SC303
  • Description:
    Charge Grid Output Error 1 (Grid Leakage)
    A high feedback voltage for the grid (more than 4.5 V) was detected from the CBG power pack 9 times consecutively for 60 ms.
  • Causes:
    • Charge/bias/grid power pack defective • Poor charge corona unit connection • Charge corona unit connector defective
  • Code: SC304
  • Description:
    Charge Grid Output Error 2 (Grip Open)
    A low feedback voltage for the grid (less than 1.0 V) was detected from the CBG power pack 9 times for 60 ms.
  • Causes:
    • Charge/bias/grid power pack defective • Poor charge corona unit connection • Charge corona unit connector defective
  • • Code: SC314
    • Description:
      Drum Potential Sensor Error 5 (Vh Abnormal)
      When adjusting the drum potential (Vh) for LD power adjustment during process control initial setting, the first time the Vh pattern is made, the drum potential sensor detects that Vh is more than 600 V. NOTE: After this SC is issued, the grid voltage changes to the value set with SP2001-001 (Charge Corona Bias Adjustment) and LD power changes to the value set with SP2103 (LD Power Adjustment).
    • Causes:
      • Drum worn • Drum potential sensor defective • Poor drum potential sensor connection • Drum potential sensor connector defective • LD unit requires cleaning • IOB defective • Drum unit connector defective • LDB board defective
    • Code: SC315
    • Description:
      Drum Potential Sensor Error 6 (Vd Abnormal)
      When adjusting Vd for the unexposed drum during process control initialization, Vd does not reach the voltage set for SP2001 007 ± 20 V even if Vg has been adjusted 5 times. SP2001 007 (Charge Corona Bias Adjustment . Vd) adjusts the target Vd voltage for process control. Range/Default/Step: [700~1000 / 800 / 5 V]. NOTE: If the Vd adjustment fails, the machine uses the charge grid voltage Vg for the previous adjustment. In this condition, normal ID sensor pattern detection is done.
    • Causes:
      • Drum potential sensor defective • Drum potential sensor harness defective • Drum potential sensor connector defective • IOB defective • Drum unit connector defective • CBG power pack defective
    • Code: SC316
    • Description:
      Drum Potential Sensor Error 7 (Vh abnormal)
      One of the following occurred: • When adjusting the drum potential (Vh) for the process control initial setting, the drum potential sensor detects Vh is not within the range .260 + .Vlref +- 20V. In this case, the auto process control value is used. • During retries for LD power modulation to adjust the amount of light, the adjustment was out of range (-70 to +185). In this case, the value of the setting is used.
    • Causes:
      • Drum potential sensor defective • IOB defective • Drum unit connector defective • LDB board defective • Poor drum ground connection • Drum worn • Laser optics need cleaning
    • Code: SC317
    • Description:
      Drum Potential Sensor Error 8
      At auto process control initialization, the VL detected after creation of the ID sensor pattern is greater than 300. Possible Causes • Drum worn • LD unit dirty • Poor drum ground connection
    • Causes:
      • Drum worn • LD unit dirty • Poor drum ground connection
    • Code: SC322
    • Description:
      Laser Synchronization Error
      The laser synchronization signal (DETP) cannot be detected by the synchronization detector even if the laser diodes are activated and the polygon mirror motor is rotating normally.
    • Causes:
      • Laser synchronization detector harness disconnected or defective • Laser synchronization detector is installed incorrectly out of position • LDB board, Polygonal mirror motor control PCB defective. After the CPU issues the LD ON command, the LD OFF signal remains HIGH and the laser diodes do not fire • LDB board, Polygonal mirror motor control PCB defective. After the CPU issues the LD ON command, the LD OFF signal goes low, but the laser diodes still do not fire
    • Code: SC323
    • Description:
      Excessive LD Drive Current
      The value of the LD driver offset current is over the allowed current (about 90 mA).
    • Causes:
      • Poor LDB board harness connection • LDB defective • LD unit defective
    • Code: SC335
    • Description:
      Polygonal Mirror Motor Error 1
      The polygonal mirror motor does not reach its operating speed within 20 s after the polygonal mirror motor turns on, or the polygonal mirror motor speed is changed. (The XSCRDY signal does not go LOW for active.)
    • Causes:
      • Poor connection between polygonal mirror motor and I/F harness • Polygonal mirror motor, LDB, or polygon mirror motor control PCB defective • IPU defective
    • Code: SC336
    • Description:
      Polygonal Mirror Motor Error 2
      The XSCRDY signal (polygon mirror motor ready signal) does not go HIGH (inactive) within 20 s after the polygonal mirror motor switches off.
    • Causes:
      • Poor connection between the polygon mirror motor control PCB and I/F harness • Polygonal mirror motor, polygon mirror motor control PCB, or LDB board defective • IPU defective
    • Code: SC337
    • Description:
      Polygonal Mirror Motor Error 3 (SCRDY Signal Error)
      While the polygonal mirror motor is rotating normally, the lock signal (XSCRDY or polygon mirror motor ready signal) is detected HIGH (inactive) even though the motor has not been switched off nor has the motor rotation been changed.
    • Causes:
      • Electrical noise interfering with the lock signal (XSCRDY) • Poor connection between polygonal mirror motor control PCB and I/F harness • Polygonal mirror motor or LDB defective
    • Code: SC338
    • Description:
      Polygonal Mirror Motor Error 4
      The XSCRDY signal (polygon mirror motor ready signal) does not stabilize within 20 s when: • The motor is switched ON or OFF • After the rotation of the motor has been changed
    • Causes:
      • Poor connection between the polygonal mirror motor control PCB and the I/F harness • Polygonal mirror motor or LDB defective
    • • Code: SC340
      • Description:
        TD Sensor Error 1 (Vt Measurement Error)
        The TD sensor output voltage is detected less than 0.5 V or more than 4.0 V for 10 continuous copies.
      • Causes:
        • TD sensor defective • TD sensor harness defective • TD sensor connector defective • IOB defective • Toner supply defective; check the toner supply path from the toner bank through to the hopper • BCU defective
      • Code: SC341
      • Description:
        TD Sensor Error 2 (TD Sensor Control Voltage Abnormal)
        One of the following TD sensor output voltages is detected during TD sensor initial setting. • Less than 2.5 V when the maximum PWM (255) is applied to the TD sensor. • 2.5 V or more when minimum PWM (0) is applied to the TD sensor. NOTE: When an abnormal condition is detected, .0. is displayed for SP2906 (Vcont Manual Setting).
      • Causes:
        • TD sensor defective • TD sensor harness defective • TD sensor connector defective • IOB defective • Toner supply defective; check the toner supply path from the toner bank through to the hopper • BCU defective
      • Code: SC342
      • Description:
        TD Sensor Error 3 (TD Sensor Adjustment Error)
        The TD sensor output voltage is not adjusted to 2.5 ± 0.1 V within 20 s during automatic TD sensor initial setting. NOTE: When an abnormal condition is detected, .0. is displayed for SP2906 (Vcont Manual Setting).
      • Causes:
        • TD sensor defective • TD sensor harness defective • TD sensor connector defective • IOB defective • Toner supply defective; check the toner supply path from the toner bank through to the hopper • BCU defective
      • Code: SC345
      • Description:
        Development Bias Leak
        Maximum PWM for the development bias signal was applied 10 times for 60 ms.
      • Causes:
        • CBG power pack defective • Defective or disconnected harness between CBG power pack and development unit • Defective harness connector
      • Code: SC350
      • Description:
        ID Sensor Error 1
        One of the following ID sensor output voltages was detected when checking the ID sensor pattern. 1)Vsp >= 2.5 V 2)Vsp = 0 V NOTE: 1) Vsp is the ID sensor output after checking the ID sensor pattern image. 2) The SC code is not displayed; only the logging data is incremented. 3) Regarding toner supply, if an abnormal condition is detected, then only the toner density sensor output is used, without an updated Vref setting. 4) After an abnormal condition is detected, SP3103 (ID Sensor Output Display) shows Vsp = Vsg (or 5.0V).
      • Causes:
        • ID sensor defective • ID sensor harness defective • ID sensor connector defective • IOB board defective • LD unit defective • BCU defective • CBG power pack defective • Dirty ID sensor
      • Code: SC351
      • Description:
        ID Sensor Error 2
        One of the following conditions were detected when checking the ID sensor pattern: 1) Vsg <= 2.5 V 2) Vsg = 0 V 3) The ID sensor output voltage = 5.0 V and PWM signal input to ID sensor = 0 Vsg is the ID sensor output after checking the erased drum surface NOTE: 1) Vsp is the ID sensor output after checking the ID sensor pattern image. 2) The SC code is not displayed; only the logging data is incremented. 5) Regarding toner supply, if an abnormal condition is detected, then only the toner density sensor output is used, without an updated Vref setting. 6) After an abnormal condition is detected, SP3103 (ID Sensor Output Display) shows Vsp = Vsg (or 5.0V).
      • Causes:
        • ID sensor defective • ID sensor harness defective • ID sensor connector defective • IOB defective • LD unit defective • BCU defective • CBG power pack defective • Dirty ID sensor
      • Code: SC352
      • Description:
        ID Sensor Error 3
        At the ID sensor pattern check, the ID sensor pattern edge voltage is not detected at 2.5 V for 1.5 seconds. NOTE: 1) Vsp is the ID sensor output after checking the ID sensor pattern image. 2) The SC code is not displayed; only the logging data is incremented. 3) Regarding toner supply, if an abnormal condition is detected, then only the toner density sensor output is used, without an updated Vref setting. 4) After an abnormal condition is detected, SP3103 (ID Sensor Output Display) shows Vsp = Vsg (or 5.0V).
      • Causes:
        • ID sensor defective • ID sensor harness defective • ID sensor connector defective • IOB defective • LD unit defective • BCU defective • CBG power pack defective • Dirty ID sensor
      • Code: SC353
      • Description:
        ID Sensor Error 4 (Adjustment Error)
        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. NOTE: 1) The most recent PWM value is used for control. 2) The values displayed with SP3103 (ID Sensor Output Display) are the actual values.
      • Causes:
        • ID sensor defective • ID sensor harness defective • ID sensor connector defective • IOB defective • LD unit defective • BCU defective • CBG power pack defective • Dirty ID sensor
      • Code: SC354
      • Description:
        ID Sensor Error 5
        Vsg is not adjusted to target (4.0 +- 0.2 V) within 20 s during VSG checking. NOTE: 1) The most recent PWM value is used for control. 2) The values displayed with SP3103 (ID Sensor Output Display) are the actual values.
      • Causes:
        • ID sensor defective • ID sensor connector defective • Poor ID sensor connector connection • IOB defective • LD unit defective • BCU defective • CBG power pack defective • Dirty ID sensor
      • Code: SC355
      • Description:
        ID Sensor Voltage Error
        The ID sensor voltage (Vp) exceeds 800 V for 10 continuous counts.
      • Causes:
        • Drum potential sensor defective • IOB defective • Poor drum unit connection or connectors defective • Poor drum ground connection • LD defective • Poor drum cleaning ground connection • Drum worn • Dirty laser optics
      • • Code: SC400
        • Description:
          Transfer Bias Roller Leak
          After the transfer current begins, the value of the transfer current set with SP2301 (Transfer Current Adjustment) exceeds the specified setting, and feedback voltage lower than 0.75V is detected for 16 counts (about 100 ms).
        • Causes:
          • CBG power pack defective • Poor connection between the transfer current terminal and the transfer power pack.
        • Code: SC401
        • Description:
          Transfer roller open error
          When transfer bias is applied to the bias roller while the main motor is operating, after bias output has started, one of the following conditions exists: • Input connector is defective • Output connector is defective
        • Causes:
          • Transfer power pack defective • Poor connection between the transfer current terminal and the transfer power pack.
        • Code: SC430
        • Description:
          Quenching Lamp Error
          When finishing the process control initial setting at the end of a job and the drum motor has stopped, the drum potential detected by the drum potential sensor is beyond the normal range.
        • Causes:
          • Quenching lamp defective • Quenching lamp connector defective • Poor connection between quenching lamp and CBG power pack
        • Code: SC440
        • Description:
          Drum Motor Lock
          The drum motor lock signal is longer than 2 s while the drum motor is on.
        • Causes:
          • Motor lock due to overload • BCU defective
        • Code: SC441
        • Description:
          Development Motor Lock
          While the motor is operating, the motor lock signal remains LOW for 2 s.
        • Causes:
          • Motor lock due to overload • BCU defective
        • Code: SC491
        • Description:
          Polygonal Mirror Motor Cooling Fan Motor Lock
          The polygonal mirror motor cooling fan motor lock signal remains HIGH for 5s while the polygonal mirror motor cooling fan motor is on.
        • Causes:
          • Drive mechanism overload • Obstruction has stopped the fan • Fan connector loose
        • Code: SC492
        • Description:
          Development Unit Suction Motor
          While the development unit toner suction motor is operating, the lock sensor output does not change for 1 s.
        • Causes:
          • Motor lock due to overload • BCU defective
        • Code: SC495
        • Description:
          Toner Bottle Unit Error
          The toner hopper sensor cannot detect toner even after the toner supply coil clutch turns on 10 times within 2 s during toner supply during copying.
        • Causes:
          • Toner supply pump motor defective • Toner supply pump motor connector loose • Toner supply coil clutch defective • Toner supply coil clutch connector defective • Toner near-end sensor (in the toner bank) defective • Toner near-end sensor (in the toner bank) spring defective • Toner blockage in the toner supply pump or toner supply path • Toner hopper sensor defective
        • Code: SC496
        • Description:
          Toner Collection Bottle Error
          The toner collection bottle sensor or development unit toner suction bottle set sensor remains off for 3 s.
        • Causes:
          • Used toner collection bottle or development unit waste toner suction collection bottle is incorrectly set • Used toner collection bottle or development unit waste toner suction collection bottle connector is loose or sensor defective
        • Code: SC497
        • Description:
          Development Unit Toner Suction Bottle Error
          During machine operation, the development unit toner suction bottle set sensor goes off for 3 s.
        • Causes:
          • Bottle is not installed • Toner suction bottle set sensor connector is loose
        • • Code: SC501
          • Description:
            1st Tray Lift Malfunction
            One of the following conditions is detected in the 1st tray (tandem tray) of the main machine: • The 1st tray lift sensor is not activated for 10 s after the 1st tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The 1st tray lift sensor is already activated when the 1st tray is placed in the machine.
          • Causes:
            • Poor 1st tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • 1st pick-up solenoid connector is loose • 1st pick-up solenoid is blocked by an obstruction
          • Code: SC502
          • Description:
            2nd Tray Lift Malfunction
            One of the following conditions is detected in the 2nd tray of the main machine: • The 2nd tray lift sensor is not activated for 10 s after the 2nd tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The 2nd tray lift sensor is already activated when the 2nd tray is placed in the machine.
          • Causes:
            • Poor 2nd tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • 2nd pick-up solenoid connector is loose • 2nd pick-up solenoid is blocked by an obstruction
          • Code: SC503
          • Description:
            3rd Tray Lift Malfunction
            One of the following conditions is detected in the 3rd tray of the main machine: • The 3rd tray lift sensor is not activated for 10 s after the 3rd tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The 3rd tray lift sensor is already activated when the 3rd tray is placed in the machine.
          • Causes:
            • Poor 3rd tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • 3rd pick-up solenoid connector is loose • 3rd pick-up solenoid is blocked by an obstruction
          • Code: SC504
          • Description:
            4th Tray (LCT 1st Tray) Lift Malfunction
            One of the following conditions is detected in the 4th tray: • The LCT 1st lift sensor is not activated for 10 s after the LCT 1st tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The LCT 1st lift sensor is already activated when the LCT 1st tray is placed in the machine.
          • Causes:
            • Poor LCT 1st tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • LCT 1st pick-up solenoid connector is loose • LCT 1st pick-up solenoid is blocked by an obstruction
          • Code: SC505
          • Description:
            5th Tray (LCT 2nd Tray) Lift Malfunction
            One of the following conditions is detected in the 5th tray: • The LCT 2nd lift sensor is not activated for 10 s after the LCT 2nd tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The LCT 2nd lift sensor is already activated when the LCT 2nd tray is placed in the machine.
          • Causes:
            • Poor LCT 2nd tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • LCT 2nd pick-up solenoid connector is loose • LCT 2nd pick-up solenoid is blocked by an obstruction
          • Code: SC506
          • Description:
            6th Tray (LCT 3rd Tray) Lift Malfunction
            One of the following conditions is detected in the 6th tray. • The LCT 3rd lift sensor is not activated for 20 s after the LCT 3rd tray lift motor turned on. • Upper limit is not detected within 20 s while the paper tray is lifting during paper feed. • The LCT 3rd lift sensor is already activated when the LCT 3rd tray is placed in the machine.
          • Causes:
            • Poor LCT 3rd tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • LCT 3rd pick-up solenoid connector is loose • LCT 3rd pick-up solenoid is blocked by an obstruction
          • Code: SC507
          • Description:
            7th Tray (Bypass Tray) Lift Mechanism
            One of the following conditions is detected in the optional bypass tray. • The bypass tray lift sensor is not activated for 10 s after the tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The bypass tray lift sensor is already activated paper is placed in the 7th tray.
          • Causes:
            • Poor bypass tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • Bypass tray pick-up solenoid connector is loose • Bypass tray pick-up solenoid is blocked by an obstruction
          • Code: SC510
          • Description:
            Paper Feed Motor Lock
            An abnormal signal is sent from the paper feed motor.
          • Causes:
            • Paper feed motor defective • Poor paper feed motor connector connection • Too much load on the drive mechanism
          • Code: SC511
          • Description:
            LCT Motor Error 1
            The motor overload lock signal for the LCT motor is detected HIGH for more than 500 ms during rotation.
          • Causes:
            • LCT motor defective • Too much load on the drive mechanism
          • Code: SC512
          • Description:
            Bypass Tray Error 1
            The motor overload lock signal for the optional bypass tray motor is detected HIGH for more than 400 ms during rotation.
          • Causes:
            • Bypass tray motor defective • Too much load on the drive mechanism
          • • • • • • • • • • •