Bảng mã lỗi ricoh 4054/5054

Máy photo Tâm Phát Gửi Quý Khách Bảng tra mã lỗi Photocopy Ricoh 4054/5054

- SC Code Photocopy Ricoh 5054

- Bảng tra mã lỗi Photocopy Ricoh 5054

- Tài liệu sửa chữa Photocopy Ricoh 5054

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Những yêu cầu hỗ trợ khác về máy photocopy Ricoh Aficio 5054:

- Hướng dẫn download Driver máy Photocopy

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- Tài liệu sửa chữa máy Photocopy

- Tài liệu hướng dẫn sử dụng máy Photocopy(Copier User Guide - Copier User Manual)

- SP mode máy Photocopy (Service Program Mode)

- SC Code máy photocopy (Service Call Code - Bảng tra lỗi)

- Dịch vụ cho thuê máy photocopy tại Hà Nội

- Mọi thắc mắc vui lòng liên hệ Hotline: 0947476222 - 024 39995222

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• Code: SC101-01
• Description:Lamp Error (Scanning) The white level peak did not reach the prescribed threshold when the white plate was scanned.
• Causes:• LED defective • IDB (LED driver) defective • SBU defective • IPU defective • Power/signal harness defective • Condensation in scanner unit • Mirrors or lenses dirty or positioned incorrectly • White plate dirty or installed incorrectly
• Remedy:1. Turn the power off/on. 2. Perform the following operations: • Reconnect the power/signal harness. • Reattach/clean the mirrors/lenses. • Reattach/clean the white plate. • Reattach/clean the scanner guide plate. 3. Replace the following parts: • Replace the LED board. • Replace the IDB board or SIO board. • Replace the SBU board. • Replace the IPU board. • Replace the power/signal harness.

• Code: SC101-02
• Description:Lamp Error (LED illumination adjustment) LED error was detected.
• Causes:• LED defective • IDB (LED driver) defective • Power/signal harness defective
• Remedy:1. Turn the power off/on. 2. Perform the following operations: • Reconnect the power/signal harness. 3. Replace the following parts: • Replace the LED board. • Replace the IDB board or SIO board. • Replace the power/signal harness.

• Code: SC102
• Description:LED Illumination Adjustment Error The white level peak reached the prescribed threshold when the white plate was scanned after a specified number of adjustments.
• Causes:• LED defective • IDB (LED driver) defective • SBU defective • IPU defective • Power/signal harness defective
• Remedy:1. Turn the power off/on. 2. Reconnect the power/signal harness. 3. Replace the following parts: • Replace the LED board. • Replace the SBU board. • Replace the IDB board or SIO board. • Replace the IPU board. • Replace the power/signal harness.

• Code: SC120
• Description:Scanner Home Position Error 1 The scanner home position sensor does not go OFF. Details: Error detection timing • During homing (when the machine is turned ON or when it returns from energy save mode) • During an automatic adjustment (when the machine is turned ON or when it returns from energy save mode) • During a scan from the ADF or exposure glass.
• Causes:• Scanner motor driver defective • Scanner motor defective • Scanner HP sensor defective • Harness defective • Timing belt, pulley, wire, or carriage not installed correctly
• Remedy:Replace the following parts: • Replace the HP sensor • Replace the scanner motor • Replace the harness.

• Code: SC121
• Description:Scanner Home Position Error 2 The scanner home position sensor does not go ON. Details: Error detection timing • During homing • During an automatic adjustment • During a scan from the ADF or exposure glass.
• Causes:• Scanner motor driver defective • Scanner motor defective • Scanner HP sensor defective • Harness defective • Timing belt, pulley, wire, or carriage not installed correctly
• Remedy:Replace the following parts: • Replace the home position sensor • Replace the scanner motor • Replace the harness.

• Code: SC141
• Description:Black level detection error The black level cannot be adjusted within the target during auto gain control.
• Causes:• SBU defective • IPU defective • Power/signal harness defective
• Remedy:1. Turn the power off/on. 2. Reconnect the power/signal harness. 3. Replace the following parts: • Replace the SBU board. • Replace the IPU board. • Replace the power/signal harness.

• Code: SC142
• Description:White level detection error The white level cannot be adjusted to the second target level within the target during auto gain control.
• Causes:• SBU defective • LED defective • IDB (LED driver) defective • IPU defective • Power/signal harness defective • Scanner drive error • Condensation in scanner unit • Mirrors or lenses dirty or positioned incorrectly • White plate dirty or installed incorrectly
• Remedy:1. Turn the power off/on. 2. Perform the following operations: • Reconnect the power/signal harness. • Reattach/clean the mirrors/lenses. • Reattach/clean the white plate. 3. Replace the following parts: • Replace the SBU board. • Replace the LED board. • Replace the IDB board. • Replace the IPU board. • Replace the SIO board. • Replace the power/signal harness.

• Code: SC144
• Description:SBU Communication Error • Connection to SBU cannot be confirmed. (Connection detection error) • Cannot communicate with the SBU, or the communication result is abnormal.
• Causes:• SBU defective • The other side of the communication (BCU, IPU etc.) defective • Power/signal harness defective
• Remedy:1. Turn the power off/on. 2. Reconnect the power/signal harness. 3. Replace the following parts: • Replace the SBU board. • Replace the IPU board. • Replace the BCU board. • Replace the power/signal harness.

• Code: SC161-01
• Description:IPU Error (LSYNC abnormal) An error occurred during the self-diagnostic test performed every time the machine is turned on, or returns to full operation from energy save mode.
• Causes:• IPU (or BCU) board defective (ASIC-BREIT connection failure, LSYNC abnormal, etc.) • Cable between SBU and IPU (or BCU) defective
• Remedy:• Replace the IPU (or BCU) board. • Check the cable between SBU and IPU (or BCU)

• Code: SC165
• Description:Copy data security unit error
• Causes:• The copy data security option is enabled in the User Tools but the option board is detected as missing or defective. • The copy data security option was detected as defective when the machine was turned on or returned from energy save mode. • Copy data security unit board not installed correctly • Copy data security unit board defective
• Remedy:• Reinstall the copy data security unit board. • Replace the copy data security unit board.

• Code: SC185-00
• Description:CIS Transmission Error The data read from the ASIC register on the CIS were not as expected. Details: • Occurs when a serial communication error between the CIS board and the DF board is detected. Occurs also when an error is detected during initialization of the ASIC on the CIS. • This can happen during initialization and feeding. The first and second consecutive occurrences of each constitute jams. The third occurrence constitutes an SC.
• Causes:• Connector or harness between DF board and CIS board is disconnected or defective • ASIC on the CIS is defective • Boot failure of ASIC on the CIS
• Remedy:• Reconnect the power/signal harness. • Replace the CIS unit (CIS and CIPB). • Replace the ADF control board. • Replace the power/signal harness.

• Code: SC186-00
• Description:CIS LED Error During initialization: • The ratio between the average values of leading-edge area and rear-edge area is out of specification. • Shading data peak value is below specification. During scanning: • Shading data peak value is below specification. Details: During initialization: • Occurs when one out of two CIS LEDs is malfunctioning, causing the difference between the average values of leading-edge area and rear-edge area to be large (CIS LED error detection). • Occurs when both of the CIS LEDs are malfunctioning (unlit), causing the shading data peak value to be extremely low (CIS white level adjustment). During scanning: • Occurs when both of the CIS LEDs are malfunctioning (unlit), causing the shading data peak value to be extremely low (CIS scan control, gray balance adjustment / confirmation). • The first and second consecutive occurrences of each constitute initial/feed jams. The third occurrence constitutes an SC.
• Causes:During initialization: • One or two out of two CIS LEDs are defective During scanning: • Both of the CIS LEDs are defective.
• Remedy:• Reconnect the power/signal harness. • Replace the CIS unit (CIS and CIPB). • Replace the CIS background white roller. • Replace the power/signal harness. • Replace the ADF main control board.

• Code: SC187-00
• Description:CIS Black Level Error The black level scanned by CIS is abnormal. Details: • Occurs when abnormality is detected in the process of black level generation – detection. • The first and second consecutive occurrences constitute initial jams. The third occurrence constitutes an SC.
• Causes:CIS defective
• Remedy:Replace the CIS unit (CIS and CIPB).

• Code: SC188-00
• Description:CIS White Level Error • The shading data peak value read out from the CIS is abnormal. Details: • Occurs when abnormality is detected in the process of CIS shading data peak detection. • The first and second consecutive occurrences constitute initial jams. The third occurrence constitutes an SC.
• Causes:• CIS defective • CIS background white roller is scratched, dirt, or improperly connected.
• Remedy:• Reconnect the power/signal harness. • Replace the CIS unit (CIS and CIPB). • Replace the CIS background white roller. • Replace the power/signal harness.

• Code: SC189-00
• Description:CIS Gray Balance Adjustment Error The difference between gray balance adjustment target value and the value scanned from the GS20 chart was out of specification upon execution of gray balance adjustment confirmation (SP4-705-002). Details: • Occurs when gray balance adjustment fails. • The first occurrence constitutes an SC (not an initial jam).
• Causes:• CIS defective • The GS20 chart is scratched or deteriorated due to dirty.
• Remedy:• Replace the GS20 chart. • Replace the CIS unit.

• Code: SC195-00
• Description:Machine serial number error Comparison of the product identification code in the machine serial number (11 digits).
• Causes:The product identification code in the machine serial number (11 digits) does not match.
• Remedy:Re-enter the machine serial number.

• Code: SC202-00
• Description:Polygon Motor: ON Timeout Error After the polygon motor turned on, or within T1 sec. after the rpm’s changed, the motor did not enter READY status.
• Causes:• The interface harness to the polygon motor driver damaged or not connected correctly. • Polygon motor or polygon motor driver defective • Polygon motor drive pulse cannot be output correctly. (Polygon controller) • XSCRDY signal observation failing (Polygon controller)
• Remedy:• Turn the power off/on • Replace the laser unit or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC203-00
• Description:Polygon Motor: OFF Timeout Error The XSCRDY signal (polygon ready) never becomes inactive (H) within 3 sec. after the polygon motor went OFF.
• Causes:• The interface harness to the polygon motor driver damaged or not connected correctly. • Polygon motor or polygon motor driver defective • Polygon motor drive pulse cannot be output correctly. (Polygon controller) • XSCRDY signal observation failing (Polygon controller)
• Remedy:• Turn the power off/on • Replace the laser unit or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC204-00
• Description:Polygon Motor: XSCRDY Signal Error During polygon motor rotation, the XSCRDY signal was inactive (H) for longer than one rotation of the polygon.
• Causes:• The interface harness to the polygon motor driver damaged or not connected correctly. • Polygon motor or polygon motor driver defective
• Remedy:• Turn the power off/on • Replace the laser unit or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC220-00
• Description:Laser synchronization detection error: LD0 The laser synchronizing detection signal for the start position of the LD was not output for 500 msec. after LDB unit turned on with the polygon motor rotating normally.
• Causes:• The interface harness to the synchronization detection unit damaged or not connected correctly. • Synchronization detection board defective • Beam does not enter photo detector. • Abnormality around GAVD • IDB (LED driver) defective • LDB defective • IPU defective
• Remedy:• Turn the power off/on • Replace the laser unit or polygon motor • Replace the polygon harness • Replace the IPU board

• Code: SC302-00
• Description:High Voltage Power Source: Charge: Output Error The machine detects the error detection signal “L (unexpected)” 10 times for 200 msec consecutively when monitoring the error signal every 20 msec during outputting the PWM signal.
• Causes:Hardware error • Input / Output connector is disconnected. • Input / Output harness is short-circuited. • Surface/air clearance insufficient (arc discharge) • BCU error (signal error) • HVPS defective Load error • Grounding fault of charging output, short-circuit with other outputs • Surface/air clearance insufficient in charging output path (including distance from other outputs) • Unexpected deterioration of drum and over current due to pinholes gap error between the drum and charge roller (PCU error). • Over current due to drum surface condensation • PCU is disconnected.
• Remedy:• Cycle the main power off/on. • Replace the high HVPS. • Replace the harness of the HVPS. • Replace the harness of the PCU. • Replace the PCU.

• Code: SC324-01
• Description:Development Motor: Bk: Lock Lock signals are observed at 2 sec intervals during motor ON, and a High level is detected at least 20 times
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective • Unit torque increased
• Remedy:• Replace the development motor. • Reconnect the connector. • Replace the harness. • Replace the IOB. • Replace the development unit. • Replace the driven unit.

• Code: SC360-01
• Description:TD Sensor Adjustment Error • When Mu count exceeds the judgment threshold of no developer status. • When Mu count does not satisfy the following target ranges for 3 times in a row. • Upper threshold • Lower threshold
• Causes:• TD sensor defective • Loose connection • Harness broken • Developer toner density differs from initial developer
• Remedy:• Replace the TD sensor. • Replace the development unit.

• Code: SC361-01
• Description:TD Sensor Output Error: Upper Limit (K) The following condition continuously exceeds the upper limit threshold value (SP3-211-003). • TD sensor output: Vt (SP3-210-001) > output upper limit error threshold (SP3-211-002)
• Causes:• TD sensor connector dropout (connection fault)
• Remedy:• Check if the TD sensor connector is connected. • Check the harness of the TD sensor (disconnection, etc.). • Replace the TD sensor.

• Code: SC501-02
• Description:1st Tray Lowering Error The machine detects the error of the 1st tray lift motor 5 times consecutively when the 1st tray is lowered. (The message of resetting the tray is displayed when the machine detects the error consecutively 4 times or less.)
• Causes:• 1st tray limit sensor connector disconnection, malfunction or sensor's dirt. • 1st tray lift motor connector disconnection, malfunction • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor. • Paper set fault • Paper overload
• Remedy:• Reset the paper. • Remove the foreign matter. 1st tray limit sensor, 1st tray lift motor • Check the harness. • Reset the connector. • Replacement 1st paper feed unit, 1st tray • Replacement Paper transport IOB • Replacement

• Code: SC502-01
• Description:2nd Tray Lift Error The machine detects the error of the 2nd tray lift motor 3 times consecutively when the 2nd tray is lifted.. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
• Causes:• 2nd tray limit sensor connector disconnection, malfunction, dirt • 2nd tray lift motor connector disconnection, malfunction • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault
• Remedy:• Reset the paper. • Remove the foreign matter. 2nd tray limit sensor, 2nd tray lift motor • Check the harness. • Reset the connector. • Replacement 2nd paper feed unit, 2nd tray • Replacement Paper transport IOB • Replacement

• Code: SC502-02
• Description:2nd Tray Lowering Error The machine detects the error of the 2nd tray lift motor 5 times consecutively when the 2nd tray is lowered. (The message of resetting the tray is displayed when the machine detects the error consecutively 4 times or less.)
• Causes:• The 2nd paper feed tray limit sensor connector disconnection, malfunction, and dirt • 2nd tray lift motor connector disconnection, malfunction • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault • Paper overload
• Remedy:• Reset the paper. • Remove the foreign matter. 2nd tray limit sensor, 2nd tray lift motor • Check the harness. • Reset the connector. • Replacement 2nd paper feed unit, 2nd tray • Replacement Paper transport IOB • Replacement

• Code: SC503-01
• Description:3rd Tray Lift Error (D694) The machine detects the lift error of the tray lift motor for the PFU (D694) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
• Causes:• Tray lift motor connector disconnected • Limit sensor harness disconnected or broken • Control board defective • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault
• Remedy:• Reset the paper. • Remove the foreign matter. • Replace the tray lift motor. • Reset the connector. • Replace the harness. • Replace the limit sensor. • Replace the control board for the optional PFU (D694). • Replace the tray. • Replace the paper feed roller. • Replace the pick-up arm.

• Code: SC503-02
• Description:3rd Tray Lowering Error (D694) The machine detects the lowering error of the tray lift motor for the PFU (D694) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
• Causes:• Tray lift motor connector disconnected • Limit sensor harness disconnected or broken • Control board defective • Paper overload • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault
• Remedy:• Reset the paper. • Remove the foreign matter. • Replace the tray lift motor. • Reset the connector. • Replace the harness. • Replace the limit sensor. • Replace the control board for the optional PFU (D694). • Replace the tray. • Replace the paper feed roller. • Replace the pick-up arm.

• Code: SC503-11
• Description:3rd Tray Lift Error (D787) The machine detects the lift error of the tray lift motor for the PFU (D787) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
• Causes:• Tray lift motor connector disconnected • Limit sensor harness disconnected or broken • Control board defective • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault
• Remedy:• Reset the paper. • Remove the foreign matter. • Replace the tray lift motor. • Reset the connector. • Replace the harness. • Replace the limit sensor. • Replace the control board for the optional PFU (D787). • Replace the tray. • Replace the paper feed roller. • Replace the pick-up arm.

• Code: SC503-12
• Description:3rd Tray Lowering Error (D787) The machine detects the lowering error of the tray lift motor for the PFU (D787) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error 2 times consecutively.)
• Causes:• Tray lift motor connector disconnected • Limit sensor harness disconnected or broken • Control board defective • Paper overload • Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor • Paper set fault
• Remedy:• Reset the paper. • Remove the foreign matter. • Replace the tray lift motor. • Reset the connector. • Replace the harness. • Replace the limit sensor. • Replace the control board for the optional PFU (D787). • Replace the tray. • Replace the paper feed roller. • Replace the pick-up arm.

• Code: SC503-31
• Description:3rd Tray Lift Error (LCIT: D695) • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization. • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
• Causes:• Tray lift motor connector disconnected • Limit sensor harness disconnected or broken • Control board defective • Foreign matter, such as paper scrap, is caught between the right tray and the tray lift motor. • Paper set fault • Timing belt damage or dropout • Timing pulley damage or dropout • Base plate damaged or plate horizontality fault • Paper feed roller missing • Pickup arm damage • Foreign matter, such as paper scrap, is caught inside the right tray.
• Remedy:• Reset the paper. • Remove the foreign matter. • Replace the tray lift motor. • Reset the connector. • Replace the harness. • Replace the limit sensor. • Replace the control board for the optional LCIT (D695). • Replace the tray. • Replace the paper feed roller. • Replace the pick-up arm. • Replace the timing belt. • Replace the timing pulley. • Replace the base plate.

• Code: SC503-32
• Description:3rd Tray Lowering Error (LCIT: D695) • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lowered at the machine’s initialization. • The machine detects the lift error of the tray lift motor for the LCIT (D695) 3 times consecutively when the 3rd tray is lifted at the machine’s initialization. (The message of resetting the tray is displayed when the machine detects the error consecutively 2 times or less.)
• Causes:• Tray lift motor connector disconnected • Lower limit sensor harness disconnected or broken • Control board defective • Foreign matter, such as paper scrap, is caught between the right tray and the tray lift motor. • Paper set fault • Timing belt damage or dropout • Timing pulley damage or dropout • Base plate damaged or plate horizontality fault • Foreign matter, such as paper scrap, is caught inside the right tray.
• Remedy:• Reset the paper. • Remove the foreign matter. • Replace the tray lift motor. • Reset the connector. • Replace the harness. • Replace the lower limit sensor. • Replace the control board for the LCIT (D695). • Replace the tray. • Replace the timing belt. • Replace the timing pulley. • Replace the base plate.

• Code: SC503-33
• Description:3rd Tray Paper Overload Error (LCIT: D695) Both of the upper limit and lower limit detects the base plate 3 times consecutively at the machine’s initialization. (The message of resetting the tray is displayed when the both sensors detect the error consecutively 2 times or less.)
• Causes:• Paper overload • Paper set fault • Limit sensor harness disconnected or broken • Lower limit sensor harness disconnected or broken • Control board defective • Foreign matter, such as paper scrap, is caught inside the right tray.
• Remedy:• Reset the paper. • Remove the foreign matter. • Reset the connector. • Replace the harness. • Replace the limit sensor. • Replace the lower limit sensor. • Replace the control board for the LCIT (D695).

• Code: SC531-00
• Description:Development Bearing Cooling Fan Lock. In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective
• Remedy:• Replace the development bearing cooling fan • Reset the connector. • Replace the harness. • Replace the IOB.

• Code: SC533-00
• Description:PSU Cooling Fan Lock. In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective
• Remedy:• Replace the development bearing cooling fan. • Reset the connector. • Replace the harness. • Replace the IOB.

• Code: SC533-01
• Description:Development Bearing Cooling Fan In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective
• Remedy:• Replace the development bearing cooling fan. • Reset the connector. • Replace the harness. • Replace the IOB.

• Code: SC534-00
• Description:Development Exhaust Fan. In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective
• Remedy:• Replace the development exhaust fan. • Reset the connector. • Replace the harness. • Replace the IOB.

• Code: SC535-00
• Description:Paper Exit Cooling Fan Lock In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective
• Remedy:• Replace the paper exit cooling fan. • Reset the connector. • Replace the harness. • Replace the IOB.

• Code: SC540-00
• Description:Fusing/paper Exit Motor: Lock During motor ON, after checking lock signals for 2sec, a High level was detected at least 20 times.
• Causes:• Motor defective • Connector disconnected • Harness broken • IOB defective • Unit torque increased
• Remedy:• Replace the fusing/paper exit motor. • Reset the connector. • Replace the harness. • Replace the IOB.

• Code: SC541-01
• Description:Fusing Central Thermopile Disconnection Below a predetermined temperature (or below CB) is detected for specified seconds continuously. Detection frequency: 10 times or more.
• Causes:• Disconnection • Connector disconnected
• Remedy:• Replace the thermopile. • Reset the connector. • Replace the connector.

• Code: SC541-02
• Description:Central NC Sensor Disconnection 3ED - 3FF (FB voltage: 3.243V-3.300V) is detected for specified seconds continuously (NC sensor center: detection & compensation NC sensor edge: detection & compensation). Detection period: 100 ms, detection frequency: 10 times or more.
• Causes:• NC sensor disconnection • Connector disconnected
• Remedy:• Reset the NC sensor. • Reset the connector. • Replace the connector.

• Code: SC541-03
• Description:Central NC Sensor Short-circuit AD value: 0-13 (FB voltage: 0.000V-0.041V) is detected for specified seconds continuously. Detection period: 100 ms, detection frequency: 10 times or more.
• Causes:• NC short-circuit • Connector disconnected
• Remedy:• Reset the NC sensor. • Reset the connector. • Replace the connector.

• Code: SC542-02
• Description:Fusing Central Thermopile Does Not Reload When the fusing central thermopile does not reach a predetermined temperature for 7 seconds consecutively.
• Causes:• Thermopile lens dirt • Thermopile modification/float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Check that the input voltage is within acceptable limits.

• Code: SC542-03
• Description:Fusing Central Thermopile Does Not Reload When the fusing central thermopile does not reach the permission temperature of heat central reloading for specified seconds continuously.
• Causes:• Thermopile lens dirt • Thermopile modification/float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Check that the input voltage is within acceptable limits.

• Code: SC542-05
• Description:Fusing Central Thermopile Does Not Reload (Low Voltage) When the fusing central thermopile does not reach a predetermined temperature for 7 seconds consecutively.
• Causes:• Thermopile lens dirt • Thermopile modification/float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Check that the input voltage is within acceptable limits.

• Code: SC542-06
• Description:Fusing Central Thermopile Does Not Reload (Low Voltage) When the fusing central thermopile does not reach the permission temperature of heat central reloading for specified seconds continuously.
• Causes:• Thermopile lens dirt • Thermopile modification/float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Check that the input voltage is within acceptable limits.

• Code: SC543-00
• Description:Fusing Central Thermopile High Temperature Detection (Software) When the fusing central thermopile detects a predetermined temperature or above for specified seconds consecutively. Detection period 100ms, detection count: 10 times or more.
• Causes:• Triac short-circuit • IOB board defective • BCU board defective
• Remedy:• Replace the IOB board. • Replace the BCU board. • Replace the fusing unit. SC Tables: SC5xx (Paper Feed and Fusing)

• Code: SC544-01
• Description:Fusing High Temperature Detection (hardware) (Central Thermopile High Temperature Error) In the event of an error
• Causes:• Triac defective (short-circuit) • Engine controller defective • Heating central thermopile defective • Fusing control software: out of control
• Remedy:• If the triac is defective, replace the AC power supply board. • If necessary, replace the BCU or the heating central thermopile.

• Code: SC544-02
• Description:Fusing High Temperature Detection (hardware) (Non-Contact thermistor High Temperature Error) In the event of an error
• Causes:• Triac defective (short-circuit) • Engine controller defective • Heating central thermopile defective • Fusing control software: out of control
• Remedy:• Attach the new fusing unit, then run SP-5-810-002. • If the triac is defective, replace the AC power supply board. • If necessary, replace the BCU or the Fusing central NC sensor.

• Code: SC545-01
• Description:Fusing Central Heater Continuously Heat After waiting for full power for more than specified seconds continuously, not detected for specified seconds. • Definition of heater full power Continuously heating rate set point (maximum heating rate) • Measurement start point After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued. • Measurement stop condition Rotation started due to a print signal during measurement or other. • Maximum heat-up Duty (SP interlinked value) 0% is excluded.
• Causes:• Thermistor deformation/float • Heater disconnection • After excessive temperature rise prevention unit operates
• Remedy:• Replace the thermistor. • Replace the fusing lamp. • Replace the fusing unit.

• Code: SC545-05
• Description:Fusing Central Heater Continuously Heat (Low Voltage)
• Causes:Low Voltage
• Remedy:

• Code: SC547-01
• Description:Zero cross Error (relay-contact soldering) In the event of an error
• Causes:• Fusing relay defective (contact soldering) • Fusing relay drive circuit fault
• Remedy:• Turn the main power supply switch OFF/ON • If the fusing relay is damaged, replace the PSU. • Check the connection between PSU and control board, and replace harness and board if necessary.

• Code: SC547-02
• Description:Zero cross Error (relay contact fault) In the event of an error
• Causes:• Fusing relay damage (contact open) • Fusing relay drive circuit fault • PSU fuse (24VS) blowout
• Remedy:• Turn the main power supply switch OFF/ON. • If the fusing relay is damaged, replace the PSU. • Check the connection between PSU and control board, and replace harness and board if necessary. • If the PSU fuse (24VS) blows out, replace the fuse.

• Code: SC547-03
• Description:Zero cross Error (low-frequency error) In the event of an error
• Causes:Frequency instability of commercial power line
• Remedy:• Turn the main power supply switch OFF/ON. • Check the power source. • Check the connection between PSU and control board, and replace harness and board if necessary.

• Code: SC551-01
• Description:Fusing Edge Thermopile Disconnection When the fusing edge thermopile detects a predetermined temperature or less for specified seconds consecutively.
• Causes:• Thermopile disconnection • Connector disconnected
• Remedy:• Replace the thermopile. • Reset the connector. • Replace the connector. • Replace the fusing unit.

• Code: SC551-02
• Description:Edge NC Sensor Disconnection 3ED - 3FF (FB voltage: 3.243V-3.300V) is detected for specified seconds continuously (NC sensor center: detection & compensation NC sensor edge: detection & compensation). Detection period: 100 ms, detection frequency: 10 times or more.
• Causes:• NC sensor disconnection • Connector disconnected
• Remedy:• Replace the NC sensor. • Reset the connector. • Replace the connector. • Replace the fusing unit.

• Code: SC551-03
• Description:Edge NC Sensor Short-circuit AD value: 0-13 (FB voltage: 0.000V-0.041V) is detected for specified seconds continuously. Detection period: 100 ms, detection frequency: 10 times or more.
• Causes:• NC sensor short-circuit • Connector disconnected
• Remedy:• Replace the NC sensor. • Reset the connector. • Replace the connector. • Replace the fusing unit.

• Code: SC552-02
• Description:Fusing Edge Thermopile Does Not Reload When the fusing edge thermopile does not reach a predetermined temperature for specified seconds consecutively.
• Causes:• Thermopile lens dirt • Thermopile modification, float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Make sure that the input voltage is within acceptable limits. • Replace the fusing unit.

• Code: SC552-03
• Description:Fusing Edge Thermopile Does Not Reload Heating edge reload permission temperature not reached after heater 1 ON for specified seconds.
• Causes:• Thermopile lens dirt • Thermopile modification, float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Make sure that the input voltage is within acceptable limits. • Replace the fusing unit.

• Code: SC552-05
• Description:Fusing Edge Thermopile Does Not Reload (Low Voltage) When the fusing edge thermopile does not reach a predetermined temperature for specified seconds consecutively.
• Causes:• Thermopile lens dirt • Thermopile modification, float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Make sure that the input voltage is within acceptable limits. • Replace the fusing unit.

• Code: SC552-06
• Description:Fusing Edge Thermopile Does Not Reload (Low Voltage) When the fusing edge thermopile does not reach the permission temperature of heat edge reloading for specified seconds continuously.
• Causes:• Thermopile lens dirt • Thermopile modification, float • Outside input voltage guarantee • After excessive temperature rise prevention unit operation
• Remedy:• Replace the thermopile. • Make sure that the input voltage is within acceptable limits. • Replace the fusing unit.

• Code: SC553-00
• Description:Fusing End Thermopile High Temperature Detection (software) Above a predetermined temperature detected for specified seconds continuously. Detection period: 100ms, detection count: 10 times or more.
• Causes:• Triac short-circuit • IOB defective • BCU defective
• Remedy:• Replace the IOB. • Replace the BCU. • Replace the fusing unit.

• Code: SC554-01
• Description:Fusing End Thermopile High Temperature Detection (hardware) In the event of an error
• Causes:• Triac defective (short-circuit) • Engine controller defective • Heating edge thermopile defective • Fusing control software: out of control
• Remedy:• If the triac is defective, replace the AC power supply board. • If necessary, replace the BCU or heating edge thermopile.

• Code: SC554-02
• Description:Fusing End NC Sensor High Temperature Detection (hardware) In the event of an error
• Causes:• Triac defective (short-circuit) • Engine controller defective • Heating edge thermopile defective • Fusing control software: out of control
• Remedy:• Attach the new fusing unit, then run SP-5-810-002. • If necessary, replace the BCU or Fusing edge NC sensor.

• Code: SC555-01
• Description:Fusing Edge Heater Continuously Heat. After waiting for full power for more than specified seconds continuously, not detected for specified seconds. • Definition of heater full power Continuously heating rate set point (maximum heating rate) • Measurement start point After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued. • Measurement stop condition Rotation started due to a print signal during measurement or other • Maximum heat-up Duty (SP interlinked value) 0% is excluded
• Causes:• Thermistor deformation/float • Heater disconnection • After excess temperature rise prevention unit operation
• Remedy:• Replace the thermistor. • Replace the fusing lamp. • Replace the fusing unit.

• Code: SC555-05
• Description:Fusing Edge Heater Continuously Heat (Low Voltage). After waiting for full power for more than specified seconds continuously, not detected for specified seconds. • Definition of heater full power Continuously heating rate set point (maximum heating rate) • Measurement start point After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued. • Measurement stop condition Rotation started due to a print signal during measurement or other • Maximum heat-up Duty (SP interlinked value) 0% is excluded
• Causes:• Thermistor deformation/float • Heater disconnection • After excess temperature rise prevention unit operation
• Remedy:• Replace the thermistor. • Replace the fusing lamp. • Replace the fusing unit.

• Code: SC557-00
• Description:Zero Cross Frequency Exceeded In the event of an error
• Causes:Frequency instability of commercial power line/Noise
• Remedy:

• Code: SC559-00
• Description:Fusing Jam Detected for 3 Times Consecutively Fusing jam (does not reach fusing exit sensor) is detected for 3 times consecutively. • Detection conditions Displays the SC559-00 at the time of integrating the counter each time fusing jam occurs, became fusing jam counter value = 3. The counter value is retained without fusing jam also reset by OFF/ON the power supply. • Control ON/OFF And enables ON / OFF is this SC, the default is set to OFF, then ON at the time of customer requirements. SP1-142-001 0: OFF (default), 1: ON (Set at the time of customer requirements) • Counter reset condition occurs fusing jam 1. Normal paper exit has been done during this continuous fusing jam, fusing jam counter is reset. 2. When "1" is changed to "0" SP1-142-001, to reset the (SP9-912-001) fusing jam counter. 3. When after displaying SC559, SC release is made, reset the (SP9912-001) fusing jam counter.
• Causes:Fusing unit paper jam
• Remedy:Remove the jam.