SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC540-00

A

Fusing Drive Motor: Lock

The IOB detects the fusing drive motor lock error (rotation speed out of specification).

Vodka assignment: GPIO26DATA[1]

Details:

When the fusing drive motor is on, each lock signal is checked every 100 milliseconds. If the High status is detected 20 times consecutively, the machine determines that the fusing drive motor is not running correctly. The machine issues an SC and stops the fusing drive motor.

  • Fusing drive motor defective

  • Connecter disconnected

  • Harness broken

  • IOB defective

  • Unit torque increased.

  • Replace the fusing drive motor.

  • Reconnect the connector.

  • Replace the harness.

  • Replace the IOB.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC541-00

A

Sensor 1: Heating Roller Center Disconnection

0 degrees or lower was detected for (t11) seconds consecutively.

NA: t11= 30

EU/AP/CHN: t11= 20

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

  • Thermopile (heating roller) disconnection

  • Connecter contact failure

  • Replace the thermopile (heating roller).

  • Reconnect the connector.

  • Replace the connector.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC542-02

A

Sensor 1: Pressure Roller Center: Reload Failure: Timeout 1

Failed to reach (T2) degrees centigrade after (t4) seconds from the start of heater control.

MP C6503 SP (NA): T2= 113, t4= 59

MP C6503 SP (EU/AP/CHN): T2= 119, t4= 59

MP C8003 SP (NA): T2= 121, t4= 59

MP C8003 SP (EU/AP/CHN): T2= 119, t4= 59

Pro C5200S/Pro C5210S: T2= 139, t4 = 59

Monitored at: Startup (Power-on, when a cover is closed, when fusing heater is under control)

  • Thermopile (heating roller) lens smudged

  • Input voltage out of specification

  • Replace the thermopile (heating roller).

  • Use with supported input voltage

  • Replace the IH coil unit/IH inverter.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC542-03

A

Sensor 1: Heating Roller Center: Reload Failure: Timeout 2

Failed to reach reload temperature after (t23) seconds from reaching (T2) degrees of SC542-02.

MP C6503 SP (NA): T2= 113, t23= 50

MP C6503 SP (EU/AP/CHN): T2= 119, t23= 40

MP C8003 SP (NA): T2= 34, t23= 34

MP C8003 SP (EU/AP/CHN): T2= 119, t23= 40

Pro C5200S/Pro C5210S: T2= 139, t23 = 18

Monitored at: Startup (Power-on, when a cover is closed, when fusing heater is under control)

  • IH malfunctioning

  • Overheating prevention device worked.

  • Replace the thermopile (heating roller).

  • Use with supported input voltage

  • Replace the IH coil unit/IH inverter.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC543-00

A

Sensor 1: Heating Roller Center: Overheat detection (software)

250 degrees centigrade or higher was detected for 1 second consecutively.

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

  • Triac shorted.

  • IOB defective.

  • Replace the IOB.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC544-00

A

Heating Roller Center: Overheat detection (hardware)

Hardware detection of overheat condition.

The thermopile (heating roller) was detected as the cause.

  • IOB defective

  • Fusing control software running out of control

  • Thermopile (heating roller) defective

  • IH inverter supplied continuously (software error or thermopile (heating roller) malfunctioning)

  1. Check the SC history (SP: 7-403-xxx), and check whether multiple SCs occurred at the same time.
    • SCs occurred at the same time: Refer to the other SCs solution procedures.
    • SC did not occur at the same time: Go to step 2.
  2. Check the thermopile (heating roller) value (SP: 1-106-001) to check the heater temperature.
    • 250 degrees and more: Go to step 3.
    • Less than 250 degrees: Go to step 5.
  3. Replace the IOB
  4. Replace the thermopile (heating roller).
  5. Replace the fusing unit.
  6. Replace the IOB.
  7. Replace the IH inverter.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-01

D

Zero Cross Error (Relay contact welded)

When this error occurs, machine stops with fusing relay off and displays the SC.

  • Fusing relay defective (contact welded)

  • Fusing relay drive circuit defective

  • Turn the main power off/on.

  • If the fusing relay is damaged, replace the AC control board.

  • Check the connection between the AC control board and the IOB, and then replace the harness and/or circuit board if necessary.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-02

D

Zero Cross Error (Relay contact defective)

When this error occurs, the fusing heater trigger turns off and then, after a specified time, machine stops with fusing relay off and displays the SC.

  • Fusing relay defective (contact welded)

  • Fusing relay drive circuit defective

  • Turn the main power off/on.

  • If the fusing relay is damaged, replace the AC control board.

  • Check the connection between the AC control board and the IOB, and then replace the harness and/or circuit board if necessary.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-03

D

Zero Cross Error (low frequency error)

When this error occurs, the fusing heater trigger turns off and then, after a specified time, machine stops with fusing relay off and displays the SC.

  • Unstable commercial power supply frequency

  • Turn the main power off/on.

  • If the fusing relay is damaged, replace the AC control board.

  • Check the connection between the AC control board and the IOB, and then replace the harness and/or circuit board if necessary.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-04DAC drive board: Not connected
After the interlock door is fixed to close, AC drive board: connection detecting signal (CNCON) is not detected.
  • Poor connection of the AC drive board connector
  • Poor connection of the IOB connector
  • Harness broken between the AC drive board and the IOB
  • Poor connection detecting circuit of the AC drive board on the IOB
  • Turn the main power off/on.
  • Reconnect the harness (check the connection of CN403 on the AC drive board to CN218 on the IOB).
  • Replace the AC drive board.
  • Replace the IOB.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-11DFusing relay contact welded (resulting from zero cross 2)
After the interlock door is fixed to close, the zero cross 2 signal is detected before turning ON the fusing relay.

  • Fusing relay defective (contact welded)

  • Fusing relay drive circuit defective

  • Turn the main power off/on.
  • Reconnect the harness (check the connection of CN403 on the AC drive board to CN218 on the IOB).
  • Replace the IOB.
  • Replace the PSU2.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-12DFusing relay contact defective (resulting from zero cross 2)
After fusing relay is ON, the zero cross 2 signal is not detected.
  • Fusing relay broken (contact open)
  • Fusing relay drive circuit defective
  • Harness broken between the AC drive board and the IOB
  • Fuse (FU102) on the AC drive board broken
  • Turn the main power off/on.
  • Reconnect the harness (check the connection of CN403 on the AC drive board to CN218 on the IOB).
  • Replace the AC drive board.
  • Replace the IOB.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC548-00

A

Fusing rotation detection

Blocking/non-blocking signal of the heating roller rotation sensor was not received within specified time.

  • The feeler for heating roller rotation detection deformed or broken.

  • Fusing drive motor defective

  • Heating roller rotation sensor defective

  • IOB defective

  • Check the SC history (SP7-403-xxx).

  • Check Input (SP: 5-803-024)
  • Check the coupling.
  • Replace the feeler for heating roller rotation detection.
  • Replace the fusing roller rotation sensor.
  • Replace the IOB.
  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC550-01

D

Fusing belt smoothing roller drive motor: Lock

The IOB detects the fusing belt smoothing drive motor lock error (rotation speed out of specification).

Vodka assignment: GPIO28DATA[7]

Details:

When the fusing belt smoothing drive motor is on, each lock signal is checked every 100 milliseconds. If the High status is detected 20 times consecutively, the machine determines that the motor is not running correctly. The machine issues an SC and stops the motor.

  • Fusing belt smoothing drive motor defective

  • Connecter disconnected

  • Harness broken

  • IOB defective

  • Unit torque increased.

  • Replace the fusing belt smoothing drive motor.

  • Reconnect the connector.

  • Replace the harness.

  • Replace the IOB.

  • Replace the fusing drive motor.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC551-00

A

Sensor 4: Pressure Roller Center Disconnection

0 degrees or lower was detected for (t14) seconds consecutively.

MP C6503 SP (NA): t14= 45

MP C6503 SP (EU/AP/CHN): t14= 35

MP C8003 SP: t14= 35

Pro C5200S/Pro C5210S: t14 = 80

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

  • Thermistor (pressure roller) disconnection

  • Connecter contact failure

  • Replace the thermopile (pressure roller).

  • Reconnect the connector.

  • Replace the connector.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC552-02

A

Sensor 4: Heating Roller Center: Reload Failure: Timeout 1

Failed to reach (T24) degrees centigrade after (t25) seconds from the start of heater control.

MP C6503 SP (NA): T24= 81, t25= 48

MP C6503 SP (EU/AP/CHN): T24= 96, t25= 48

MP C8003 SP (NA): T24= 98, t25= 48

MP C8003 SP (EU/AP/CHN): T24= 96, t25= 48

Pro C5200S/Pro C5210S: T24= 46, t25= 63

Monitored at: Startup (Power-on, when a cover is closed, when fusing heater is under control)

  • Thermistor (heating roller) deformed or floating

  • Input voltage out of specification

  • Replace the thermopile (heating roller).

  • Use with supported input voltage

  • Replace the pressure roller fusing lamp.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC552-03

A

Sensor 4: Heating Roller Center: Reload Failure: Timeout 2

Failed to reach reload temperature after (t26) seconds from reaching (T24) degrees of SC552-02.

MP C6503 SP (NA): T24= 81, t26= 16

MP C6503 SP (EU/AP/CHN): T24= 96, t26= 10

MP C8003 SP (NA): T24= 98, t26= 10

MP C8003 SP (EU/AP/CHN): T24= 96, t26= 10

Pro C5200S/Pro C5210S: T24= 46, t26= 80

Monitored at: Startup (Power-on, when a cover is closed, when fusing heater is under control)

  • Pressure roller fusing lamp malfunctioning

  • Overheating prevention device worked.

  • Replace the thermopile (heating roller).

  • Use with supported input voltage

  • Replace the pressure roller fusing lamp.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC553-00

A

Sensor 4: Pressure Roller Center: Overheat detection (software)

220 degrees centigrade or higher was detected for 1 second consecutively.

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

  • Triac shorted.

  • IOB defective.

  • Replace the IOB.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC554-00

A

Pressure Roller Center: Overheat detection (hardware)

Hardware detection of overheat condition.

The pressure roller center thermopile was detected as the cause.

  • IOB defective

  • Fusing control software running out of control

  • Triac damaged (shorted).

  • Thermopile (pressure roller) defective

  1. Check the SC history (SP: 7-403-xxx), and check whether multiple SCs occurred at the same time.
    • SCs occurred at the same time: Refer to the other SCs solution procedures.
    • SC did not occur at the same time: Go to step 2.
  2. Check the thermostat (heating roller) value (SP: 1-106-004) to check the heater temperature.
    • 230 degrees and more: Go to step 3.
    • Less than 230 degrees: Go to step 5.
  3. Replace the IOB
  4. Replace the thermopile (heating roller).
  5. Replace the fusing unit.
  6. Replace the IOB.
  7. Replace the AC drive board.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC555-00

A

Heater 2: Heater Continuously On (Sensor 4: Thermopile: Pressure Roller)

The machine wait 25 seconds after the condition ([A] and [B]) is satisfied. After the 25 seconds is passed, the machine repeat the followings.

1. Wait for 20 seconds (detection time).

2. If the temperature difference between when the machine start waiting detection time and when the detection time is passed is 6 degree or lower, SC is issued.

However, If [C] is satisfied, the SC is not issued until the condition ([A] and [B]) is satisfied again.

Monitor interval [A]: Standby/Low power mode

Monitor start trigger[B]: When the pressure roller fusing lamp is ON and the fusing drive is stop rotating

Monitor end trigger [C]: When the pressure roller fusing lamp is OFF and the fusing drive is rotating

  • Thermopile detection error

  • Pressure roller fusing lamp disconnection

  • Overheating prevention device worked.

  • Replace the thermopile (pressure roller).

  • Replace the pressure roller fusing lamp.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC559-00

A

Fusing jam: 3 counts

Fusing jam (fusing paper feed sensor late jam) was detected 3 times consecutively.

Details:

This SC can be set ON/OFF. The factory setting is OFF; set it ON when requested by the customer.

SP1-142-001:

0: ON (set by service personnel at the request of customer)

1: OFF (factory setting)

Conditions of the fusing jam counter reset:

  • When paper is output successfully during consecutive fusing jam, the jam counter is reset.

  • When SP1-142-001 is changed to "0" from "1", the jam counter is reset.
  • When SC559 is issued and release the SC, the jam counter is reset.

  • Paper jam in the fusing unit

  • Fusing paper feed sensor defective

-

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC560-00

D

Cleaning web unit contact error

Contact/separation control failed 3 times consecutively.

Monitored when contact/separation mechanism is operating.

  • Cleaning web contact motor defective/cleaning web contact sensor defective

  • Feeler deformed or damaged

  • Contact/separation mechanism defective

  • Replace the cleaning web contact motor.

  • Replace the cleaning web contact sensor.

  • Replace the feeler.

  • Replace the cleaning web unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC561-00

A

Sensor 2: Heating Roller Front Disconnection

0 degrees or lower was detected for 50 seconds consecutively.

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

  • Thermistor disconnection

  • Connecter contact failure

  • Replace the thermistor.

  • Reconnect the connector.

  • Replace the connector.

  • Replace the connector.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC562-02

A

Sensor 2: Heating Roller Front: Reload Failure: Timeout 1

Failed to reach 45 degrees centigrade after 80 seconds from the start of heater control.

Monitored at: Startup (Power-on, when a cover is closed, when fuser heater is under control)

  • Thermopile lens smudged

  • Thermistor deformed or floating

  • Input voltage out of specification

  • Replace the thermopile.

  • Use with supported input voltage

  • Replace the IH coil unit/IH inverter.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC562-03

A

Sensor 2: Heating Roller Front: Reload Failure: Timeout 2

Failed to reach reload temperature after 350 seconds from the start of heater control.

Monitored at: Startup (Power-on, when a cover is closed, when fuser heater is under control)

  • IH malfunctioning

  • Overheating prevention device worked.

  • Replace the thermopile.

  • Use with supported input voltage

  • Replace the IH coil unit/IH inverter.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC563-00

A

Sensor 2: Heating Roller Front: Overheat detection (software)

250 degrees centigrade or higher was detected for 1 second consecutively.

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

  • Triac shorted.

  • IOB defective.

  • Replace the IOB.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC564-00

A

Heating Roller Front: Overheat detection (hardware)

Hardware detection of overheat condition.

The heating roller front thermistor was detected as the cause.

  • IOB defective

  • Fusing control software running out of control

  • Thermistor (heating roller) defective

  • IH inverter supplied continuously (software error or thermistor (heating roller) malfunctioning

  • After removing the cause of the SC, Set "Fusing SC Clear" in the SP mode.

  • If necessary, replace: IOB/thermistor (heating roller)/IH coil unit/IH inverter.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC569-02

D

Pressure Release Error: HP failed 3 times

Pressure release/Home position/control failed 3 times consecutively.

Monitored when the pressure release mechanism is operating.

Pressure Change: SP1-151-001 1:On/0: Off

When this SP is set to OFF, SC detection is disabled.

  • Pressure release motor, pressure roller sensor (rear) defective

  • Feeler deformed or damaged

  • Pressure release mechanism defective

  • Replace the pressure release motor.

  • Replace the pressure roller sensor (rear).

  • Replace the feeler.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC569-03

D

Pressure Release Error: Overrun

When sensor A shows Low and Sensor B shows High.

Except when home position is detected.

Monitored when the pressure release mechanism is operating.

Pressure Change: SP1-151-001 1:On/0: Off

When this SP is set to OFF, SC detection is disabled.

  • Pressure release motor, pressure roller sensor defective

  • Feeler deformed or damaged

  • Pressure release mechanism defective

  • Replace the pressure release motor.

  • Replace the pressure roller sensor.

  • Replace the feeler.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC569-04

D

Pressure Release Error: Failed to pressure

When "Sensor A: Low" is not detected within 1000 msec from the start of pressure application.

Monitored when the pressure release mechanism is operating.

Pressure Change: SP1-151-001 1:On/0: Off

When this SP is set to OFF, SC detection is disabled.

  • Pressure release motor, pressure roller sensor defective

  • Feeler deformed or damaged

  • Pressure release mechanism defective

  • Replace the pressure release motor.

  • Replace the pressure roller sensor.

  • Replace the feeler.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC570-00

D

Fusing Belt Smoothing Roller Contact Error

Contact/separation/control failed 3 times consecutively.

Monitored when the contact/separation mechanism is operating.

  • Fusing belt smoothing roller contact motor defective, fusing belt smoothing roller sensor defective

  • Feeler deformed or damaged

  • Contact/separation mechanism defective

  • Replace the fusing belt smoothing roller contact motor.

  • Replace the fusing belt smoothing roller sensor.

  • Replace the feeler.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC579-00

A

Sensor 7: Fusing Roller Core Disconnection

0 degrees or lower was detected for 1000 seconds consecutively.

Number of times: 10 or more

Monitored at: All times, though SC is not issued when temperature is not controlled (when in off mode/sleep mode, when a door, excluding the toner supply door, is open, or when the heater relay is off).

Monitored only when SP1-107-024 is set to ON.

SP1-107-024:

0: OFF (default)

1: ON

  • Thermistor (hot roller shaft) disconnection

  • Connecter contact failure

  • Replace the thermistor (hot roller shaft).

  • Reconnect the connector.

  • Replace the connector.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC580-03

A

Sensor 7: Fusing Roller Core: Reload Failure: Timeout 2

Failed to reach reload temperature after 2700 seconds from the start of heater control.

Monitored at: Startup (Power-on, when a cover is closed, when pressure roller fusing lamp is under control)

  • IH malfunctioning

  • Overheating prevention device worked.

  • Replace the thermopile.

  • Use with supported input voltage

  • Replace the IH coil unit/IH inverter.

  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC582-01

A

IGBT Overvoltage Error

Error notification from the IH inverter with a command (command: 0x64, response value: bit 0)

  • Input voltage abnormal
  • IH inverter malfunctioning
  • IOB defective

  • Fusing unit defective

  • Check the SC history.

  • Check the connection of the connector and harness.
  • Check the fan.
  • Replace the IH inverter.
  • Replace the fusing unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC582-02

D

  • IH Input Voltage Error

  • Error notification from the IH inverter with a command (command: 0x64, response value: bit 1)

  • Input voltage abnormal

  • Harness broken

  • IH inverter defective

  • IOB defective

  • Check the SC history.

  • Check what the power voltage value was when the SC occurred.
  • Check the power voltage supply to the machine.
  • Replace the IH inverter.
  • Replace the IOB.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC583-05DFusing Guide Plate Sensor Error

The error is detected when the guide plate sensor is OFF after 200 msec from the drawer lock completion.

The error is not detected while the drawer set sensor is ON.

  • Fusing exit guide plate open sensor defective
  • Connector disconnected
  • Harness broken
  • Circuit board (DUB) error
  • Fusing exit guide plate open sensor does not work because of the guide plate broken.

  • Check/clean/replace the fusing exit guide plate open sensor.

  • Reconnect the harness.

  • Replace the harness.

  • Check and replace the DUB.

  • Check and replace the guide plate D2 lever.