SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC360-01

D

TD sensor calibration error (K)

SC360-02

D

TD sensor calibration error (C)

SC360-03

D

TD sensor calibration error (M)

SC360-04

D

TD sensor calibration error (Y)

  
  1. If the µ count value is more than the threshold of the no developer detection.
  2. If the µ count value cannot reach to the following target range for three times consecutively.
    • Upper threshold
    • Lower threshold

Adjustment flow:

  1. Developer presence detection

  2. Developer not detected.

    OK: Proceed to µ count measurement.
    NG: Save the result and exit -> SC360-01.

  3. The µ count measurement

  4. The µ count measurement result judgment

    OK: TD sensor initial setting succeeded.
    NG: Proceed to the error processing.

Error processing:

  1. Judge after increase the error count by one.

    Error count is less than 3: Execute the µ count measurement again
    Error count is 3 and over: SC360-01

  • TD sensor defective

  • Loose connection

  • Harness broken

  • Development unit defective (Developer is not new)

  • Replace the TD sensor or the development unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC361-01

D

TD sensor output error: Upper Limit (K)

SC361-02

D

TD sensor output error: Upper Limit (C)

SC361-03

D

TD sensor output error: Upper Limit (M)

SC361-04

D

TD sensor output error: Upper Limit (Y)

  

The TD sensor output (Vt) (SP3-210-001 to 004) exceeded 4.7 V 20 times consecutively.

  • Toner density extremely low

  • Check the sub hopper connection. When the connectors are disconnected, supply toner forcibly and execute manual process control.

  • Check the TD sensor connection. When the connectors are disconnected, execute manual process control.

  • Replace the development unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC362-01

D

TD sensor output error: Lower limit (K)

SC362-02

D

TD sensor output error: Lower limit (C)

SC362-03

D

TD sensor output error: Lower limit (M)

SC362-04

D

TD sensor output error: Lower limit (Y)

  

The TD sensor output (Vt) (SP3-210-001 to 004) fell below 0.5 V 10 times consecutively.

  • TD sensor not connected correctly

  • TD sensor defective

  • Check the TD sensor connection. When the connectors are disconnected, execute the manual process control.

  • Replace the development unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC370-01

D

ID sensor calibration error (F)

SC370-02

D

ID sensor calibration error (C)

SC370-03

D

ID sensor calibration error (R)

  

The voltage reading during process control for Vsg_reg was not within the correct range (4.0 ± 0.5 V).

Details:

Vsg_reg is the voltage reading of the light reflected directly from the bare surface of the ITB. ID sensor calibration adjusts the LED current so that Vsg_reg becomes 4.0 ± 0.5 V.

Adjustment flow:

  1. Vsg_reg confirmation

    If Vsg_reg is smaller than 0.5V, SC371-0X is issued and process control ends.

  2. ID sensor calibration

    Fluctuates the LED current and measures Vsg_reg.

  3. LED current upper limit check

    OK: Proceeds to Vsg upper/lower limit check

    NG: SC372-0X is issued; proceeds to Vsg upper/lower limit check

  4. Vsg upper/lower limit check

    OK: Process control continued

    NG: SC370-0X is issued and process control ends.

  • ITB deformed, out of position or damaged

  • Wipe the ID/MUSIC sensor window with a damp cloth if dirty (never use a dry cloth).

  • Replace the ID/MUSIC sensor.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC371-01

D

ID sensor output error (F)

SC371-02

D

ID sensor output error (C)

SC371-03

D

ID sensor output error (R)

  

The ID sensor voltage reading of the light reflected directly (Vsg_reg) is below 0.5 V.

  • ID sensor connector disconnected/loose connection

  • ID sensor defective

  • Check if the ID/MUSIC sensor connector is connected.

  • Replace the ID/MUSIC sensor.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC373-01

D

ID Sensor Pattern Density High Error (K)

SC373-02

D

ID Sensor Pattern Density High Error (C)

SC373-03

D

ID Sensor Pattern Density High Error (M)

SC373-04

D

ID Sensor Pattern Density High Error (Y)

  

K:

The density of the Black reading in the ID sensor patterns created between pages (SP3-300-001) is greater than the threshold value set by SP3-301-021.

CMY:

The density of the Cyan/Magenta/Yellow reading in the ID sensor patterns created between pages (SP3-300-002 to o004) is greater than the threshold value set by SP3-301-022.

  • Excessive toner supply

  • Replace the toner supply unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC374-01

D

ID Sensor Pattern Density Low Error (K)

SC374-02

D

ID Sensor Pattern Density Low Error (C)

SC374-03

D

ID Sensor Pattern Density Low Error (M)

SC374-04

D

ID Sensor Pattern Density Low Error (Y)

  

K:

The density of the Black reading in the ID sensor patterns created between pages (SP3-300-001) was less than the threshold value set by SP3-301-023 three times consecutively.

CMY:

The density of the Cyan reading in the ID sensor patterns created between pages (SP3-300-002 to 004) is less than the threshold value set by SP3301-24 three times consecutively.

  • Abnormal development bias (Continuity fault)

  • Image transfer error

  • Check development bias continuity.

  • Check the ITB unit.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC381-01

D

Potential sensor output high error (K)

SC381-02

D

Potential sensor output high error (C)

SC381-03

D

Potential sensor output high error (M)

SC381-04

D

Potential sensor output high error (Y)

  

Vd(700) greater than 950[-V]

Details:

In Vd detection, which is done at the beginning of process control, the measured potential (Vd) is converted to the potential when -700 V is applied to the drum (Vd700) and used to check the potential sensor.

  • Potential sensor dirty (foreign object, such as toner, entering the probe window)
  • Disconnect and reconnect the connector on the sensor side of the potential sensor board.

  • Use a blower brush to clean the potential sensor if dirty.

  • Replace the potential sensor board.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC382-01

D

Potential sensor output low error (K)

SC382-02

D

Potential sensor output low error (C)

SC382-03

D

Potential sensor output low error (M)

SC382-04

D

Potential sensor output low error (Y)

  

Vd(700) lesser than 50[-V]

Details:

In Vd detection, which is done at the beginning of process control, the measured potential (Vd) is converted to the potential when -700 V is applied to the drum (Vd700) and used to check the potential sensor.

  • Potential sensor defective (probe, board, or connector pins disconnected)

  • Disconnect and reconnect the connectors on the machine side/IOB side of the potential sensor board.

  • Replace the potential sensor board.

SC No.LevelError Name/Error Condition/Major Cause/Solution
SC395-01DDrum motor (K) Lock: Encoder 1 error
SC395-02DDrum motor (K) Lock: Encoder 2 error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Black drum encoder sensor smudged
  • Black drum encoder sensor defective
  • Black drum encoder sensor connector not set correctly
  • Check the harness connection and re-connect the harness.
  • Replace the black drum encoder sensor.
  • Replace the harnesses.
  • Replace the drive unit of the black drum.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC395-03DDrum motor (K) Lock: Encoder 1/2 error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Black PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Black drum encoder sensor smudged
  • Black drum encoder sensor defective
  • Black drum encoder sensor connector not set correctly
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the drum encoder sensor (upper/lower) of the black drum.
  • Replace the harnesses.
  • Replace the black drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC395-04DDrum motor (K) Lock: Hole error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the harness connection and re-connect the harness.
  • Replace the harnesses.
  • Replace the black drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC395-05DDrum motor (K) Lock: Overload error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Black PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the black drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC396-01DDrum motor (C) Lock: Encoder 1 error
SC396-02DDrum motor (C) Lock: Encoder 2 error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum tor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Cyan drum encoder sensor smudged
  • Cyan drum encoder sensor defective
  • Cyan drum encoder sensor connector not set correctly
  • Check the harness connection and re-connect the harness.
  • Replace the drum encoder sensor (lower) of the cyan drum.
  • Replace the harnesses.
  • Replace the drive unit of the cyan drum.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC396-03DDrum motor (C) Lock: Encoder 1/2 error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Cyan PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Cyan drum encoder sensor smudged
  • Cyan drum encoder sensor defective
  • Cyan drum encoder sensor connector not set correctly
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the drum encoder sensor (upper/lower) of the cyan drum.
  • Replace the harnesses.
  • Replace the drive unit of the cyan drum.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC396-04DDrum motor (C) Lock: Hole error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the harness connection and re-connect the harness.
  • Replace the harnesses.
  • Replace the drive unit of the cyan drum.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC396-05DDrum motor (C) Lock: Overload error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Cyan PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the drive unit of the cyan drum.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC397-01DDrum motor (M) Lock: Encoder 1 error
SC397-02DDrum motor (M) Lock: Encoder 2 error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Magenta drum encoder sensor smudged
  • Magenta drum encoder sensor defective
  • Magenta drum encoder sensor connector not set correctly
  • Check the harness connection and re-connect the harness.
  • Replace the drum encoder sensor (lower) of the magenta drum.
  • Replace the harnesses.
  • Replace the magenta drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC397-03DDrum motor (M) Lock: Encoder 1/2 error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Magenta PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Magenta drum encoder sensor smudged
  • Magenta drum encoder sensor defective
  • Magenta drum encoder sensor connector not set correctly
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the encoder sensor (upper/lower) of the magenta drum.
  • Replace the harnesses.
  • Replace the magenta drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC397-04DDrum motor (M) Lock: Hole error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the harness connection and re-connect the harness.
  • Replace the harnesses.
  • Replace the magenta drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC397-05DDrum motor (M) Lock: Overload error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Magenta PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the magenta drum drive unit.
  • Replace the IOB.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC398-01

D

Drum motor (Y) Lock: Encoder 1 error

SC398-02

D

Drum motor (Y) Lock: Encoder 2 error

SC398-03

D

Drum motor (Y) Lock: Encoder 1/2 error

  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Yellow drum encoder sensor smudged
  • Yellow drum encoder sensor defective
  • Yellow drum encoder sensor connector not set correctly
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the drum encoder sensor (upper/lower) of the yellow drum.
  • Replace the harnesses.
  • Replace the yellow drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC398-04DDrum motor (Y) Lock: Hole error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  • Check the harness connection and re-connect the harness.
  • Replace the harnesses.
  • Replace the yellow drum drive unit.
  • Replace the IOB.
SC No.LevelError Name/Error Condition/Major Cause/Solution
SC398-05DDrum motor (Y) Lock: Overload error
  

Error detected by the TDCU.

If a command sent from the TDCU indicates an error, the engine issues an SC.

  
  • Yellow PCDU torque defective
  • Drum motor defective
  • Connectors disconnected
  • Harness broken
  • IOB defective
  
  • Check the PCDU and replace the PCDU if needed.
  • Check the harness connection and re-connect the harness.
  • Replace the yellow drum drive unit.
  • Replace the IOB.

ASAP Command: SC detection notification (TDCU to Engine): (SC395-01 to SC398-05)

SC No.

ASAP Command: SC detection notification

SC395-01

0x55_0x08_0x01

0x55_0x08_0x02

0x55_0x08_0x03

0x55_0x08_0x04

SC395-02

0x55_0x08_0x05

0x55_0x08_0x0a

0x55_0x08_0x0f

0x55_0x08_0x14

SC395-03

0x55_0x08_0x06

0x55_0x08_0x07

0x55_0x08_0x08

0x55_0x08_0x09

0x55_0x08_0x0b

0x55_0x08_0x0c

0x55_0x08_0x0d

0x55_0x08_0x0e

0x55_0x08_0x10

0x55_0x08_0x11

0x55_0x08_0x12

0x55_0x08_0x13

0x55_0x08_0x15

0x55_0x08_0x16

0x55_0x08_0x17

0x55_0x08_0x18

SC395-04

0x55_0x02_0x29

0x55_0x02_0x2a

0x55_0x02_0x2b

0x55_0x02_0x2c

SC395-05

0x55_0x02_0x34

SC396-01

0x55_0x02_0x01

0x55_0x02_0x02

0x55_0x02_0x03

0x55_0x02_0x04

SC396-02

0x55_0x02_0x05

0x55_0x02_0x0a

0x55_0x02_0x0f

0x55_0x02_0x14

SC396-03

0x55_0x02_0x06

0x55_0x02_0x07

0x55_0x02_0x08

0x55_0x02_0x09

0x55_0x02_0x0b

0x55_0x02_0x0c

0x55_0x02_0x0d

0x55_0x02_0x0e

0x55_0x02_0x10

0x55_0x02_0x11

0x55_0x02_0x12

0x55_0x02_0x13

0x55_0x02_0x15

0x55_0x02_0x16

0x55_0x02_0x17

0x55_0x02_0x18

SC396-04

0x55_0x02_0x29

0x55_0x02_0x2a

0x55_0x02_0x2b

0x55_0x02_0x2c

SC396-05

0x55_0x02_0x34

SC397-01

0x55_0x04_0x01

0x55_0x04_0x02

0x55_0x04_0x03

0x55_0x04_0x04

SC397-02

0x55_0x04_0x05

0x55_0x04_0x0a

0x55_0x04_0x0f

0x55_0x04_0x14

SC397-03

0x55_0x04_0x06

0x55_0x04_0x07

0x55_0x04_0x08

0x55_0x04_0x09

0x55_0x04_0x0b

0x55_0x04_0x0c

0x55_0x04_0x0d

0x55_0x04_0x0e

0x55_0x04_0x10

0x55_0x04_0x11

0x55_0x04_0x12

0x55_0x04_0x13

0x55_0x04_0x15

0x55_0x04_0x16

0x55_0x04_0x17

0x55_0x04_0x18

SC397-04

0x55_0x04_0x29

0x55_0x04_0x2a

0x55_0x04_0x2b

0x55_0x04_0x2c

SC397-05

0x55_0x04_0x34

SC398-01

0x55_0x01_0x01

0x55_0x01_0x02

0x55_0x01_0x03

0x55_0x01_0x04

SC398-02

0x55_0x01_0x05

0x55_0x01_0x0a

0x55_0x01_0x0f

0x55_0x01_0x14

SC398-03

0x55_0x01_0x06

0x55_0x01_0x07

0x55_0x01_0x08

0x55_0x01_0x09

0x55_0x01_0x0b

0x55_0x01_0x0c

0x55_0x01_0x0d

0x55_0x01_0x0e

0x55_0x01_0x10

0x55_0x01_0x11

0x55_0x01_0x12

0x55_0x01_0x13

0x55_0x01_0x15

0x55_0x01_0x16

0x55_0x01_0x17

0x55_0x01_0x18

SC398-04

0x55_0x01_0x29

0x55_0x01_0x2a

0x55_0x01_0x2b

0x55_0x01_0x2c

SC398-05

0x55_0x01_0x34