SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC400-01

D

Development Gamma High Error (K)

SC400-02

D

Development Gamma High Error (C)

SC400-03

D

Development Gamma High Error (M)

SC400-04

D

Development Gamma High Error (Y)

  

Development gamma > 3.0

Details:

This SC is issued when the development gamma measured during process control was greater than 3.0

  • Toner density too high

  • Condensation

  • Replace the developer.

  • If condensation has formed, wait a while and repeat process control.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC401-01

D

Development Gamma Low Error (K)

SC401-02

D

Development Gamma Low Error (C)

SC401-03

D

Development Gamma Low Error (M)

SC401-04

D

Development Gamma Low Error (Y)

  

Development gamma > 3.0

Details:

This SC is issued when the development gamma measured during process control was smaller than 3.0

  • Toner density error

  • The dustproof glass is dirty.

  • Transfer power pack defective

  • PCDU set error

  • Check the toner supply system.

  • Clean the dustproof glass.

  • Replace the transfer power pack.

  • Check if the PCDU is installed correctly by looking at the lock levers. (PCDU)

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC402-51

D

Development gamma calculation error: Insufficient data (K)

SC402-52

D

Development gamma calculation error: Insufficient data (C)

SC402-53

D

Development gamma calculation error: Insufficient data (M)

SC402-54

D

Development gamma calculation error: Insufficient data (KY

  

The number of valid data that can be used for development gamma calculation is smaller than 2.

  • Toner density error

  • Condensation

  • Replace the developer.

  • If condensation has formed, wait a while and repeat process control.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC402-61

D

Development gamma calculation error: LD unlit (K)

SC402-62

D

Development gamma calculation error: LD unlit (C)

SC402-63

D

Development gamma calculation error: LD unlit (M)

SC402-64

D

Development gamma calculation error: LD unlit (Y)

  

Unable to draw gradation pattern

Details:

This SC is issued when the potential sensor fails to detect the gradation pattern created during process control.

  • LD unlit

  • Check the LD system and electric components.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC403-01

C

Development Start Voltage (Vk) High Error (K)

SC403-02

C

Development Start Voltage (Vk) High Error (C)

SC403-03

C

Development Start Voltage (Vk) High Error (M)

SC403-04

C

Development Start Voltage (Vk) High Error (Y)

  

Development Start Voltage (Vk) > 300 [-V]

Details:

This SC is issued when the development start voltage measured during process control exceeded 300[-V].

  • Toner density error

  • Replace the developer.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC404-01

C

Development Start Voltage (Vk) Low Error (K)

SC404-02

C

Development Start Voltage (Vk) Low Error (C)

SC404-03

C

Development Start Voltage (Vk) Low Error (M)

SC404-04

C

Development Start Voltage (Vk) Low Error (Y)

  

Development Start Voltage (Vk) < 300 [-V]

Details:

This SC is issued when the development start voltage measured during process control was smaller than 300[-V].

  • Toner density error

  • Condensation

  • Replace the developer.

  • If condensation has formed, wait a while and repeat process control.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC410-01

C

Residual Voltage (Vr) Detection Error (K)

SC410-02

C

Residual Voltage (Vr) Detection Error (C)

SC410-03

C

Residual Voltage (Vr) Detection Error (M)

SC410-04

C

Residual Voltage (Vr) Detection Error (Y)

  

Residual Voltage (Vr) > 200[-V]

Details:

This SC is issued when the residual voltage measured during process control exceeded 200 [-V].

  • Toner density error

  • Condensation

  • Replace the developer.

  • If condensation has formed, wait a while and repeat process control.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC411-01

C

Charge potential (Vd) Adjustment Error (K)

SC411-02

C

Charge potential (Vd) Adjustment Error (C)

SC411-03

C

Charge potential (Vd) Adjustment Error (M)

SC411-04

C

Charge potential (Vd) Adjustment Error (Y)

  

Failed to adjust the DC charge bias to the target range: Vd*± 8V.

Details:

This SC is issued when the machine fails to adjust the DC charge bias to the target range: Vd*± 8V during process control.

  • Charge roller dirty

  • Replace the charge roller.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC412-01

C

LD input current (Vpl) Adjustment Error (K)

SC412-02

C

LD input current (Vpl) Adjustment Error (C)

SC412-03

C

LD input current (Vpl) Adjustment Error (M)

SC412-04

C

LD input current (Vpl) Adjustment Error (Y)

  

Failed to adjust the LD power to the target range: Vpl*± 5V.

Details:

This SC is issued when the machine fails to adjust the LD power to the target range: Vpl*± 5V during process control.

  • OPC drum deteriorated (Filming etc.)

  • Charge roller dirty

  • Replace the OPC drum.

  • Replace the charge roller.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC421-01

C

OPC home position signal detection error (K)

SC421-02

C

OPC home position signal detection error (C)

SC421-03

C

OPC home position signal detection error (M)

SC421-04

C

OPC home position signal detection error (Y)

  

Failed to detect the home position signal within specified time.

  • Home position sensor defective/Loose connection/Harness broken/Connecter disconnected

  • Home position sensor smudged

  • Check the home position sensor connector.

  • Check the home position sensor harness.

  • Replace the home position sensor if it is found to be defective.

  • Check the sensor for smudges. Blow it with air and check again.