• Code: E280-0002-04
• Description: Scanner Unit communication error
• Causes: Disconnection of FFC between the Main Controller and the Scanner Unit (front) was detected.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (front) and the Main Controller PCB (UN81) - Scanner Unit (front) - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E280-0101-04
• Description: Scanner Unit communication error
• Causes: Communication between the Main Controller and the Scanner Unit (back) was not started within the specified period of time.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (back) and the Main Controller PCB (UN81) - Scanner Unit (back) - ADF UNIT - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E280-0102-04
• Description: Scanner Unit communication error
• Causes: Disconnection of FFC between the Main Controller and the Scanner Unit (back) was detected.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (back) and the Main Controller PCB (UN81) - Scanner Unit (back) - ADF UNIT - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E302-0001-04
• Description: Error in paper front white shading
• Causes: An error in the shading value was detected at white shading.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (front) and the Main Controller PCB (UN81) - Scanner Unit (front) - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E302-0002-04
• Description: Error in paper front black shading
• Causes: An error in the shading value was detected at black shading.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (front) and the Main Controller PCB (UN81) - Scanner Unit (front) - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E302-0003-04
• Description: Error in paper front shading
• Causes: Image sampling for shading was not completed.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (front) and the Main Controller PCB (UN81) - Scanner Unit (front) - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E302-0101-04
• Description: Error in paper back white shading
• Causes: An error in the shading value was detected at white shading.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (back) and the Main Controller PCB (UN81) - Scanner Unit (back) - ADF UNIT - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.

• Code: E302-0102-04
• Description: Error in paper back black shading
• Causes: An error in the shading value was detected at black shading.
• Remedy: [Related parts] R1.00 - Harness between the Scanner Unit (back) and the Main Controller PCB (UN81) - Scanner Unit (back) - ADF UNIT - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.