• Code: E720-0100-05
• Description: Cassette Pedestal detection error
• Causes: Connection of the Cassette Pedestal could not be detected.
• Remedy: [Related parts] R1.00 - Harnesses connecting the DC Controller PCB (UN04/J190), the Drawer Unit (DR03/J5904) and the Cassette Module Controller PCB - Cassette Module Controller PCB - Cassette Pedestal - DC Controller PCB (UN04) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the DC Controller PCB, back up the service mode data (approx. 2 min) and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: E730-C001-00
• Description: Error in HDD access
• Causes: An error occurred when accessing the HDD.
• Remedy: [Related parts] R1.00 - Harness between the Main Controller PCB and the HDD - HDD - Main Controller PCB [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Format the HDD and reinstall the system software using SST or a USB flash drive. 2. Check/replace the related harness/cable, connector and parts.

• Code: E732-0001-04
• Description: Communication error
• Causes: DDI-S communication error.
• Remedy: [Related parts] R1.00 - Harness between the READER ADF UNIT (J6, J5) and the Main Controller PCB (UN81/J4001, 4002) - READER 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: E732-0010-00
• Description: Communication error
• Causes: A signal to start image transfer could not be detected at scanning although the specified period of time (120 sec) has passed.
• Remedy: [Related parts] R1.00 - Harness between the READER ADF UNIT (J6, J5) and the Main Controller PCB (UN81/J4001, 4002) - READER 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: E732-0020-00
• Description: Communication error
• Causes: A communication error between the Reader Controller PCB and the Main Controller PCB was detected.
• Remedy: [Related parts] R1.00 - Harness between the READER ADF UNIT (J6, J5) and the Main Controller PCB (UN81/J4001, 4002) - READER 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: E732-0021-00
• Description: Communication error
• Causes: A communication error between the Reader Controller PCB and the Main Controller PCB was detected.
• Remedy: [Related parts] R1.00 - Harness between the READER ADF UNIT (J6, J5) and the Main Controller PCB (UN81/J4001, 4002) - READER 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: E732-0022-00
• Description: Communication error
• Causes: A communication error between the Reader Controller PCB and the Main Controller PCB was detected.
• Remedy: [Related parts] R1.00 - Harness between the READER ADF UNIT (J6, J5) and the Main Controller PCB (UN81/J4001, 4002) - READER 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: E732-0023-04
• Description: Communication error
• Causes: DDI-S communication error (SPRDY-S detection error)
• Remedy: [Related parts] R1.00 - Harness between the READER ADF UNIT (J6, J5) and the Main Controller PCB (UN81/J4001, 4002) - READER ADF UNIT - Main Controller PCB (UN81) [Remedy] Check/replace the related parts. After performing the remedy, check that the copy image is output normally.