• Code: 003-367
• Description: Other errors from Decompress
• Causes: Detect Line Sync incorrectly. Connection of connecters between ESS PWB J32 and MCU PWB J14, disconnection of Flat Cable, or loose connection. Replace ESS PWB if no problem with Flat Cable.

• Code: 003-368
• Description: PCI Bus Error
• Causes: Access of PCI causes trouble due to the defect of PCI bus. When it is not recovered by powering OFF and On, replace ESS PWB.

• Code: 003-370
• Description: Marker code detect error
• Causes: The finish code is not found in the compressed data (FF02) when depressing the data in specified size. When it is not recovered by powering OFF and On, execute the following. In case of that the specific documents cause the trouble. The possibility of software problem is high. 1. Changing print mode (normal/high quality/high resolution) may print out. 2. Changing RAM size may print out. A. Change RAM size to install B. Change the used size of RAM (Change the setting of port, or received buffer size) In case of that the most of documents cause the trouble. The possibility of hardware problem is high. 1. Change RAM 2. Execute the DC355 DIAG test, and replace HDD if the trouble is not recovered. 3. Replace ESS PWB

• Code: 003-371
• Description: IOT-ESS Communication Fail 1
• Causes: No response from IOT PWB to ESS PWB sending.MCU PWB J14, disconnection of Flat Cable, or loose connection. Replace ESS PWB if no problem with Flat Cable. When it is not recovered yet, replace MCU PWB.

• Code: 003-372
• Description: IOT-ESS Communication Fail 2
• Causes: ESS PWB detects DLL send error. MCU PWB J14, disconnection of Flat Cable, or loose connection. Replace ESS PWB if no problem with Flat Cable. When it is not recovered yet, replace MCU PWB.

• Code: 003-600
• Description: Billing Fail 3
• Causes: Auto recovery of Billing Master Counter. Already registered to History (Hide Fail)

• Code: 003-601
• Description: Billing Fail 4
• Causes: Auto recovery of Billing Backup Counter 1. Already registered to History (Hide Fail)

• Code: 003-602
• Description: Billing Fail 5
• Causes: Auto recovery of Billing Backup Counter 2. Already registered to History (Hide Fail)