• Code: 03830305-2568
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830306-2566
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830307-256A
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830308-256C
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830309-256B
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830312-2564
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830313-2565
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.

• Code: 03830315-2569
• Description: Ink tank EEPROM error. An ink tank EEPROM checksum error was detected.
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Cable continuity check If continuity of the cable between the ink tank unit and the main controller PCB is abnormal, replace the cable. 4. Replace the main controller PCB.