• Code: 03800200-2804
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.

• Code: 03800201-280A
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.

• Code: 03800202-2807
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.

• Code: 03800204-2540
• Description: Invalid ink tank ID. The installed ink tank is wrong
• Causes: Ink tank, ink tank unit, or main controller PCB
• Remedy: 1. Replace the ink tank. 2. Replace the ink tank unit. 3. Replace the main controller PCB.

• Code: 03800300-2801
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.

• Code: 03800301-2809
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.

• Code: 03800400-2803
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.

• Code: 03800401-280B
• Description: Printhead error. Improper installation of the printhead(L) was detected. A checksum error was detected in the EEPROM of the printhead(L). Unable to correct printhead(L) DI. Printhead(L) was installed right and left and oppositely. Improper installation of the printhead(R) was detected. A checksum error was detected in the EEPROM of the printhead(R). Unable to correct printhead(R) DI. Printhead(R) was installed right and left and oppositely.
• Causes: Printhead, carriage PCB, carriage unit, or main controller PCB.
• Remedy: 1. Replace the printhead. 2. Cable continuity check If continuity of the cable between the carriage PCB and the main controller PCB is abnormal, replace the cable. 3. Replace the carriage PCB. 4. Replace the carriage unit. 5. Replace the main controller PCB.