• Code: EC12 2F29
• Description: Timeout error of PAPER FEED drive (support number : 4801)
• Causes: PAPER FEED drive does not finish driving within the scheduled time.
• Remedy: 1 Check the items below. a) Jam inside of the printer. b) Looseness and abrasion of BELT, PAPER TRANSPORT. Appropriate Go to 2. Inappropriate a) Remove jam. b) Replace BELT, PAPER TRANSPORT. 2 Replace PAPER FEED MOTOR UNIT. The problem is resolved Complete. The problem is not resolved Replace PAPER FEED ENCODER UNIT.

• Code: EC12 2F2B
• Description: PAPER FEED overload error (support number : 4801)
• Causes: PAPER FEED motor keeps 100% output for a certain period.
• Remedy: 1 Check the items below. a) Jam inside of the printer. b) Check if the paper in use has strong stiffness, is a heavy roll paper, or is easy to get curled. c) Smear or paper jam in the PAPER FEED ROLLER UNIT. Appropriate Go to 2. Inappropriate a) Remove jam. b) Change the paper to use. c) Perform cleaning or replace PAPER FEED ROLLER UNIT and HOLDER, PAPER FEED ROLLER. 2 Replace FILM, TIMING SLIT DISK and PAPER FEED MOTOR UNIT. The problem is resolved Complete. The problem is not resolved Replace PAPER FEED ROLLER UNIT.

• Code: EC12 2F2C
• Description: PAPER FEED motor error (support number : 4801)
• Causes: The paper does not reach to the specified position while driving the PAPER FEED motor.
• Remedy: 1 Check the items below. a) Jam inside of the printer. b) Check if the paper in use has strong stiffness, is a heavy roll paper, or is easy to get curled. c) Smear or paper jam in the PAPER FEED ROLLER UNIT. Appropriate Go to 2. Inappropriate a) Remove jam. b) Change the paper to use. c) Perform cleaning or replace PAPER FEED ROLLER UNIT and HOLDER, PAPER FEED ROLLER. 2 Replace FILM, TIMING SLIT DISK and PAPER FEED MOTOR UNIT. The problem is resolved Complete. The problem is not resolved Replace PAPER FEED ROLLER UNIT.

• Code: EC13 2F17
• Description: Platen suction fan error (support number : 4801)
• Causes: SUCTION FAN UNIT Lock signal is detected.
• Remedy: 1 Replace SUCTION FAN UNIT. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT. (After replacement, perform PCB replacement mode and necessary adjustments.)

• Code: EC15 2E23
• Description: Cutter blade unit error (support number : 4801)
• Causes: • CUTTER HOME POSITION SENSOR cannot be detected. • Abnormal encoder value is detected when returning the cutter to the home position
• Remedy: 1 Check the items below. a) Foreign substances on CUTTER BLADE UNIT. b) Check if the cutter (CT-07) is being attached slantwise. c) Perform [DIAGNOSIS > I/O DISPLAY] and check CUTTER HOME POSITION SENSOR operation. d) Check the harness connection. No foreign substance and proper condition Go to 2. Foreign substance is adhering or improper condition a) Remove the foreign substance. b) Reattach the cutter (CT-07). c) Replace CUTTER HOME POSITION SENSOR. d) Connect the harness. proper attachment improper attachment Attachment condition of the cutter (CT-07) 2 Replace CUTTER MOTOR UNIT, W/ENCODER. The problem is resolved Complete. The problem is not resolved Replace CUTTER BLADE UNIT.

• Code: EC16 2021
• Description: Timeout error of upper roll drive (support number : 4801)
• Causes: The target value of operation command is not achieved when controlling upper ACTIVE ROLL BRAKE UNIT motor.
• Remedy: 1 Check the items below. a) Foreign substances or jam at paper feed part. b) Engagement of the spool with the gear of the printer side. c) Check if the paper in use has strong stiffness, is a heavy roll paper, or is easy to get curled. Appropriate Go to 2. Inappropriate a) Remove the foreign substance and jam. b) Reset the spool. c) Change the paper to use. 2 Replace ACTIVE ROLL BRAKE UNIT. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT. (After replacement, perform PCB replacement mode and necessary adjustments.)

• Code: EC16 2022
• Description: Upper roll drive overload error (support number : 4801)
• Causes: Current value reaches to the maximum value when controlling upper ACTIVE ROLL BRAKE UNIT motor.
• Remedy: 1 Check the items below. a) Foreign substances or jam at paper feed part. b) Engagement of the spool with the gear of the printer side. c) Check if the paper in use has strong stiffness, is a heavy roll paper, or is easy to get curled. Appropriate Go to 2. Inappropriate a) Remove the foreign substance and jam. b) Reset the spool. c) Change the paper to use. 2 Replace ACTIVE ROLL BRAKE UNIT. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT. (After replacement, perform PCB replacement mode and necessary adjustments.)

• Code: EC16 2027
• Description: Upper role motor error (support number : 4801)
• Causes: The timing when upper roll drive timeout or upper roll drive overload occurs, operation instruction is indicated by firmware.
• Remedy: 1 Check the items below. a) Foreign substances or jam at paper feed part. b) Engagement of the spool with the gear of the printer side. c) Check if the paper in use has strong stiffness, is a heavy roll paper, or is easy to get curled. Appropriate Go to 2. Inappropriate a) Remove the foreign substance and jam. b) Reset the spool. c) Change the paper to use. 2 Replace ACTIVE ROLL BRAKE UNIT. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT. (After replacement, perform PCB replacement mode and necessary adjustments.)