• Code: EC16 202A
• Description: Upper roll motor runaway error (support number : 4801)
• Causes: Abnormity is detected at control IC on the main PCB during upper ACTIVE ROLL BRAKE UNIT controlling.
• 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 202E
• Description: Detection error of upper roll spool (support number : 100E)
• Causes: UPPER RIGHT SPOOL SET SENSOR or UPPER LEFT SPOOL SET SENSOR detects “No spool” when SPOOL LOCK UNIT is ON.
• Remedy: 1 Check the items below. a) Engagement of the spool with the gear of the printer side. b) Check if the paper in use has strong stiffness, is a heavy roll paper, or is easy to get curled. c) Damage of the spool sensor lever. d) Perform [DIAGNOSIS > I/O DISPLAY] and check the operation of UPPER RIGHT SPOOL SET SENSOR and UPPER LEFT SPOOL SET SENSOR Appropriate Replace SPOOL LOCK UNIT. Inappropriate a) Reset the spool. b) Change the paper to use. c) Replace COVER, ROLL GEAR L and/or SPOOL SENSOR UNIT. d) Replace UPPER RIGHT SPOOL SET SENSOR and/or UPPER LEFT SPOOL SET SENSOR when the connect condition of the harness is not troubled.

• Code: EC16 2038
• Description: Upper ARB motor calibration error (support number : 4801)
• Causes: Calibration of upper ACTIVE ROLL BRAKE UNIT motor fails.
• Remedy: 1 Perform readjustment. ([ADJUSTMENT > UPPER_ARB_CALIB]) The problem is resolved Complete. The problem is not resolved Replace ACTIVE ROLL BRAKE UNIT.

• Code: EC17 2023
• Description: Timeout error of lower roll drive (support number : 4801)
• Causes: Lower ACTIVE ROLL BRAKE UNIT does not reach to its motor control target value.
• 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: EC17 2024
• Description: Lower roll drive overload error (support number : 4801)
• Causes: Current value reaches to the maximum value when controlling lower 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: EC17 2028
• Description: Lower roll motor error (support number : 4801)
• Causes: The timing when lower roll drive timeout or lower 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.)

• Code: EC17 2029
• Description: Lower roll motor runaway error (support number : 4801)
• Causes: Abnormity is detected at control IC on the main PCB during lower ACTIVE ROLL BRAKE UNIT controlling.
• 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: EC17 202D
• Description: Lower roll unit uninstall error (support number : 1875)
• Causes: • The lower roll unit is not recognized when starting printing from the lower roll.•The lower roll unit is not recognized despite feed available state of the lower roll.
• Remedy: 1 Check the items below. a) Lower roll I/F cable connection. b) Lower roll unit connection. Connected Replace I/F PCB UNIT, RU and/or RELAY PCB UNIT, RU. Disconnected a) Connect the cable. b) Connect the unit.