• Code: EC33 402x
• Description: Choke valve error at initial ink filling (support number : B510) Memo : Remove the error in service mode after handling.
• Causes: The ink level detection pin detects ink filling failure of the sub tank. Reference : Ink colors are identified with the last number of detail codes. (Detail of the last numbers)
• Remedy: 1 Replace the SUB INK TANK UNIT that ink filling error occurred.

• Code: EC34 2602
• Description: Timeout error of right choke valve drive (support number : 4801)
• Causes: The choke valve does not complete driving within the scheduled time.
• Remedy: 1 Perform [DIAGNOSIS > I/O DISPLAY] to check the RIGHT CHOKE VALVE POSITION SENSOR operation. Proper operation Reboot and recheck the operation. When the printer does not recover, drive system overload is suspected. In this case, replace the SUB INK TANK UNIT R. Abnormal operation Replace the SUB INK TANK UNIT R.

• Code: EC34 2605
• Description: Timeout error of right agitation valve drive (support number : 4801)
• Causes: The agitation valve does not complete driving within the scheduled time.
• Remedy: 1 Perform [DIAGNOSIS > I/O DISPLAY] to check the RIGHT CHOKE VALVE POSITION SENSOR operation. Proper operation Reboot and recheck the operation. When the printer does not recover, drive system overload is suspected. In this case, replace the SUB INK TANK UNIT R. Abnormal operation Replace the SUB INK TANK UNIT R.

• Code: EC34 2F3B
• Description: Right ink valve motor error (support number : 4801)
• Causes: Encoder value of the right ink valve motor is not detected.
• Remedy: 1 Replace the SUB INK TANK UNIT R.

• Code: EC35 2603
• Description: Timeout error of left choke valve drive (support number : 4801)
• Causes: The choke valve does not complete driving within the scheduled time.
• Remedy: 1 Perform [DIAGNOSIS > I/O DISPLAY] to check the LEFT CHOKE VALVE POSITION SENSOR operation. Proper operation Reboot and recheck the operation. When the printer does not recover, drive system overload is suspected. In this case, replace the SUB INK TANK UNIT L. Abnormal operation Replace the SUB INK TANK UNIT L.

• Code: EC35 2606
• Description: Timeout error of left agitation valve drive (support number : 4801)
• Causes: The agitation valve does not complete driving within the scheduled time.
• Remedy: 1 Perform [DIAGNOSIS > I/O DISPLAY] to check the LEFT CHOKE VALVE POSITION SENSOR operation. Proper operation Reboot and recheck the operation. When the printer does not recover, drive system overload is suspected. In this case, replace the SUB INK TANK UNIT L. Abnormal operation Replace the SUB INK TANK UNIT L.

• Code: EC35 2F3C
• Description: Left ink valve motor error (support number : 4801)
• Causes: Encoder value of the left ink valve motor is not detected.
• Remedy: 1 Replace the SUB INK TANK UNIT L.

• Code: EC3F 2F40
• Description: Complete non-ejection in all colors or non-ejection detection error at ink filling (support number : 1492)
• Causes: Complete non-ejection in all colors or insufficient ink filling into the print head is detected through non-ejection detection.
• Remedy: Check the items below. a) Foreign substances such as paper debris around HEAD MANAGEMENT SENSOR UNIT. b) Tubes are filled by ink. c) SIX-RING RUBBER CHAIN is attached properly. (when this error occurs after TUBE UNIT replacement). improper attachment No foreign substances and ink is filled Go to 2*. Foreign substances are adhering, tubes are not filled by ink, or parts are improperly attached. a) Remove the foreign substance. b) Go to 3. c) Correct the SIX-RING RUBBER CHAIN attachment position. * There is little possibility of print head contact failure factor (because print head contact failure is checked 2 Check the items below. a) Printability of the service nozzle check pattern. b) Perform [DIAGNOSIS > CR_SYSTEM_CHECK] to check broken wires of FLEXIBLE CABLE UNIT. Printable without broken wires Replace HEAD MANAGEMENT SENSOR UNIT. Not printable or broken wires a) Replace the print head. b) Replace the FLEXIBLE CABLE UNIT.by the automatic diagnosis at print head installation or before performing non-ejection detection). 3 Perform [DIAGNOSIS>PURGE CHECK>PRESSURE CHECK] to check vacuum operation of PURGE UNIT. Proper operation Go to 4. Abnormal operation Replace the PURGE UNIT. 4 Replace the TUBE UNIT. The problem is resolved Complete. The problem is not resolved Replace the sub tank unit, the SUB INK TANK UNIT L or the SUB INK TANK UNIT R, of the color that ink has not been filled.