Common Causes of MY-380 Ink Roll Rotation Failure in Coding Machines

Common Causes of MY-380 Ink Roll Rotation Failure in Ink Jet Marking Machines

The MY-380 ink roll marking machine is widely used for product coding and labeling. However, users may occasionally encounter issues where the ink wheel fails to rotate, leading to incomplete or faint markings. Below are the primary reasons for this problem and potential solutions.  

1. Ink Roll Jam or Obstruction

  - Dust, dried ink, or debris can accumulate on the ink wheel shaft, preventing smooth rotation.  

  - Solution: Clean the wheel and shaft with a soft cloth and isopropyl alcohol. Ensure no foreign particles block movement.  

2. Worn or Damaged Gears

  - Over time, the gears driving the ink wheel may wear out or break, especially with heavy usage.  

  - Solution: Inspect the gears for damage and replace them if necessary. Lubricate moving parts to reduce friction.  

3. Loose or Misaligned Drive Belt  

  - If the belt connecting the motor to the ink wheel is loose, stretched, or misaligned, rotation may be inconsistent or stop entirely.  

  - Solution: Adjust belt tension or replace it if worn. Ensure proper alignment between pulleys.  

4. Motor Malfunction

  - A faulty stepper motor or driver circuit can prevent the ink wheel from receiving power.  

  - Solution: Test the motor with a multimeter. Replace the motor or driver board if defective.  

5. Incorrect Pressure Settings  

  - Excessive pressure on the ink wheel (e.g., from the print head) can hinder rotation.  

  - Solution: Adjust the pressure mechanism according to the manufacturer’s guidelines.  

6. Frozen Ink or Low Temperature

  - In cold environments, ink may thicken or solidify, increasing resistance on the wheel.  

  - Solution: Store ink cartridges at recommended temperatures and preheat the machine if needed.  

7. Electrical or Control Board Issues

  - Faulty sensors, wiring, or control board errors can disrupt signals to the motor.  

  - Solution:  Check connections and reset the control board. Update firmware if applicable.  

Preventive Measures  

- Regularly clean and maintain the ink wheel mechanism.  

- Use high-quality ink to reduce residue buildup.  

- Follow the manufacturer’s operational guidelines to avoid undue stress on components.  

By diagnosing these common issues, users can restore proper functionality to the MY-380 ink roll marking machine and ensure consistent print quality.