Troubleshoot skewed label alignment on Citizen CL-S621 printers. Diagnostic steps focus on external factors. No internal hardware modifications permitted.
Different labels can react differently to temperature, humidity, and sensor reading. A mismatch or low-quality label stock could also cause issues.
Physical shock can dislodge components or affect sensor alignment.
Outdated firmware can contain bugs that affect print alignment.
Skewed printing is often related to inconsistent media feed mechanics. This can stem from variations in motor speed, sensor miscalibration, or variations in label roll tension. Static discharge (ESD) during dry conditions can interfere with sensor readings.
Labels print with a noticeable angular deviation from the intended horizontal or vertical axis.
To prevent electrical shock, always disconnect the power cable before cleaning the printer. Avoid using excessive force when manipulating the label roll or other components. Ensure the power cable is in good condition. Be aware of ESD, especially in dry environments. Do not use flammable cleaning agents.
Some Citizen printers have a 'label registration' or 'vertical position' adjustment in the printer's menu (accessible via the control panel). Fine-tuning this setting can compensate for minor skew issues without requiring extensive troubleshooting. Refer to the user manual for precise location of settings.