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QR code labeling machines may experience print offset during continuous operation, causing misalignment, edge overflow, or poor scanability. Accurate troubleshooting requires checking formatting, media alignment, print offset parameters, and labeling timing.

1. Verify the template formatting

Formatting issues are one of the most common causes of offset.

Steps:

Check QR code coordinates inside the label software

Ensure the object fits the printable area

Fine-tune X/Y offset values

Test print after each adjustment

2. Confirm media alignment and sensor calibration

Misaligned media affects the printer’s detection baseline.

Steps:

Check if labels run straight

Ensure guides are tightened

Clean the gap/mark sensor

Perform label auto-calibration

3. Adjust X/Y print offset inside the printer

Used when structure is normal but baseline is shifted.

Steps:

Locate X-Offset and Y-Offset in the menu

Adjust in 0.1mm increments

Test until QR code is centered

4. Adjust labeling delay to prevent placement deviation

Correct printing may still lead to wrong placement if timing is off.

Steps:

Observe applicator timing

Adjust “Label Delay” in small increments

Re-test until placement matches the target position

Check vacuum pickup/blow-on consistency

5. Confirm printing speed and conveyor speed are synchronized

Speed mismatch causes irregular offset.

Check:

Conveyor speed synchronization

Encoder stability

Correct sync mode

Most offset problems can be resolved by systematic adjustments to format, media feeding, print offset parameters, and labeling timing. If the root cause remains unclear after troubleshooting, it is recommended to contact the manufacturer’s service team for timely support. Hangzhou Beajet Digital Technology Co., Ltd. can provide expert diagnostics and optimization to ensure long-term stable labeling performance.