During xTool Apparel Printer operation, you may receive an error message stating "Bump exceptions". This message may appear as a pop-up window in xTool Creative Space (XCS) software or directly on xTool Apparel Printer's LCD panel. The error indicates that the system is unable to correctly detect the encoder strip.
Please identify which scenario best describes when the error occurred.
If this error appears while you are setting up your device for the very first time:
Complete the Initial Configuration
Recalibrate the System
In xTool Creative Space software:
Device settings > Calibration > Automatic calibration
If you know the error appeared immediately after accidentally bumping or knocking the printer, AND you have confirmed the print carriage is not jammed against the PET film:
If the error occurs during a print task, or repeats without an obvious accidental bump, follow these steps:

If the print head jams the film, you may also receive a "Film hole detection error" message.
Check for Print Head Jamming
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Carriage Reset & Device Reboot

Perform Standard Print Head Auto-Cleaning

After Cleaning
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*To request a replacement, please contact xTool Customer Service by submitting a request in the Help Ticket section below. Select Buy after-sales materials under the After-sales Issue tab to place your replacement order.
Improper film loading can cause jams that trigger the bump sensor.


Video Reference: For visual guidance on proper PET film adjustment, refer to the video tutorial: Replace the Brackets & Adjust the Ball Bearings on xTool Apparel Printer
- Specific section: 1:20-1:40 minutes
If the guide plates are correctly positioned, proceed to Step 5.

Should the issue persist after completing the preceding steps, submit a ticket via the "Submit a Ticket" button in the "Help Ticket" section below. The standard response time for xTool Customer Service is one business day.
For a prompt resolution, please include the following details:
This information is crucial for xTool technical support engineers to provide timely assistance.
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