xTool Internal Humidity Module for Apparel Printer Safety First (Important)
Updated Aug 4,2026
Updated Aug 4,2026

Before using this humidity module, please read and observe the following safety guidelines carefully. This humidity module is specially designed for xTool Apparel Printer / xTool Apparel Printer Plus. It uses ultrasonic and cold evaporation technology to increase the humidity in the processing area inside the Direct-to-Film (DTF) printer. Proper use can significantly improve DTF print quality, but improper operation may cause serious damage to the equipment.

This humidity module is exclusively for internal use in xTool printing series products and is classified as an ITE accessory.

Water quality and environmental requirements

  • Always use clean tap water

- If local tap water tends to produce white scale deposits, it is recommended to use treated or softened water.

- Do not use purified water or distilled water, as this may affect the humidity module's mist output.

- Water with high levels of impurities or scale can clog the atomizer components and reduce humidification performance.

  • Humidity control:

- When the relative humidity is below 50%, it is recommended to turn on this humidity module.

- When the relative humidity is above 70%, it is strongly recommended to turn off this humidity module.

  • Do NOT use the device in flammable, explosive, or high-dust environments.

Electrical safety

  • Use only the original power adapter. Do not use third-party adapters to prevent damage to the power supply or the print head.
  • Do not place the power cord in high-temperature, humid, or high-traffic areas where it may be stepped on.
  • Do not disassemble or repair the device yourself in case of malfunction.
  • Do not tilt the device, as this may cause water from the tank to spill and create a risk of electric shock or leakage.
  • Before refilling water, replacing the wick filter pad, or cleaning the mist chamber, always disconnect the device from the power supply. Never plug or unplug the power cord with wet hands.
  • When refilling water, remove only the water tank. Do not remove the entire unit. Ensure the water tank is moved away from the printer's working area. Never refill water above the printer to prevent liquid from dripping into the machine and causing a short circuit.

Device safety

  • When the humidity module is installed inside the printer, keep it level to prevent liquid from leaking into electrical components. If any leakage occurs, wipe it dry immediately.
  • When removing or installing the water tank, check the bottom of the tank for any liquid leakage and wipe it dry. Install the tank slowly and carefully to avoid splashing.
  • If the humidity module will not be used for an extended period, completely empty the water tank, wipe the interior thoroughly dry, and store it properly to prevent bacterial growth.
  • Do not operate the device without water (dry running).
  • Do not tilt or move the humidity module while it contains water, as this may cause leakage.

User safety

  • Never add fragrances, essential oils, disinfectants, or any other chemicals to the water tank.
  • Do not touch the water tank, air inlet, or air outlet while the device is operating to avoid the risk of electric shock.
  • Keep children and pets away from the device.
  • Do not insert fingers or foreign objects into the air inlet, air intake fan, or air outlet to prevent injury or damage to the fan blades.

Usage and maintenance

  • Replace the wick filter pad regularly. For details, refer to the Quick Start Guide. Ensure the device is dry before performing any maintenance.
  • If hot-melt adhesive powder enters the humidity module, remove the mist chamber cover and thoroughly clean the inside of the mist chamber with a non-woven cloth.

Tip: Proper use of the humidifier can significantly improve DTF print quality. However, excessive humidity may cause condensation on the print head. Please adjust the humidification level gradually according to the actual ambient humidity.

Emergency procedures

  • If the humidity module leaks and water flows into the DTF printer, immediately disconnect the power to both the printer and the humidifier. Do not power on the devices again until all water has been completely removed and all components are thoroughly dry.
  • If you notice a strange noise, burning smell, smoke, abnormal indicator lights, or abnormal temperature during operation, immediately disconnect the power and stop using the device. Do not attempt to disassemble or repair it yourself. Please contact xTool Customer Service immediately for assistance.
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