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WATCH your HUMIDITY and TEMPERATURE

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  • WATCH your HUMIDITY and TEMPERATURE

    Environment
    When there is more moisture in the air, the ink dries less quickly.
    DTG printers require a defined environment that’s far different than most garment-decorating technologies. These printers need to be in a controlled-temperature, office-like environment, with a minimum of 40% humidity. Some decorators assume if they are not experiencing clogging issues, their temperature and humidity level are fine.

    In reality, a low-humidity environment will cause the print head to overheat. It cools by forcing the water from the DTG ink through the head. Thus, low humidity costs you in ink and time lost during the head-cleaning process.

    The last step in quality control with most garment-decoration methods is the wash test. Nothing will tell you more about a quality print and cure than washing. Periodically print an additional shirt during production and wash it. If you have pretreatment or curing issues, it will be apparent in just one wash.

    Quality control is important to any decoration method. With DTG printing, quality is judged by the final print, presentation and washability. In addition, consistent prints from shirt to shirt constitute a unique factor in DTG decoration.


    DTGPRO HUMIDITY SENSOR

    The Ideal Relative Humidity Range for DTG and Inkjet Printing. For direct to garment and inkjet printing, the humidity range you want to target is 45%-60% RH.
    Wll help prevent the inks from drying, preventing nozzle clogs in your printhead.

    Still see too many dtg printer owners not fully aware of just how important the proper humidity level is to the functioning of their machines.

    Every brand of digital garment printers work best at a humidity level of about 50%. It's one of the most important factors in keeping your printer running well. It's the cold (very, very COLD) season in many parts of the country and we're all cranking up our heating systems to stay warm. The unintended consequence of that heated air is having a low to no humidity level in your building.

    You WILL have printing problems if you let the humidity level drop too low. This is the time to invest some money (very little) in a humidity gauge (hygrometer) to measure the humidity in your printer room. Digital ones can be found for $10 to $20. Also purchase a humidifier - room size units run around $150 at Home Depot, Lowes, Sears, etc. (make sure it's an evaporative type - NOT a mist type). Use both to make sure you have proper humidity (24 hours a day, 7 days a week) in your work space and you should be trouble free. If you haven't done so already you will be surprised how big a difference it makes.

    To be safe
    You should try not to go lower then 50% humidity. A 50-70% range is fine. If it is too humid then you may need a longer drying time when heat pressing the shirts.

    You need to be careful in a high humidity areas. In many cases the space the printer is kept in is air conditioned. One of the things air conditioning does is remove moisture.
    I have seen instances where it's 85% humidity outside but inside with heavy air conditioning the humidity level is at 30%.

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