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WATCH Your Humidity Level

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Old December 3rd, 2019 Dec 3, 2019 6:15:57 AM -   #1 (permalink)
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Default WATCH Your Humidity Level

Just a reminder of one of the most important factors to keep your printer running well. It's the 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. Every brand of digital garment printers work best at a humidity level of 40% to 70% (50% is an optimal level).

You may create 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 $100 at Home Depot, Lowes, Amazon, etc. (make sure it's an evaporative type - NOT a mist type). Use both to make sure you have proper humidity in your work space and you should have a trouble free winter.

This also holds true throughout the year in dry climates such as Arizona with "zero" humidity. Avoid problems - humidify to proper levels.

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Old December 5th, 2019 Dec 5, 2019 8:29:19 AM -   #2 (permalink)
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Default Re: WATCH Your Humidity Level

Quote:
Originally Posted by equipmentzone
Just a reminder of one of the most important factors to keep your printer running well. It's the 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. Every brand of digital garment printers work best at a humidity level of 40% to 70% (50% is an optimal level).

You may create 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 $100 at Home Depot, Lowes, Amazon, etc. (make sure it's an evaporative type - NOT a mist type). Use both to make sure you have proper humidity in your work space and you should have a trouble free winter.

This also holds true throughout the year in dry climates such as Arizona with "zero" humidity. Avoid problems - humidify to proper levels.

_


Here is a link to a large output humidifier that we recommend:

https://www.homedepot.com/p/AIRCARE-...-900/204765468

_
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Old December 5th, 2019 Dec 5, 2019 10:34:22 AM -   #3 (permalink)
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Default Re: WATCH Your Humidity Level

As someone new to the DTG game, having trouble with some initial prints, here in Arizona during the winter (hey, the perfect storm!!!)...

What would be the impact of low humidity on the equipment/print quality? I'm wondering if this is the issue I'm seeing or if I'm chasing a different ghost in my setup/process.
 
 
Old December 5th, 2019 Dec 5, 2019 11:32:48 PM -   #4 (permalink)
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Default Re: WATCH Your Humidity Level

Hello there, I hope you doing well today!

Id like to collaborate with a few comments on the question above.
I would say that the main issue with the environmental conditions would be the changes in the properties of the inks. Especially the white ink.

In a very simplified way: when is too cold/too dry the inks get thicker, resulting in loss of jetability and "clogged" printheads. My solution in here when is too cold; I place heat mats (these are small electric heat units normally used to warm up pets houses) under the ink barrels. I used to work with 20 litres barrels of ink. Also, I place styrofoam boards underneath the ink barrels. Printroom temperature-controlled to range from 20°C to 24°C

When the situation is the contrary: too hot. In this scenario, the inks can get very thin and the adjustments for good printing are quite unstable. The humidifiers are used and positioned in a way they are blowing the mist directly to the printing area of the carriage. The AC is keeping the temperature inside the tolerances mentioned above as well.

And I use a digital wheater station to monitor the environmental conditions of the print room all the time. I like the NetAtmo equipment.

I hope to have helped a little. All the best and good printing!
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Old December 8th, 2019 Dec 8, 2019 9:51:02 AM -   #5 (permalink)
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Default Re: WATCH Your Humidity Level

Quote:
Originally Posted by nemmert79
As someone new to the DTG game, having trouble with some initial prints, here in Arizona during the winter (hey, the perfect storm!!!)...

What would be the impact of low humidity on the equipment/print quality? I'm wondering if this is the issue I'm seeing or if I'm chasing a different ghost in my setup/process.


All direct to garment ink is water based. If you have a low humidity level in the space the printer is in the water in the ink can evaporate. Even a slight amount of evaporation can create issues with the ink flow through the printer. Your issue would be with too little humidity. Arizona normally has little to no humidity in most areas of the state. Our demo center in Phoenix, for example, has a humidifier running to keep it at a good humidity level. In any event you should have humidifiers running 24/7 in your space and a humidity gauge to make sure it's at a good level.

_
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