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Humidity, humdity, humidity!

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Old January 26th, 2014 Jan 26, 2014 2:46:37 PM -   #1 (permalink)
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Default Humidity, humdity, humidity!

At this point most dtg printer owners should hopefully know how important the proper humidity level is to the functioning of their machines. But our support department continues to get calls from owners of all different brands who had no idea.

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.

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Last edited by equipmentzone; January 26th, 2014 at 05:23 PM..
 
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Old May 11th, 2014 May 11, 2014 6:58:13 AM -   #2 (permalink)
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Default Re: Humidity, humdity, humidity!

I continue to have issues with humidity here in dry New Mexico. Even in a humidified 150sq ft. room at 50% and above I have problems. How is it possible I can go to shows like ISS and see venders use their machines all day in an uncontrolled environment and they get good results? Is there some kind of conspiracy going on?
 
Old May 11th, 2014 May 11, 2014 7:29:59 AM -   #3 (permalink)
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Default Re: Humidity, humdity, humidity!

Are you keeping the room at 50% humidity 24 / 7?
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Old May 11th, 2014 May 11, 2014 7:57:35 AM -   #4 (permalink)
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Default Re: Humidity, humdity, humidity!

Thanks for the reply Harry. Yes I am. I'm doing everything I should be doing. Again, if this is so critical, how can venders print in a giant convention space and not have problems. Even when I'm printing and ink is flowing I'll get head clogging. All parts are new including head and I'm using brand ink etc.

Robert
 
Old May 11th, 2014 May 11, 2014 8:19:02 AM -   #5 (permalink)
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Default Re: Humidity, humdity, humidity!

Quote:
Originally Posted by equipmentzone
Every brand of digital garment printers work best at a humidity level of about 50%.
_
What are the thoughts of places where humidity is about 80% to 90% 24/7?

Where I live we get rain every day and the humidity is in very high levels.
 
Old May 11th, 2014 May 11, 2014 8:42:47 AM -   #6 (permalink)
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Default Re: Humidity, humdity, humidity!

If I have to run a machine in 80 to 90 percent humidity then I'm in the wrong business.
 
Old May 11th, 2014 May 11, 2014 8:46:08 AM -   #7 (permalink)
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Default Re: Humidity, humdity, humidity!

You can have too high a humidity level. Too high will also affect your heat pressing time as you are drying off more moisture.
 
Old May 11th, 2014 May 11, 2014 9:09:05 AM -   #8 (permalink)
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Default Re: Humidity, humdity, humidity!

Sounds like more than a humidity issue.
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Old May 11th, 2014 May 11, 2014 11:52:30 AM -   #9 (permalink)
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Default Re: Humidity, humdity, humidity!

Could be Randy but I've replaced every part possible that has to do with head clogging. Next up may be a baseball bat.
 
Old May 11th, 2014 May 11, 2014 11:59:01 AM -   #10 (permalink)
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Default Re: Humidity, humdity, humidity!

check the lines and dampers also. Humidity is ideal @ 50% on the older print engines. The new Epson print engines with a pressurized ink delivery system are much more forgiving. Im in the Chicago area and we use forced air gas heat in the winter which is horrid printing conditions regarding humidity! I previously ran a humidifier and put a pot of water on a hot plate to keep humidity up for the older print engine style. I don't have to do any humidity control with the new print engines. The pressurized ink system keeps flow to the head and makes a world of difference compared to gravity feed systems, no more fighting with ink flow and nozzle drop out, nozzle checks are good even after sitting idle for extended periods,its the future of these machines Imho, no doubt!! ... Maybe someone will come up with a retrofit pressure system for the older print engines. Epson has proven this works well on there new models!! There is even a dtg manufacturer advertising 30 day idle with this system.. best of luck on getting to the root of the issue..
 
Old May 11th, 2014 May 11, 2014 12:10:07 PM -   #11 (permalink)
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Default Re: Humidity, humdity, humidity!

Jeff,

Thanks for the detailed information. I'm pretty familiar with everything you mentioned. I have a 2009 Sprint and drop out is common. I can literally be doing a job, stop for 15 minutes and have head clogging.
I saw the European printer you are referring to at ISS Long Beach. They didn't seem quite together yet but I feel they will. It seemed more like they didn't have their distribution set up yet. But what a crazy concept to have a machine that works more than it doesn't work.

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Old May 11th, 2014 May 11, 2014 12:20:01 PM -   #12 (permalink)
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Default Re: Humidity, humdity, humidity!

I think as more of the new print engines get in the hands of end-users, it will change the face and opinion of dtg printing for the better. We use the r3000 print engine with the pressurized ink system and I cant even begin to explain the difference. I suspect this across the board on all the pressurized print engines.. Epson knows there stuff
 
Old May 11th, 2014 May 11, 2014 12:24:54 PM -   #13 (permalink)
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Default Re: Humidity, humdity, humidity!

also check the needles where the carts plug in to make sure there flowing and clean..
 
Old May 11th, 2014 May 11, 2014 12:39:58 PM -   #14 (permalink)
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Default Re: Humidity, humdity, humidity!

I have done that as well. Seriously, I don't think I've missed anything. The pressurized point seems very viable.
 
Old May 11th, 2014 May 11, 2014 12:42:35 PM -   #15 (permalink)
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Default Re: Humidity, humdity, humidity!

Did you change capping assembly?

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