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-   -   Clogged Damper (https://www.t-shirtforums.com/neoflex/t193642.html)

The Sandbox July 21st, 2012 07:33 AM

Clogged Damper
 
I am switching from Dual CMYK to CMYK + White. I am in the process of flushing all of the lines with cleaning solution, but I have a stuck/clogged damper. I cannot draw any ink from the lines or cleaning solution from the cartridge. There seems to be a reverse suction when I try to pull the ink through the syringe. All other 3 lines flushed with no issue.

How can I fix this? Can I release the pressure/air from the line? Reverse flush? I cannot seem to find any information on removing/cleaning/changing the damper.

Thanks and any advice is appreciated.

Stitch-Up July 21st, 2012 07:41 AM

Re: Clogged Damper
 
The easiest solution would be to replace the damper. Always keep at least 8 in stock.

The Sandbox July 21st, 2012 07:44 AM

Re: Clogged Damper
 
Is there a video anywhere on how to replace the damper? If no video, are there instructions posted anywhere on how to remove/replace damper? I "think" I can see how it could be changed, but I don't want to change it without know for sure.

allamerican-aeoon July 21st, 2012 07:46 AM

Re: Clogged Damper
 
Damper is very delicate valve. Any excess pressure it will damage:(
Best way is get another Printer to switch around. I know $$$$ but~.
As john said, your dampers have to be changed. Even they are not damaged CYMK color damper is not recommend to white ink.
Cheer! Beers are on me always.

Stitch-Up July 21st, 2012 08:00 AM

Re: Clogged Damper
 
Quote:

Originally Posted by The Sandbox (Post 1140253)
Is there a video anywhere on how to replace the damper?

I think I have a video for everything :D :D :D

Please remember, I make these videos for my own use so they aren't of professional quality.

Changing a damper is really easy, when you know how. I don't remove the printhead as in the video, I just lift it off the dampers and flip it out the way.


Make sure you draw ink into the damper (prime it) before you reassemble.

John

The Sandbox July 21st, 2012 08:33 AM

Re: Clogged Damper
 
Quote:

Originally Posted by Stitch-Up (Post 1140258)
I think I have a video for everything :D :D :D

Please remember, I make these videos for my own use so they aren't of professional quality.

Changing a damper is really easy, when you know how. I don't remove the printhead as in the video, I just lift it off the dampers and flip it out the way.


Make sure you draw ink into the damper (prime it) before you reassemble.

John

Perfect. That's exactly what I needed to see. Removing the little metal bar was my concern.

Spare dampers will be ordered later today.

Thanks.

ywane July 22nd, 2012 02:04 PM

Re: Clogged Damper
 
hi all, what is diferent printing result (white) using damper or without damper? if no diferent why not removed:rolleyes::D

Stitch-Up July 22nd, 2012 10:09 PM

Re: Clogged Damper
 
Quote:

Originally Posted by ywane (Post 1140751)
hi all, what is diferent printing result (white) using damper or without damper? if no diferent why not removed:rolleyes::D

Do you plan on providing the answer? :D

Epson fitted dampers for a reason and I don't plan on modifying my printer to find out.

Anyone?

ywane July 22nd, 2012 11:48 PM

Re: Clogged Damper
 
thanks john, off course removed damper its not recomended for epson large series (R4880,R7900,R8600 etc), i only ask A3 series (R1400-R2200) because this unit not came with damper but many people modified with damper :D

13 Stitches February 27th, 2013 04:40 PM

Re: Clogged Damper
 
Quote:

Originally Posted by Stitch-Up (Post 1140258)
I think I have a video for everything :D :D :D

Please remember, I make these videos for my own use so they aren't of professional quality.

Changing a damper is really easy, when you know how. I don't remove the printhead as in the video, I just lift it off the dampers and flip it out the way.


Make sure you draw ink into the damper (prime it) before you reassemble.

John

John,
AA told us we didn't have prime it-we could use simple cleans. Well, that is not working, after we have it all assembled of course. So I assume you just put the syringe in and draw the ink? We did two F2 instead of simple cleans and there is no ink coming out.

Stitch-Up February 27th, 2013 10:07 PM

Re: Clogged Damper
 
Whenever I replace a damper, I always draw the ink through using a syringe, it's a very simple process.

23spiderman February 27th, 2013 10:12 PM

Re: Clogged Damper
 
i've found that priming works the best. you don't have to pull a lot of ink, just enough to see it in your syringe. after priming, 1 or 2 head cleans does the trick. lately i have found it best to do this at the end of the day so the printer "rests" overnight. this allows the auto-maintenance to kick in and slowly get all the ink flowing. by morning, it's ready to go. i have some white jobs to print this Friday. so i'll load the white ink Thursday evening, and it will be ready to go first thing Friday morning. this eliminates the stress of me standing over my printer waiting for my nozzle checks to get right.

Stitch-Up February 27th, 2013 10:14 PM

Re: Clogged Damper
 
It's amazing how a little patience achieves so much :)

23spiderman February 27th, 2013 10:16 PM

Re: Clogged Damper
 
yes! you are so correct! i'm sure you and i have learned this the hard way. :)

Stitch-Up February 28th, 2013 08:45 AM

Re: Clogged Damper
 
Quote:

Originally Posted by 23spiderman (Post 1245882)
yes! you are so correct! i'm sure you and i have learned this the hard way. :)

Of that, there's little doubt :)

Has anyone tried cleaning a clogged damper in one of those small ultrasonic cleaners? Would be interested to hear :D


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