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Clogged Damper

 
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Old July 21st, 2012 Jul 21, 2012 7:33:57 AM -   #1 (permalink)
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Default 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.
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Old July 21st, 2012 Jul 21, 2012 7:41:15 AM -   #2 (permalink)
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Default Re: Clogged Damper

The easiest solution would be to replace the damper. Always keep at least 8 in stock.
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Old July 21st, 2012 Jul 21, 2012 7:44:19 AM -   #3 (permalink)
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Default 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.
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Old July 21st, 2012 Jul 21, 2012 7:46:35 AM -   #4 (permalink)
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Default 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.
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Old July 21st, 2012 Jul 21, 2012 8:00:42 AM -   #5 (permalink)
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Default Re: Clogged Damper

Quote:
Originally Posted by The Sandbox
Is there a video anywhere on how to replace the damper?
I think I have a video for everything

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
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Old July 21st, 2012 Jul 21, 2012 8:33:30 AM -   #6 (permalink)
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Default Re: Clogged Damper

Quote:
Originally Posted by Stitch-Up
I think I have a video for everything

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.
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Old July 22nd, 2012 Jul 22, 2012 2:04:22 PM -   #7 (permalink)
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Default Re: Clogged Damper

hi all, what is diferent printing result (white) using damper or without damper? if no diferent why not removed
 
Old July 22nd, 2012 Jul 22, 2012 10:09:04 PM -   #8 (permalink)
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Default Re: Clogged Damper

Quote:
Originally Posted by ywane
hi all, what is diferent printing result (white) using damper or without damper? if no diferent why not removed
Do you plan on providing the answer?

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

Anyone?
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Old July 22nd, 2012 Jul 22, 2012 11:48:33 PM -   #9 (permalink)
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Default 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

Last edited by ywane; July 23rd, 2012 at 03:32 AM..
 
Old February 27th, 2013 Feb 27, 2013 4:40:49 PM -   #10 (permalink)
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Default Re: Clogged Damper

Quote:
Originally Posted by Stitch-Up
I think I have a video for everything

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.
 
Old February 27th, 2013 Feb 27, 2013 10:07:42 PM -   #11 (permalink)
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Default Re: Clogged Damper

Whenever I replace a damper, I always draw the ink through using a syringe, it's a very simple process.
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Old February 27th, 2013 Feb 27, 2013 10:12:43 PM -   #12 (permalink)
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Default 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.
 
Old February 27th, 2013 Feb 27, 2013 10:14:57 PM -   #13 (permalink)
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Default Re: Clogged Damper

It's amazing how a little patience achieves so much
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Old February 27th, 2013 Feb 27, 2013 10:16:40 PM -   #14 (permalink)
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Default Re: Clogged Damper

yes! you are so correct! i'm sure you and i have learned this the hard way.
 
Old February 28th, 2013 Feb 28, 2013 8:45:43 AM -   #15 (permalink)
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Default Re: Clogged Damper

Quote:
Originally Posted by 23spiderman
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
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