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Old 08-31-2014, 07:14 AM
UpsideDown
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Default New stamp not printing well?

When a stamp is made there is some sort of mold release on the die that makes the stamp image. I have no idea what it is but sometimes it looks a bit shiny or feels greasy.

What I do is test stamp then clean the stamp really well. For some reason this works better then just cleaning it. If the stamp is still funky I use a little liquid Dawn dish soap on a sponge then rinse really well.

Obviously this will not fix a stamp that is defective. Areas of a stamp that will not print might be because of this grease (or whatever it is) but this is usually due to that area of the stamp not being parallel with the rest of the image. You might be able to compensate by stamping and putting more pressure on the stamp.
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Old 09-01-2014, 05:08 AM
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Large companies use a release similar to Pam on their molds so the rubber will release easily... if the rubber isn't holding the ink, rubbing it with an emery board will rough it up enough to hold the ink.
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Old 09-01-2014, 03:38 PM
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I use an eraser and go over the whole stamp with it, then wash it with the Dawn mix that you mentioned UpsideDown. When that hasn't worked, I've gone to the emery board.
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Old 09-01-2014, 11:44 PM
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What kind of eraser?
Does the sandpaper/emery board cause feathering or anything?
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Old 09-02-2014, 06:15 AM
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Rubber stamps are little peaks and valleys and absorb the ink whereas, polymer stamps are flat and don't absorb ink as well... it pools. By rubbing the solid areas with an emery board, you open up the peaks and valleys... just use it lightly and if it still doesn't stamp perfectly, rub it some more... you really can't hurt the rubber unless you go nuts with it.
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Old 09-02-2014, 10:40 AM
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I don't know about any stamp making residue. I have not bought a stamp with any information or warnings, so I do nothing to "condition" them.
If I were to sand them I would use a regular brown paper bag folded rather than wadded. It's what I use between coats of paint on my projects.
When stamping I use a dense foam mat I bought at Mike's.
If using a rubber stamp, I let the stamp set about 10 seconds to allow it to release. Why does it matter? No clue, but it works for me.
For large stamps, use a block of wood on top of the stamp to get even pressure. I use another stamps back.
I store my stamps rubber side up. Some stamps are not really balanced to set flat on the rubber. If you store them rubber side down there could be more compression on one area, then when you do use the stamp, you could have a problem. If you have a lot of stamps you are not using them every day or even every year ... we all have stamps we used once and some never, so think long term storage ... or purging.
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Old 09-02-2014, 03:50 PM
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I found just stamping then cleaning, then they work fine. Tim Holtz stamps them and leaves the ink on to condition them.
I stamp all my new stamps in a small journal to keep track of what I own, I was buying some over and over till I started the journal. Then I clean the stamp and put it away.
When I go to use the stamp it works fine. So whatever is on the stamp at first gets removed with the first inking and cleaning. I have noticed that the first stamping is usually terrible, but it is on lined paper and just for my use, so it doesn't matter.
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Old 09-10-2014, 11:31 AM
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Unmounted a stamp can help too. I've had stamps that I could not get a good image because the wood block was slightly warped. Even if I put fun foam under it, couldn't get a good image till I unmounted it and put it on EZMount.
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Old 09-10-2014, 10:34 PM
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Bad mounts are always a pain. I've had bad rubber, too. But quality vendors don't let this happen -- they will replace or refund without question. I am planning on playing around with Ranger's Ink Pad Refresher I posted about elsewhere -- it's the wet stuff in ink pads and should do stuff for old or abused stamps.
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Old 09-14-2014, 05:41 AM
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Quote:
Originally Posted by UpsideDown View Post
What kind of eraser?
Does the sandpaper/emery board cause feathering or anything?
I use a white kneaded eraser to do this with.
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