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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: sci.electronics.repair
Subject: Re: HP printer trouble
Date: Sun, 20 Apr 2025 21:00:07 +0200
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On 2025-04-20 02:52, Jeff Liebermann wrote:
> On Sun, 20 Apr 2025 01:38:50 +0200, "Carlos E.R."
> <robin_listas@es.invalid> wrote:
> 
>> On 2025-04-19 23:29, Jeff Liebermann wrote:
>>> On Thu, 17 Apr 2025 22:11:20 +0100, Jeff Layman <Jeff@invalid.invalid>
>>> wrote:
>>>
>>>> You could try that tonerbuzz tip of soaking the centre of a sheet of
>>>> paper with alcohol and running it a few times through the printer. No
>>>> disassembly required.
>>>
>>> No.  Not alcohol.  What makes rubber useful is that it is ductile
>>> (easily stretched without breaking or lowering in material strength).
>>> If you "wash" rubber with alcohol, the oils that give rubber its
>>> ductile nature will evaporate, cause the rubber to dry out, and
>>> eventually make it hard as a rock.  Gasoline does the same thing to
>>> fuel lines but takes years for the rubber to harden.
>>>
>>> If you want to use chemistry instead of just replacing the part, I
>>> suggest some made for the purpose:
>>> <https://www.google.com/search?q=printer%20rubber%20roller%20restorer&udm=2>
>>> For example:
>>> <https://www.precisionroller.com/category/rubber-rejuvenators.htm>
>>> I stuff I use is ancient and no longer sold.  It's 70% xylene (banned
>>> in California) and 30% wintergreen oil (methyl salicylate).  The
>>> xylene causes the pores in the rubber to enlarge.  The oil fills the
>>> pores.  The xylene evaporates at a moderately fast rate, leaving the
>>> oil behind inside the rubber roller.  As long as the rubber isn't
>>> damaged or polished smooth, the rejuvenated rubber should last a few
>>> years (not as long as new rubber).
>>
>> If I search "Rubber Rejuvenators" in Amazon.es, I get products for the
>> car instead.
>>
>> [...]
>>
>> Got one, but it is "not available".
>> <https://www.amazon.es/dp/B0BL85QPZC>. It is the only one Google finds.
>>
>> Got another, from the first link you posted, also not available:
>> <https://www.amazon.es/dp/B001AYVSCO>
>>
>>
>> Searching for the translated term in google instead "limpiador rodillo
>> de impresora"... finally, found something that does ship, although not
>>from Amazon:
>>
>> <https://www.amazon.es/Ewent-EW5617-Pulverizador-Limpieza-Transparente/dp/B07FYT8CF4>
>>
>> Gosh, handling and shipping is more expensive than the product itself.
>> I'll keep seeking.
> 
> Try again using the first search I listed above:

I did that. But nothing this side of the pond. One of them I found 
adverts in my country. I have to investigate those.

> <https://www.google.com/search?q=printer%20rubber%20roller%20restorer&udm=2>
> <https://www.ebay.com/sch/i.html?_nkw=printer%20rubber%20roller%20restorer>
> I like to search by photos first because I usually recognize some of
> the common products and can read the labels on the bottle or can.
> 
> Besides restorer, also try rejuvenator, renewer, revitalizer, cleaner
> and softener.
> 


-- 
Cheers, Carlos.