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I just thought of something I saw in a surplus joint. A antistatic brush I think was used to dust off film or something. Its a blower in a box with a air tube connected to a fine bristle brush. Might work?

Sure. Do all the motions of brushing off those brown fluff and wash with windex or light hearted cleaning. The point is it still smells of cigarette and still brown. That smell comes from often visiable and invisiable coating of everything: outside caseing, inside caseing, all boards, eveyrthing that air can reach is same idea for cigarette stuff. I have a fan out of RT, after first cleaning, whoo it's clean like new... twirled it and it smells faintly of it, oh rats! Grabbed double handful of ear swabs and alcohol or methyl hydrate. Cleaned everything to smallest details on that fan in pieces till I don't get brown stains on the buds. Now it smells nothing. Indeed windex do very little. Might need homemade cleaning solution with stronger active cleaner in it. When I'm shopping for used machines that smells and that user is smoker, I tend to tell that I can't take it at that price because of this smoke stain and smell and counter offer lower price. PSU contents and CPU heatsink with fan on it are first to get plugged up with those sticky brown stuff. Seriously impairs cooling. Bad Thing. Wizard PS on related story, I wondered why my room stunk even I don't have anything stinky therein. The source: 3' by 6" window sill that I didn't clean often. At first glance it look nothing but that stuff is *tons* when paper trowel came up with it and nearly brownish-black. I like windows open and my parents smoke outside near that bedroom window.

True. I have worked on these Mac like that. I thought fan blows in or out? Don't be scared. I have did dousing and literally bathed the motherboards and HOT water & dishwasher soap or strong dose of real TSP in past then 2 or 3 rinsings then final rinse with distilled water! Came out fine after final risne with 1 gal of distilled water then speed dry it in oven on real LOW temp with door ajar for 20mins or so. ANY removeable IC's has to pulled anyway before this bathing task. Medium stiff flat top round brush one small and one large. Brush firm like u are brushing fruits. One odd story: Owner was vastly relieved when model 30 machine revived after bathing to remove mouse pee and BM strains and closed that open slot with a blanking bracket slot. Fact: mouse passes thru 1/4" dia openings. What is successful is that provided that u have enough block of time and all materials at hand before going into that bath route. In old days, I would use freon. Dirt literally floated off with a generous spray and allowed to drip off onto floor. None came close to that "new look" condition with anything else that simple. Common dirt traps from my experience: Any drives that has openings, all buttons, PSU, any fans and heatsink with fans attached, confined openings and confined spaces, often boards always get coated by gravity action and any cracks/gaps. Even that small amounts, heat brings out stink worse. Remember, NO WD40 period! and cleaning those drives needs to be relubed again. A tip to add to anybody's with smelly stuff after most of cleaning done... To ger rid of last remaining smell, hire out to ozone equipped shop who specialize in smoke damage recovery to "burn" out the smell. To find that ozone services, contact your insurace, firehall or phone book specializing in smoke demage recovery about where they hired out those kind of repair job for. Small scale job any small to any handleable large objects is placed in closed container or plastic bagged and ozone gas mixture pumped into container or bag for minutes. At large size, a room is closed off and ozone gas let in. I DID clean out a 9 pin printer from fire smoke damage. Like cigarette smoke, that printer had to be in bits real throughly and spend hours cleaning everthing inside and out. Wizard PS: pet's doing peeings even over one month period on any floors always requires complete floor down to joists tear out. That where apts and all rental units both have NO PETS signs and few allows if u have legal papers that pet is really well broken in trained and certain amount of insurance amount required. Here's why: That pet's pee smelly stuff can't be gotten out in any means except cutting out all soaked bits then replaced with new materials.

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