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Carl and Kennedy, It turns out it's relatively easy to open a 2450 and expose the underside of the glass. I know this because the Epson tech who worked on mine (badly) failed to re-seat the plastic clips that hold the front edge of the case together and the scanner halfway snapped apart when I set it at home. It looks like all you do to get at the glass is remove the top/transparency unit, remove the two screws that are in the wells that the legs for the transparency unit fit into, and then pry open the front edge, probably by sliding the whole top part of the case forward a bit to release three plastic catches, and then pushing the case upward. There is at least one cable to disconnect at the front panel; not sure about disconnecting anything at the rear of the unit, as I did not actually disassemble mine. But just prying the front open an inch or so should let you get at dust with a long-handled camel-hair brush without risking too much new dust entering the internal environment. Of course, if you break one of the plastic clips in the process of opening the case (which looks easy to do), then your warranty is shot. As for out-gassing of plasticisers, I haven't noticed any problem from this with my three-year-old Canon scanner (that is, no hazing of the glass). Kennedy, is this as common a problem as you indicate? - David -----Original Message----- From: firstname.lastname@example.org [mailto:email@example.com]On Behalf Of Kennedy McEwen Sent: Friday, March 22, 2002 12:52 PM To: firstname.lastname@example.org Subject: Re: Dust on underside of Epson 2450 glass (update and survey question) In article <email@example.com>, Carl Grohs <firstname.lastname@example.org> writes >I can remove the glass for >cleaning on my copier, why not on a scanner? > What resolution does your scanner cope with? And your copier? I am sure that you can keep the copier clean in a domestic or office environment to well within the resolution of the sensor - but I don't think you will manage that with a 2450 scanner. Whether they shouldn't allow you to open the glass "at your own risk" is another issue. I think they certainly should because the amount of plastic used in modern scanners makes the deposit of outgassed plasticiser on the glass over time to be almost inevitable. -- Kennedy Yes, Socrates himself is particularly missed; A lovely little thinker, but a bugger when he's pissed. Python Philosophers - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions. - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.