Windex contains amonia which can etch coatings. Never use it on optics. Electronics grade alcohol is generally accepted as best for optics. I use cottonballs rather than cloth.
Laurie Solomon wrote: >I do not have answers to the question of cleaning the internal optics, >mirror, or sensors; nor do I have an answer to why 150 dpi appears >sharper than 300 dpi when scanning a 3 x 5 color print. I take it that >this is a flatbed scanner. > >I would suggest the obvious with respect to cleaning. You should start >by cleaning the glass bed with a soft lintless cloth and a little >Windex, being careful not to let any of the liquid run off the glass and >into the internal areas of the scanner. As for the other parts, you >need to be careful not to scratch or leave lint on the surfaces of the >optics and mirror. I suspect that one would also need to be careful >about what solutions one uses to make sure that they do not leave their >own film residue over the optics and mirror, don't contain anything that >will deteriorate the internal parts, and do not damage the electronic >components and elements. > >As for the question of " why 150 dpi appears sharper than 300 dpi when >scanning a 3 x 5 color print," you did not tell us if the result you >speak of was on the monitor or on a hard copy print ( and if the latter, >what type of print laser, inkjet, etc.) The answer to this could >furnish some indications of the reasons for this. > >----Original Message---- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >[EMAIL PROTECTED] >Sent: Saturday, August 06, 2005 8:37 AM >To: [EMAIL PROTECTED] >Subject: [filmscanners] HP PhotsSmart - questions > > > >>Hi, >> >>Been reading the posts here for quite some time. Just got >>into scanning. In fact the recent thread on Cheap Film >>Scanners woke me up :-) I have one that's at the bottom of >>that heap. It's HP PhotoSmart vintage 1997. SCSI interface, >>which makes it S10 I guess. >> >>I'm using the current version of HP software from their Support site. >>Did a calibrate with a white piece of paper (the card is >>gone). The scanner was donated by a friend. >> >>Now the question. I started with a simple color print (3x5) >>scan and noticed that setting it to 150dpi gives a "sharper" >>result than 300dpi. >> >>Can that be explained in any way? Saved as bmp and jpg, same results. >> >>Secondly, should I take the scanner apart and attempt to >>clean any optical components? I'm quite handy with small >>tools :-) After sitting for so many years and some usage by >>the previous owner, it must have some film whatever the >>optical pickup is. >> >>Regards, >> >>Rich Koziol >> >>-------------------------------------------------------------- >>-------------------------- >>Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe >>filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) >>in the >>message title or body >> >> > > > > > > ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body
