When I was in the camera repair business I used denatured alcohol cut 5-% with ether. The ether dispersed water droplets and promoted faster drying. Other recommendations from "factory repair" houses included MEK and distilled water with a drop or so of mild dish washing detergent.
Jim lists wrote: >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
