[filmscanners] Re: HP PhotsSmart - questions

["James L. Sims" <jlsims@knology.net>]

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: filmscanners_owner@halftone.co.uk
>>[mailto:filmscanners_owner@halftone.co.uk] On Behalf Of
>>rkoziol3@comcast.net
>>Sent: Saturday, August 06, 2005 8:37 AM
>>To: laurie@advancenet.net
>>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 listserver@halftone.co.uk, with 'unsubscribe
>>>filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate)
>>>in the
>>>message title or body
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>
>
>
>
>

----------------------------------------------------------------------------------------
Unsubscribe by mail to listserver@halftone.co.uk, with 'unsubscribe 
filmscanners'
or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or 
body