----- Original Message ----- From: "Robert Newson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, April 13, 2006 8:52 PM Subject: Re: [ql-users] printer problem
> John Gilpin wrote: > > ... >> I successfully use Surgical Spirit (Obtainable from any chemist shop) >> and a cotton bud to clear the jets on my HP printer. Alternatively, HP >> used >> to provide strips of adhesive backed "velcro" type material which you >> stick >> onto a "test page" provided using the software provided. It seems as >> though >> the heads are cleaned by a "scrubbing" motion against the "velcro". - >> Sounds >> as though it is ripping the printer to bits but the results are - so >> far - >> 100% effective. Usually the surgical spirit and cotton bud is sufficient >> to >> clean the jets and provide a satisfactory test page. > > I attacked the jets directly (after removing head assembly) with > iso-propyl > alcohol (aka propan-2-ol) and cotton buds - the colour jets leeched > wonderfully, the black steadfastly refused. > > Out of interest...what is surgical spirit? According to the bottle I have it contains the following: Virgin Caster Oil BP 2.5%v/v, methyl salicylate BP 0.5%v/v, Diethyl Phthalate BP 2.0%v/v, industrial methylated spirit BP 95%v/v. So it's mainly Industrial Methylated Spirit. JG. > On retrying with setting the quality higher last night I seemed to get > more > of the black jets working for a short period before petering out. Perhaps > I > just need to keep on trying, but as the printer keeps getting itself lost > (wrt where the "head" is), I'm still in favour of scrapping it for a > replacement. > I somrtimes find that a period of regular use after cleaning gradually improves the output and once it's producing an acceptable quality, regular use helps to maintain that quality. Only longer periods of no or very low usage tends to cause the jet blockages again. JG. > > _______________________________________________ > QL-Users Mailing List > http://www.q-v-d.demon.co.uk/smsqe.htm _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
