Philip, Could you provide links to where you are obtaining reference to the resetters? Thanks, John Chung --- Philip Pemberton wrote: > Hi guys, > I'm currently trying to build up a cartridge > resetter for an Epson printer = > I'm repairing ($DEITY knows why, though, perhaps > because I can?). The problem = > with said printer is that the vacuum hose had > clogged, which made the = > printhead clog. Pretty common fault on the C86 > apparently, but after the hose = > is cleaned out the printer can usually be made to > work again... > = > Of course, the wonderful side effect of all this > is that because the ink = > wasn't being pulled through during the cleaning (or > printing) cycles, I have a = > set of four cartridges that are full of ink, but the > magic ink-chip swears the = > cartridge is empty. Lovely. Needless to say I don't > want to throw these = > cartridges away as they are. I've got a resetter on > order, but it's been stuck = > in the post for about a week. > = > I've managed to solder wires onto one of the > cartridge chips, and even = > managed to reset it (PIC18F252 + MPLAB-C18 + > existing open-source code =3D win). = > The problem is that this approach isn't exactly > practical. Four cartridges, = > seven solder points on each (well, actually five -- > two of the pins are = > unused) makes for quite a lot of soldering and > desoldering work. > = > My attempts to make a suitable connector using > Polymorph, balsa wood and = > bits of springy paperclip wire have all failed. > Either the "connector" fails = > to contact the cartridge. Half of the trouble seems > to be that Polymorph melts = > at a stupidly low temperature, which makes it great > for moulding into odd = > shapes by hand, but as soon as you try to solder to > any pins inserted into the = > bay, the thing melts into a puddle. > = > (I still reckon anyone who could come up with > something similar to Polymorph = > that started out as a thermoplastic but could be > converted to a thermosetting = > plastic would be onto a winner) > = > I guess the best solution to this would be the > so-called "pogo pin" = > spring-loaded test pins, and some form of support > frame. The catch being I = > can't find anywhere local that stocks these things > for less than a small = > fortune. =A34.50 a pin is a little excessive, > especially when the rated life is = > only a couple of hundred cycles... > = > The pin layout is (roughly): > = > 1mm > | | > | [ ] [ ] [ ]-------- > | ~2mm > [ ] [ ] [ ] [ ]----- > | | > | 2mm | > = > As usual, there's probably a really simple solution > I've missed... > = > Thanks, > -- = > Phil. > philpem@philpem.me.uk > http://www.philpem.me.uk/ > = > = > -- = > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > = = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist