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Groups > sci.electronics.repair > #70520
| From | Jeff Liebermann <jeffl@cruzio.com> |
|---|---|
| Newsgroups | sci.electronics.repair, aus.electronics |
| Subject | Re: PING: HP laserjet experts Help! |
| Date | 2016-02-22 16:19 -0800 |
| Message-ID | <ag8ncblclgdginpggh5ac6as9jffbmn2k1@4ax.com> (permalink) |
| References | (2 earlier) <diuu6gFeangU1@mid.individual.net> <lbrkcbtc3m19ovl6632s13q8jnujjfcod5@4ax.com> <divfdnFi31mU1@mid.individual.net> <mg4lcbhtks9n605g57pacf3cljghsoqn7f@4ax.com> <dj1ffuF3oh8U1@mid.individual.net> |
Cross-posted to 2 groups.
On Tue, 23 Feb 2016 09:13:00 +1100, Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> wrote: >**Good news bad news time. I now have the service manual for this >device. No useful schematics. Just block diagrams and hundreds of pages >of mechanical drawings and photos. Quite comprehensive in it's own way. >The good news is that I now have a proper interpretation of the fault code. > >50.8 = Low fuser temperature (Subthermistor) Thank you for delivering the error message. <http://www.all-laser.com/a50service/> I've seen that error message on other model HP printers. In my experience, it can be anything from a loose connection on the ends of the ceramic slab heater element, to cracks in the heater element. Also, caked on toner onto the thermistor temp sensor will cause a low temp reading. Measure the resistance of the heater element from end to end and you should see about 15 for 117V and twice that for 220V. I think I know where I can find a 3800 to measure, or just ask in the HP forums or FixYourOwnPrinter forums. This article suggests that it might be low line voltage: <http://www.fortwayneprinterrepair.com/wordpress/2011/11/06/hp-color-laserjet-3000-3600-3800-and-cp3505-50-1-fuser-error/> Also see: <http://www.fixyourownprinter.com/posts/42184> I'll try to find the unspecified service note, but so far, I'm not having any luck finding it. Meanwhile, dig through this mess on 50.1 errors and see what you can excavate: <https://www.google.com/search?q=hp+color+laserjet+50.1+fuser+error> >Would I be crazy to buy one of these? >http://www.ebay.com/itm/RM1-2764-RM1-4349-HP-Color-LaserJet-3000-3600-3800-CP3505-Fuser-Unit-220v-/271729961017?hash=item3f445e2839:g:zpcAAOSwnDxUgFp3 Good find. I missed that one. Yes, that should work for 220V. I checked the numbers. Since the rebuild kit does NOT include a heater element, the replacment from China may be your only reasonable option. -- Jeff Liebermann jeffl@cruzio.com 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558
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PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-21 17:22 +1100
Re: PING: HP laserjet experts Help! Clifford Heath <no.spam@please.net> - 2016-02-21 17:23 +1100
Re: HP laserjet experts Help! "Andy Wood" <woodag@trap.ozemail.com.au> - 2016-02-22 07:03 +1100
Re: PING: HP laserjet experts Help! news13 <newsthirteenspam-spam@woa.com.au> - 2016-02-21 06:46 +0000
Re: PING: HP laserjet experts Help! whit3rd <whit3rd@gmail.com> - 2016-02-22 01:16 -0800
Re: PING: HP laserjet experts Help! John Robertson <spam@flippers.com> - 2016-02-20 23:25 -0800
Re: PING: HP laserjet experts Help! Bruce Esquibel <bje@ripco.com> - 2016-02-21 14:13 +0000
Re: PING: HP laserjet experts Help! Colin Horsley <horsley-spam@westnet.com.au> - 2016-02-21 22:15 +1100
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-21 12:16 -0800
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-22 07:56 +1100
Re: HP laserjet experts Help! "Kenny" <me@privacy.net> - 2016-02-21 21:21 +0000
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-22 10:05 +1100
Re: PING: HP laserjet experts Help! news13 <newsthirteenspam-spam@woa.com.au> - 2016-02-22 01:39 +0000
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-21 18:44 -0800
Re: PING: HP laserjet experts Help! news13 <newsthirteenspam-spam@woa.com.au> - 2016-02-22 06:41 +0000
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-21 18:28 -0800
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-22 14:59 +1100
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-21 21:06 -0800
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-23 08:43 +1100
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-22 16:03 -0800
Re: PING: HP laserjet experts Help! Bruce Esquibel <bje@ripco.com> - 2016-02-23 11:50 +0000
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-23 09:13 +1100
Re: PING: HP laserjet experts Help! Clifford Heath <no.spam@please.net> - 2016-02-23 09:36 +1100
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-22 16:19 -0800
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-22 16:39 -0800
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-22 16:48 -0800
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-02-23 16:12 +1100
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-22 23:16 -0800
Re: PING: HP laserjet experts Help! Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2016-03-04 11:07 +1100
Re: PING: HP laserjet experts Help! MJC <gravity@mjcoon.plus.com> - 2016-02-23 12:10 +0000
Re: PING: HP laserjet experts Help! Jeff Liebermann <jeffl@cruzio.com> - 2016-02-23 07:54 -0800
Re: PING: HP laserjet experts Help! Adrian Caspersz <email@here.invalid> - 2016-02-22 22:33 +0000
Re: PING: HP laserjet experts Help! "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-02-23 06:42 +0800
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