Question about HP LaserJet 1005w Printer

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PCR problem My hp 1007 Printers 12A toner cartridge PCR is weak which solution i coat on PCR for better result?

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In my PCR reaction I have very concentrated band stay in the well, not running in gel. I try variable concentration of the gel and I try decrease in PCR product in PCR reaction. Thank you.

Posted on Dec 07, 2009

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Find your solution from these link
1) www.pcrstation.com/pcr-problem/
2) www.pcrstation.com/pcr-troubleshooting
3)www.scientistsolutions.com/t738-pcr+problem.html

Posted on Oct 02, 2009

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Posted on Jan 02, 2017

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I have an HP3500 which I've had from new since 2004. On the whole it's been remarkably reliable but recently I have problems with a multicoloured stripe which appears down the lefthand side. It...


Hi Richard,
Dots, Lines and smudges on the printouts are usually due to deteriorating cartridges and cleaning the green drum of the cartridge may help temporarily. Take out the cartridge and inspect them. You may observe the lines on the green drum. Gently clean the roller/ green drum with a dry, soft, lint-free cloth wiping off the toner dots marks/ lines. (corresponding to the location where you are having a green line on the paper)
Also, make sure that the visible inside of the printer are clean and there is no spilled toner inside, which sometimes results in dots.
Moreover, streaks (thicker lines) and dots etc indicate faulty PCR Roller which is located behind the green drum inside the cartridge. Observing the PCR with the help of a sharp torch light would let you assess the condition of the PCRs at the corresponding location where lines are appearing. Replace the Cartridges one by one and inspect the prints for the changes. I think you would be able to identify the faulty cartridge/ rollers. Also, if the waste toner area is filled and/or the plastic wiper/ cleaning blade removes the leftover toner/ waste from the drum and holds the waste is worn out, it results in spilled toner usually at edges and at early stages lines only.
Moreover, the function of the fuser is to fuse the toner onto the paper and it is usually done at the end of the printing process just before the paper is ejected (and the image/ toner on the paper is just fused - not changed). The fault at the fuser area usually results in smudges, ghosted image or unbind toner (which easily gets erased when touched). The time during the printing cycle when the toner is spread on the paper, additional toner (resulting in lines) is shifted to the paper due to cartridge related issues, which results in lines. Note that after cleaning the rollers, the print quality improves and the lines disappear or lighten. Try and check if the above suggestions work.

Hope it helps! Good Luck! Thanks for using Fixya!
CreativeTECH

Jul 16, 2011 | Office Equipment & Supplies

1 Answer

12a cadridge refilling process by syed khaja moin from india skhajamoin@yahoo.co.in


Separate cartridge into 2 sections -drum /cleaning section, and toner hopper.

Replace drum and cleaning blade, clean PCR.
Remove Mag roller. clean out toner hopper, clean mag roller, replace doctor blade, fill with toner, and reassemble

Apr 12, 2009 | HP LaserJet 1020 Printer

1 Answer

Why does my new HP Laserjet 1020 12A cartridge print too light?


It's rare that an original HP would do that? It's more likely that it's a compatible / remanufactured cartridge. is it? Compatibles can be as good as or better than OEM (mine are for example), but there are a lot of "hacks" out there.
Either way, I would return it for a new one, because that is your problem.

*please rate me :)

Mar 25, 2009 | HP DeskJet F380 All-In-One Printer

3 Answers

Toner Refill


check this video it is very easy with no special equipment

http://www.youtube.com/watch?v=iMiTopIVMxM

hope helping you

Dec 20, 2007 | HP LaserJet 1020 Printer

7 Answers

How to refill toner in 12a of hp


http://www.q2612x.com/refillinginfo.htm#basic

Dec 20, 2007 | HP 645A Magenta Toner Cartridge (C9733A)...

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