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 | STEP BY STEP reset imaging drum Q3964A in HP 2550 by Anonymous (1/16/07 2:11 PM) reply | + / - | This is to clarify the procedure to reset the Q3964A imaging drum that is no longer working in Laserjet 2550 2550L 2550Ln. This may be somewhat of a duplicate posting, if so, sorry about that and credit goes to whoever first discovered it. This posting may help some people who were confused about this procedure or wheather it works at all.
As you know, the blinking image light for imaging drum indicates that the drum is at the end of life (according to HP) and the printer will not print. Actually, what it means is that HP is running low on CASH and is expecting you to pay for their next boat payment. The drum is probably plenty useful, and shouldn't you decide when the print quality is no longer acceptable to YOU, instead of some chip inside the cartridge with an arbitrary counter number?
Here is the procedure that will work if performed correctly (it may take several tries because timing of button presses is crucial). This procedure revived completely dead 2550L with flashing imaging drum light.
READ THROUGH THE PROCEDURE BEFORE ATTEMPTING TO MAKE SURE YOU UNDERSTAND IT! Of course, as a standard disclaimer, use at your own risk. You are responsible for the consequences, blah, blah..
1) Ensure that all printer cartridges and the drum are installed
2) Printer - OFF with power button
3) GREEN GO BUTTON - HOLD
4) POWER BUTTON ON
5) The 3 lights above the green go button will go ON and then OFF (this will happen quickly, under 10 seconds, but may vary)
6) AS SOON AS THE LIGHTS ARE OFF - RELEASE GREEN GO BUTTON
7) IMMEDIATELY - PRESS AND HOLD RED CANCEL BUTTON
8) IMMEDIATELY - PRESS and HOLD CARTRIDGE SELECTION BUTTON
9) IMMEDIATELY - RELEASE both RED CANCEL BUTTON and CARTRIDGE SELECT BUTTON
That's all she wrote.
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 | Re: STEP BY STEP reset imaging drum Q3964A in HP 2550 by Anonymous (1/16/07 2:15 PM) reply | + / - | Just a small clarification for steps 5 and 6. The ORDER in which lights go off is not important. What IS important, in step 6, that all three lights betwen the green GO button and the red CANCEL button are OFF. As soon as all THREE of them are OFF, and it will happen QUICKLY, proceed with step 7.
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 | Re: Re: STEP BY STEP reset imaging drum Q3964A in by Anonymous (4/2/08 1:30 PM) reply | + / - | the GO green light do not is NEVER in OFF
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| Re: STEP BY STEP reset imaging drum Q3964A in HP 2550 by Anonymous (5/15/08 6:51 PM) reply | + / - | Tried to follow steps, then received my first error report which said no data in NVRAM debug file...............now what?
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| Re: STEP BY STEP reset imaging drum Q3964A in HP 2550 by Anonymous (7/17/08 6:37 AM) reply | + / - | Didn't work for me. Tried 4x just to make sure I was following directions correctly. Sorry!
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| Re: STEP BY STEP reset imaging drum Q3964A in HP by Anonymous (7/20/08 11:03 AM) reply | + / - | also tried this and at first it did not work...
BUT, then for Step 9 I only released the last two buttons once printer intitializing was completed (and it kept rotating through toner cartridges). Then it worked perfectly :-) :-)
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| Re: STEP BY STEP reset imaging drum Q3964A in HP 2550 by grandkely (8/21/08 9:18 AM) reply | + / - | C'est simple comme bonjour.
Pas de reset , pas de bouton , cartouche rechargeable.
Essayer seulement d'utiliser votre ancien drum Q3964a si ça ne marche pas , demande à quelqu'un qui utilise hp2550 et faire un échange de votre puce.Dans votre toolbox(page web)le tambour est inconnu mais l'imprimante marche très bien.
Vous pouvez faire ça aussi avec le 4 couleur.Pour éviter le clignote de led , il y a un petite verre sur le dos de 4 toner , ouvre la cartouche est colle avec un super glue de poudre toner sur le verre exemple noir pour noir et mangeta pour mangeta.
Vous pouvez recharge le 4 toner jusqu'Ã la mort de l'imprimante.
Bye
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| Re: Re: STEP BY STEP reset imaging drum Q3964A in HP 2550 by inco (8/21/08 9:24 AM) reply | + / - | Merci beaucoup.
Vous êtes un génie.
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| Re: STEP BY STEP reset imaging drum Q3964A in HP by playmakers (9/17/08 9:52 PM) reply | + / - | I've tried doing both of these steps. I've got to the point where just the Imaging Drum light is blinking...
Any other suggestions???
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| Re: Re: STEP BY STEP reset imaging drum Q3964A in HP by Anonymous (5/18/09 8:46 AM) reply | + / - | Yeah I have tried this one about a dozen times, using all the tips shown and have got to where you got! Did you ever get any further?
What seems unclear in the instructions is for how long you should hold down the buttons, whether they are supposed to be held down together or in sequence, or what....
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 | Re: STEP BY STEP reset imaging drum Q3964A in HP by Anonymous (6/1/09 4:02 PM) reply | + / - | I've tried it a half-dozen times with no success... Any other tricks or things I should know that might help? I'd like to see it work again before I spend another 200 on an imaging drum...
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