How to Repair Printer Hp Deskjet With Horrible Noise

By on July 4, 2016
printer problem in hp deskjet k209a

 

 

 

 

 

 

 

Customer walk-in to my workshop with HP all in one DeskJet printer Model: K209a.




Problem Symptom:  Printer making a loud bang noise when powering up. It was not a squeaking, high pitch, clicking or grinding noise. When I connected the printer to my power outlet it started the bang noise periodically. Normal working procedure is when you power on the Printer cartridges initialize with maintaining air pressure and keep your printer ready for Command to print. But Bang noise is something different.

how to repair printer hp deskjet

Hence to fulfill my curiosity I have opened the front cover from where we install the Cartridges. Once powered ON I found Cartridge cradle was banging left and right side end of the mechanism. On visualize inside with a torch light I found one plastic strip was hanging in between the path way of cradle.

So I have removed the plastic strip that is Encoder Strip which decides where to stop the Cartridge while printing by sensing the location with help of sensor which is located behind cradle of the Cartridge.
how to repair printer hp deskjet1

On removing the encoder strip I found that right side locking notch of the strip already worn out.

how to troubleshoot hp printer deskjet

So this is main culprit because on initialize of cartridge location; cradle sensor is not passing signal to logic board about location of cradle hence for detecting the location cradle bangs left and right corner on the rail.

So now what is solution for this worn out Strip? I didn’t find the part in my nearby location and buying it online is not worth because of delivery time and cost. Furthermore my customer was in hurry to get it repair.

Now I decided to try to repair the plastic Strip by applying fast stick glue. I have doubt about strength of glue because this strip is getting lock on the end with metal part which has spring like effect for holding this strip straight with appropriate tension on strip so applying glue to this strip is doubtful for me.

So I concluded my side of doubt to the customer and customer gave me signal to go ahead with the idea till the time we order the new part.

So after approval from the customer I have glued the worn out part with Fast stick glue.

deskjet k209a repair

After some time the strip is ready for the job so I have opened the Printer by removing scanner department on the top.

hp deskjet k209a repair

I have connected the encoder strip back to on its location passing through sensor located behind the cartridge.

encoder strip hp deskjet printer

how to repair k209a hp printer

After final assembling I powered On the printer and now the banging noise has gone and printer initialize smoothly. I have got reply from the customer that the printer works perfect since from the last 15 days after repaired.

yogesh

This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.




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Note: You can check his previous article in the link below:

http://jestineyong.com/cfl-bulb-repairing-tips-you-can-do-it/

 

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6 Comments

  1. Parasuraman S

    July 4, 2016 at 3:46 pm

    Good job! Hitherto unattended area of work for me! So, learnt something new!

    Likes(0)Dislikes(0)
  2. Albert van Bemmelen

    July 4, 2016 at 3:49 pm

    Good job Yogesh. If Superglue doesn't work you always can try the Hotmelt Glue method. And if that doesn't do the job, you probably always can replace the Encoder Strip by using one from another Printer that was stripped for spare-parts.

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  3. Andre Gopee

    July 4, 2016 at 9:43 pm

    Good Job Yogesh. If the superglue does not hold out what I have found and really last a very long time is taking the superglue and mix it with some baking soda and apply it. It get so hard that it can be sanded down. Its like welding plastic. But first you must roughen the area where you are applying the glue. You can try some on a sample plastic and see how wonderful this stuff works.

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  4. Jim Whalen

    July 5, 2016 at 1:00 am

    Sometimes these ribbon cables have a little help breaking from someone trying to clean the inside of the machines, not just normal wear.

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  5. John Peplau

    July 5, 2016 at 8:41 am

    What about the new adhesive cement in a tube that you can use on anything as an adhesive or to mold (as seen on TV ) or found in Ace Hardware Stores, that you shine an ultra violet light on (supplied with kit ) to harden ? You can saw or file when done . I want to try it out but haven't had the chance. As good as a permanent weld they say.

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  6. Robert Calk

    July 5, 2016 at 11:49 am

    Good job, Yogesh.

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