HP Laser Jet 1020 Plus Printing Image Problem Solved

By on October 25, 2016



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Received one HP Laser Jet 1020 Plus printer in my workshop for repair.

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As per customer statement while he gives print command to the printer; pages comes out with the printed Matter with black sprinkles on whole Page.




For confirmation of the fault symptom I have connected the printer to my computer and given self test, I have got the printout exact fault stated by the customer.

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Causes for this type of print symptoms are mainly due to

1 Bad Toner Cartridge Unit.

2 Dust In fuser assembly.

3 Dust In Scanner assembly.

On initial visual inspection I didn’t found the dust inside the Printer hence I have took out the toner cartridge, on opening the flap of Imaging Drum I found very thin line like scratches on the surface of the Imaging drum.

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(I am not getting proper photo of the Imaging drum because of its reflective surface.) So on doubt on the cartridge I have arranged the Cartridge for the testing. On testing the self test I got the crisp printout without toner sprinkles (Black Dots) on it.

Here my doubt comes true the problem is with the toner Cartridge hence I have called up the guy who is doing toner refilling work for me, on his arrival I stated the problem of the printout and showed him the sample printout which I have taken from the bad toner cartridge, he also confirmed the problem with the imaging Drum.

As I have already discussed my doubt of the imaging drum with him when I have called him up hence he brought the new Imaging Drum with him and started his work on replacing new drum.

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 He took out self test of the printer. Wow printing image is like new printer and problem is solved.

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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 repair articles in the link below:

http://jestineyong.com/havit-optical-computer-mouse-fixed/

 

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12 Comments

  1. Albert van Bemmelen

    October 25, 2016 at 1:54 pm

    I'm glad not having a single Laserprinter Yogesh. They often smell because of the O3 produced and the Toner isn't exactly healthy for our longs either. The nano particles are so small you need a special Vacuum Cleaner like the Convax 3000p. And those are expensive. Sadly my brother recently bought a used 3000p Toner Cleaner. But it must be defect because it doesn't suck up any air. Although both 2-step AC Motors (1 used, and 1 brandnew!) rotate fine. It should suck about 300L a second if the specs are right. But we now think both (wht its called 2-step) Fan's on the Motor-axe must be wrong? Strangely there is no service-manual or user guide of this Cleaner, so we are in a kind of vacuum here.

    Likes(2)Dislikes(0)
    • Yogesh Panchal

      October 26, 2016 at 3:09 pm

      Albert,

      Try with smaller attachment with vacuum cleaner like rubber pipe of around 5mm to 10mm you have to do some modification by fixing pipe reducer.

      thanks for the comment.

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      • Albert van Bemmelen

        October 26, 2016 at 10:50 pm

        The Convac 3000p motor is placed in the original Convac 3000p Vacuum Cleaner Suitcase. And its original filters and original vacuum cleaner Hose is used. So we still haven't got a clue why the perfect at good speed rotating Motor sucks. But only because it really does not clean at all like mentioned! (LOL!)

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  2. suranga Electronics

    October 25, 2016 at 4:03 pm

    Hi MR- Yogesh,

    Good Fault Finder.
    And Quick Repair.

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 26, 2016 at 3:10 pm

      Suranga,

      Thanks for the comment.

      Likes(0)Dislikes(1)
  3. Robert Calk

    October 25, 2016 at 8:27 pm

    Good job, Yogesh. Thanks for the article.

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 26, 2016 at 3:11 pm

      Sir,
      Thanks for the Comment and waiting for some articles from you.

      Likes(0)Dislikes(0)
    • Robert Calk

      October 30, 2016 at 8:33 pm

      Hi Yogesh, Read my reply to Gerald on his article, "Make your own EMI measurement probes".

      Likes(0)Dislikes(0)
  4. Bulent NUR

    October 26, 2016 at 12:59 am

    Thanks for sharing, practical repair.

    Likes(0)Dislikes(0)
    • Yogesh Panchal

      October 26, 2016 at 3:12 pm

      Bulent,

      Your welcome!

      Likes(0)Dislikes(0)
  5. Humberto

    October 31, 2016 at 11:32 pm

    Hi Yogesh, the solution of the Printer was satisfactory 100%, congratulations.

    Likes(0)Dislikes(0)
  6. Yogesh Panchal

    November 3, 2016 at 6:10 pm

    Thanks Humberto

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