2550n deaf then progressively less colored on the document of several pages and now none

Problem started with the strange new relatively strong noise jerky rhythm while printing. All startup and systematic seems ok. Printed with success of State of supply and free page / test configuration at some point after the printer market but with a document of several pages, page 1A was perfect, lighter 2 page, page 4 and page 3 yellow and go progressively yellow fake only. Now it does not apply any at all what toner and paper appears as white as he went.

Dark cyan is on (544 pages remianing EST) but no other warnings or lights newspaper correspondents.

No idea how I confirm definitively what who is at fault? I have a service manual and am happy to tackle the problem, but with no printer engineering background would not know what was defective or not!

Hi David

No, the printer came not on loan.

Engines operated but nothing changed.

But wait...

I used furry side (not spicy) velcro glued with glue to the impact. I chose this side because when I put a level on a sample of both, the soft side of fur was very slightly more thin.

Put all back together and it works! Drum rotates smoothly, the warm-up is completed, ready light turns on and the pages of the file config/status and the real impression.

The only differences are:

1 / use velcro as opposed to slot the Chair or the foam cushion. The differences in thicknesses were low)<1mm) but="" may="" have="" been="" critical.="" my="" original="" worn="" pad="" seemed="" ok="" but="" was="" very="" thin=""><1mm and="" the="" first="" felt="" i="" tried="" was="" thicker.="" the="" foam="" was="" between="" the="" two="" but="" as,="" i="" said,="" even="" lifting="" the="" 'l'="" arm="" with="" a="" screwdriver="" failed="" to="" permit="" a="" free="" complete="" rotation="" without="" snagging="" when="" each="" toner="" passed="" the="">

2 / when the solenoid is re-fixed, even if it has a hole and not a slot, which implies a position fixed, there is a small movement and so I shook at the limit of the upward movement in the hole so that the arm had a tiny less distance to be pulled up by the solenoid to release the carousel.

3 / I cleaned up all the excess toner everywhere.

I am indebted to you for your guidance, patience and the solution.

I lost 100 + pages of each toner but the problem is solved.

Tags: HP Printers

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