HP Laserjet CP2025N One or more color of the planes is not aligned with the other color planes.

[cprelude]

I have got a problem with colour printouts from a Laserject CP2025N. Blue text has an overlaid shadow of the identical text in magenta, as if the magenta should be aligned with the blue, but is out of step with it. The problem effects any mix of colours that require magenta input. I have so far tried cleaning, and the other forum recommendation of multiple calibrations, but without any luck. I've almost lost of the amount of colour calibrations I've done in one day. I've also tried a reset to factory defaults then calibrating, again with no luck. 

I will mention that, unfortunately, the cartrtridges in use are compatibles, not genuine HP. I have heard that switching to genuine HP cartridges will resolve this, but, there again, I've also heard about parts that might need replacing. 

So far, nothing I've tried has worked. 

Best wishes, 

Paul

[cprelude]

I would add, the two parts that I may try to replace are as follows: based on attempts made by others in previous posts.

Sensor Assembly, Color Misregistration

[CopyGuy]

I had an older model do this one time and I believe replaced the formatter.  After playing with the old board in the shop I found an NVRAM reset corrected the problem.

[cprelude · Accepted solution]

Hi all,

In the end we solved this by replacing the Magenta cartridge, having ascertained that this was the one consistently interfering with colour prints. It seems there was a fault in the cartridge which impacted the timing of the printing of the various colours and colour mixes. I read about this in another post, and so we thought let's try to change the cartridge first.

This is what fixed this particular single-colour aligment issue.

I am posting this for the benefit of others who get alignment issues with just one colour, and repeated calibration fails to fix it.

Thanks for all the input.

Best wishes,

Paul

[cprelude]

I would add, it's a lesson learnt, about the importance of using genuine HP cartridges in future. The problem we had was with a compatible.