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Here is the solution for Blue screen error 83C0000B on HP OfficeJet Pro 8010e, 9020e Printer Series: Click here to view.
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HP Color LaserJet CM6030f Multifunction Printer

Hello.

My HP Color LaserJet CM6030 MFP Series generally works nice, but has little problems when some text in really bold, then rest of the text becomes not that black. Colours looks Okay.

In event log I find multiple, many entries like following two (second one, media related happens less often): 

Number/Date and Time/Cycles/Event/Firmware/Description or Personality

88
10-MAR-2025
18:10
48920
54.1E.37
52.390.1
Halftone calibration error
87
10-MAR-2025
18:10
48920
54.0E.0D
52.390.1
Media sensor: Clean registration 2nd transfer asy

Might be that I need just to clean up some sensors but what and where?

I have HP Color LaserJet CM6030 and CM6040 MFP Series Service Manual but cannot find these codes.

Base on Service Manual I guess, #88 can be solved by "Color-misregistration and image-density sensor unit" procedure and MS cleanup - can anyone confirm it this sensor might be related to 54.1E.37?

How to solve #87/54.0E.0D?

 

All suggestions in scope of above topics are highly welcome.

Piotr

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