Hp5500 Ink In Pressure Lines

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HP5500 PSUV help!

My printer tells me to replace the black cartridge, but when I take it out there is yellow ink dripping from the bottom of this black cartridge. I opened the back access area and note that there is little segments of yellow ink in all the pressure lines.

Has anyone experienced this before on this type printer? I'm wondering if there is actually a problem with the yellow cartridge allowing the yellow to bleed back, or maybe the compressor not working allowing siphoning.

Appreciate any ideas about this problem.

Thanks, Jim

 

[jens]

Is there yellow ink in the tubing that makes the compression ?
could be possible that there is a leak in the yellow ink cartdrige.