HP 6978 Won't Print Blue - 搜索视频

Why did the blue stop working in a new HP ink cartridge on my HP officejet Pro 6978.

Why did the blue stop working in a new HP ink cartridge on my HP officejet Pro 6978.

I installed a brand new HP 902xl ink cartridge into my HP officejet Pro 6978 all in one printer and it worked for a while. Now it's not working at all. Even after several tries of printhead cleanings (no Blue boxes on printed sheet) and print head alignment(failed). This printer is being used in ...

hp.com2022年5月28日

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