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hp officejet pro 6978 not
If you're using an HP OfficeJet Pro 6978 printer and it suddenly stops printing black or color, you’re not alone. The HP OfficeJet Pro 6978 not printing issue is a common problem reported by many users—home users, small businesses, and even IT support professionals. As someone who has worked extensively with printer diagnostics and maintenance, I’ve encountered these problems firsthand. The key to solving them lies in understanding the root causes, which range from simple user errors to more complex firmware or hardware faults. This guide explores the common reasons behind HP 6978 not printing black or color, along with actionable steps to resolve them.メッセージ
