Solve : hewlett packer printer - Help?

1.	Solve : hewlett packer printer - Help?
Answer» Can anyone tell me why lines would appear on a my copies after, ink CARTRIDGES have been changed? My boss would like to KNOW. Could be a few different things. What OS are we working with here? Hooked up to a NETWORK? Have you cleaned out the printer in case of blockage? The nozzles could be clogged. What's the exact model? Do you have the latest driver installed? Does this happen with ALL documents? How long has this been happening? Has it EVER worked before?

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