Canon MG3650 printer, working but not great quality printing

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This has been a good little colour and BW printer/copier/scanner with duplex function and wireless connection. For the last few months the print quality has deteriorated and the text has become fuzzy. I've run the cleaning programme and replaced the ink which made a short term difference but it the quality is not the standard I need so I've invested in a new one. Is this old one of any use to anyone - for parts even? Someone with a bit more patience than me may be able to clean it properly. It doesn't have ink in it at the moment

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