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Canon Pixma 4500 series Problem
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[QUOTE="Chris_N, post: 221294, member: 17956"] It could be many things. If possible, please can you send a scan of the nozzle test pattern. The head on the 4500 is very hardy and is not easily damaged. The head on 7000 series printers are often damaged by heat and start to pint in a bow shaped pattern causing misalignment. If it was my printer here is what I would try. 1- Try and clean the plastic strip behind the printer with a q tip and windex (ammoniated window cleaner). Even water will work but Windex is better. If the plastic optical strip (or circular one on the side) is dirty, then the head will misread its position and start double printing (ghosting). If you can remove the top of the printer this will make it easier. 2. Check that the carriage runs right and left easily. If necessary put a drop of oil on the metal rail. 3- If you still have problems, remove the carts and wrap in plastic wrap to prevent drying. Remove the printhead and let it soak in a dish with windex with 30% pure isopropyl alcohol overnight. Allow the solution to cover the white pad filters that connect with the carts. Cover in a plastic bag to prevent drying out. Then remove and carefully shake wipe dry. Never rub the print nozzles but gently pat dry with tissue. Reinsert into the printer and run a cleaning cycle and test the nozzles again. Kind regards Chris [/QUOTE]
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Canon Pixma 4500 series Problem
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