pick up et7700 printer from local freecycle.Same problem as you in the passed.smear on paper,nozzle not correct.Use several strips of kitchen paper towel.To remove lots of black ink. Then started to clean away all the black ink around the edges of the pad.remove the foam pad wash in water and...
Anyone have you got a simple easy installation maual on how to remove and reolace with a new ink waste pump unit,mine seems clog up at pump.replacement only £20.