How do I Clean the Print Head using the Direct Injection Method?
This method of cleaning the printhead is useful to clear very stubborn clogs, or where you do not have cleaning cartridges available. It is, however, dangerous, as if you break the posts inside the cartridge holders, you effectively write-off your whole printer. Of course, you undertake this approach to cleaning at your own risk. Start by getting some cleaning fluid watered down by about half. Load a few ml into a syringe with a rubber tube attached – we use some spare tubing from a disused CIS. Move the print head over to the left of the printer, and over some tissue, as in How do I Clean the Underside of the Print Head? above. Remove the cartridges or CIS that you have in the printer. Now, carefully, push the rubber tube over the nozzle in the black cartridge position (as shown in the picture) and slowly push a small amount of cleaner into the printhead. Be sure that cleaner does not leak from the junction of rubber tube to ink-input-nozzle. Pull some cleaner back (you may see some c
