Before removing the used print head, be sure to update the printer's firmware version with the included CD-ROM. An error message will be displayed on the printer's display when the new print head is installed without updating the version. In this case, re-install the used print head and update the firmware version.
If you receive the following error while attempting to print using the application Free Layout Plus (on Windows), please follow these steps (in the sequence that is listed): Remove (uninstall) Free Layout Plus software. Remove (uninstall) all iPF print drivers you have installed.
Please update your computer to macOS 10.12.1 and install the latest CUPS printer driver for your printer to correct the issue described in this article. If you do not wish to update your OS to 10.12.1, please follow the steps below to print correctly if a "Filter failed" error occurs.