The problem found in rare cases that printing cannot be performed when displaying the ink level in the network environment has been rectified. In the panel, the display of the options of has been changed from the radio button to the drop-down menu.
The internal modules have been updated. OS X v.10.7 has been added as a supported OS. OS X Mountain Lion (v10.8) has been added as a supported OS. The ink level information is not displayed in when the printer driver is upgraded to v10.67.1.0. The following problem has been rectified: OS X Mavericks v10.9 has been added as a supported OS. While installing the printer driver, you may be prompted to install Xcode. OS X Yosemite (v10.10) has been added as a supported OS. OS X El Capitan (v10.11) has been added as a supported OS.
