Follow the procedure below to print black or gray parts of an image using black or CMYK.
Open the file you want to print from the application, and then open the printer properties dialog box.
On the [Setup] tab, click [User settings] in the [Print Quality] area.
Click [Change...].
The [Change User Settings] dialog box appears.
On the [Image Adjustments] tab, select a gray reproduction method in the [Gray reproduction (Text/Line Art):] list.
Click [OK].
The [Change User Settings] dialog box closes.
Make the necessary settings, and then click [OK].
The printer properties dialog box closes.
Make print settings, and then click [OK].