Epson Stylus Pro 4000 Reference Manual page 138

When background printing is on
1. Select EPSON Monitor IV from the Application menu at the
right end of the menu bar.
2. Turn off the printer.
3. Click the name of data which is in print process on the screen,
then click
When background printing is off
1. Turn off the printer.
2. Hold down the J Command key on your keyboard, and press
the [.] period key to cancel the print job.
138
Printing with Mac OS 8.6 to 9.x
Stop to cancel the print job.