To use this feature through a network, connect with Bonjour.
Click the printer icon in the Dock.
Cancel the job.
If you cannot cancel printing from the computer, cancel using the printer's control panel.
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print & Fax), and then select the printer. Click Options & Supplies > Options (or Driver).
Select On as the Permit temporary black printing setting.
Access the print dialog.
Select Print Settings from the pop-up menu.
Select any paper size except for a borderless size as the Paper Size setting.
Select plain papers or Envelope as the Media Type setting.
Select Grayscale.
Set the other items as necessary.
Click Print.