7Check the message and press theâ–¶button.8Pressâ–˛orâ–Ľto selectYes, and then press theOKbutton.9A confirmation message about updating ink information is shown onthe Display Screen. After checking the message, press theâ–¶button.10Pressâ–˛orâ–Ľto selectYes, and then press theOKbutton.Ink level detection is now released.iPF850Ink Level DetectionUser's GuideTroubleshootingOther problems649