Samsung SF-830 Plain Paper Laser Fax "scx 4521 fax" Questions

...fax massege I have samsung SCX-4521 Printer when I am triying to send fax my fax is not sending. Its showing fax delay massege. Please tell me the solution. check the setting and reset it to

how to clear the usage counter? From Samsung site: 1. Press MENU # 1 9 3 4 in sequence rapidly. The LCD panel should now display TECH. 2. Press MENU, and then press ENTER. The LCD panel will display ...