Samsung SL-M4020ND-TAA - Manual (Page 71)

71 3. Maintenance
Monitoring the supplies life
If you experience frequent paper jams or printing problems, check the number of pages the machine has printed or scanned. Replace the corresponding parts, if
necessary.
• For models that do not support the display screen: In ready mode, press and hold (Cancel ) button for about 6 seconds, then release. A supplied Information
report prints out.
• It may be necessary to press OK to navigate to lower-level menus for some models.
1 Select (Menu) > System Setup > Maintenance > Supplies Life on the control panel.
2 Select the option you want and press OK.
3 Press (Cancel) to return to ready mode.