This sequence forces a factory reset even without entering the admin password on some firmware versions.
| Problem | Better first step | |--------|-------------------| | "Paper mismatch" error | Check paper size settings in → Paper Setup | | Scanning to PC fails | Reinstall Samsung Easy Printer Manager driver | | "Replace toner" light on but toner is full | Perform toner reset by entering menu → Maintenance → Toner Reset | | Fax line error | Unplug the phone line, test with a regular phone first | | Firmware bug | Check Samsung (now HP) website for firmware update | samsung m2885fw reset