How do I restore to factory default settings on Ricoh SP C410DN?

SOURCE: Ricoh Aficio SP C410DN toner error.

Did you follow the instuctions to shake gently then remove all tags prior to placing the toner? Is it a toner/drum unit. look underneath if theres a green drum. After market toner will not work.

SOURCE: how to restore to factory default settings ricoh

enter service mode then execute these service programs I would do an sp print
5990- 2 out first just in case

5801 Memory Clear
Resets software counters and returns modes and settings to their defaults.
All clear: Clears all data
Engine clear: Clears the printer engine settings
SCS: Clears the systems settings
PRT: Clears user mode system settings
NCS: Network control systems - Clears the items listed in the “Host Interface”
section of the Configuration page.
DCS: Delivery control system (e-mail settings)
MIRS: E-mail addresses
5801 1 Memory all clear
5801 2 Engine memory clear
Resets the following user tool settings:
Maintenance menu: Main scan registration, sub scan registration, image
density, curl control
Resets the settings of the following SPs: 1003, 1104, 1105, 1902, 1910, 2001,
2112, 2113, 2201, 2213, 2301, 2910, 3921, 3922, 3923, 3924, 5930
5801 3 SCS memory clear
Resets the following user tool settings:
Paper Input menu: Paper type, paper size, tray lock,
System menu: Energy saver timer
Resets the settings of the following SPs: 5009, 5812
Also resets the user code counters.