Samsung SCX3400

In service (tech) mode, the technician can check the machine and perform various test to isolate the cause of a malfunction. While in Tech mode, the machine still performs all normal operations.

Tech Mode (3 in 1 model)

In order to enter tech mode, please press button step by step as follows:

• Up > Up > Stop > Down > Down > Stop > Stop

Machine displays “UC” in 7 segment area in tech mode.

NOTE

• Button interval is 2 second under.
• If Stop button is pressed in tech mode, machine returns user mode.
• When machine is power off and then on, machine returns user mode.
• Any key was not pressed in tech mode during 30 seconds, machine return user mode. (Time is depend on machine timeout)
• You can’t enter tech mode when machine is working (e.g. printing/scanning/coping)
• Machine will not enter sleep mode in tech mode

Tech mode menu

No	LCD Display	Description
1	UC	Print usage counter report (UC)
2	SO	Print Shading Report (Report prints out after shading)
3	SI	Print Supplies Info Report
4	EL	Print Event Log
5	AA	Print All Reports • Shading is not work, just print out with current shading data • Exception Report is not printed
6	SA	Executes Scanner Aging (If cancel button is pressed, then aging is finished)
7	FC	Executes Factory Memory Clear
8	LC	Control Toner Low Level • Toner low alert function is that if machine has 10% below toner, then machine will display alert to tell toner low. • This feature comes from market requirement. You can control percentage for showing toner low alert from 1 to 30.