Samsung ProXpress M4070FX

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.

To enter the Tech Mode

• M337x series / M387x series / M407xFR / M4072FD
- To enter the Tech Mode, press “ Menu + # + 1 + 9 + 3 + 4 ” in sequence

• M407xFX
- To enter the service mode, press 1,2,3 number keys simultaneously.
When the password dialog box appears, enter “1934” and press the “OK” button.

Depth1	Depth2	Depth3	Depth4
Information	Report	Configuration
		Supplies Information
		Usage Counter
		Error Information
		Fax Protocol Dump
		Job Duty
		Handset Information
		Memory Usage
		Assert History
Maintenance Counts	Clear Counts	Enter Passcode	ADF Scan
			Platen Scan
			Fuser
			Transfer Roller
			Tray 1 Roller
			Tray 1 Retard Roller
			Tray 2 Roller
			Tray 2 Retard Roller
Diagnostics	Engine	NVM Initialize
		NVM Read/Write	106-Dev Bias
			107-ATTR Bias
		Test Routines	100-Motor
			101-Clutch
			102-Sensor
			105-MHV Bias
			106-Dev Bias
			107-ATTR Bias
			109-Fuser Heat
			110-LSU
	Fax	NVM Read/Write	020-Fax
			022-Handset
		Test Routines	020-Fax
	Scanner	Shading Test	Shading Print
			Print
	System	Switch Test
Service Functions	Clear All Memory
	Clear Admin Password	Reset?
	Format HDD
	Engine Footer	Off
		On
	F/W Upgrade	Off
		On
	Low Alert Level	Toner	[1-30]%
		Imaging Unit	[1-30]%