Samsung ProXpress M387 Series Service Manual page 119

Diagnostics > Scanner
•
Shading Test
The function is to get the optimum scan quality by the specific character of the CIS (Contact Image Sensor). If the copy
image quality is poor, perform this function to check the condition CIS unit.
Diagnostics > System
•
Switch Test
Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window each
time you press a key.
Service Function
•
Clear All Mem.
The function resets the system to factory default settings. This function is used to reset the system to the initial value
when the product is functioning abnormally . All the values are returned to the default values, and all the information,
which was set by the user, will be erased.
NOTE
Always perform a memory clear after replacing the main board. Otherwise, the system may not operate properly.
•
Clear Admin Password
This menu resets the Admin password.
•
Format HDD
This menu executes SD card format.
•
Engine Footer
This function is for monitoring of the engine status. If you perform this function, at printing, the setting value for engine
is shown on the bottom of the printed page.
•
F/W Upgrade
The function is to upgrade the firmware by using "usblist.exe" file. When updating firmware, you must select "On"
for this menu.
•
Low Alert Level
-
Toner
The function is to set up the time to inform toner low status. This function can provide user convenience for
replacing the toner cartridge.
-
Imaging Unit
The function is to set up the time to inform imaging unit low status. This function can provide user convenience
for replacing the imaging unit.
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4. Alignment and Troubleshooting
4-36