OKI C531

System Maintenance menu (for maintenance personnel)

By turning on each printer while holding down ▼ and ▲, its System Maintenance menu is started.
The menu is displayed only in English irrespective of the destination of the printer.

The default password is 000000

Maintenance menu display table

Item (1st Line)	Value (2nd Line)	Function
ENTER PASSWORD	****** ******	Enters a password to enter the System Maintenance menu. The default for this item is 000000. Six to 12 alphanumeric characters can be entered for the item.
OKIUSER	ODA OEL APS JP1 JPOEM1 OEMA OEML	Sets a destination. JPOEM1: OEM in Japan OEMA: A4-default Overseas OEM OEML: Letter-default Overseas OEM The printer automatically reboots after this menu is exited.
Display condition: The security SD card function is disabled.
SD CARD FORMAT	EXECUTE	Initializes an SD card. When executed, this menu is exited and starts initializing an SD card. Display condition: The printer has the SD card installed on it (ADMIN MENU-FILE SYS MAINTE-SD CARD is set to ENABLE).
FLASH FORMAT	EXECUTE	Displays the following confirmation message in response to the press of the OK button: ARE YOU SURE? YES/NO NO restores the previous menu display when selected. When selected, YES exits this menu, starting formatting the installed resident (onboard) flash device. * Never use this item.
MENU RESET	EXECUTE	Resets the information in the EEPROM to factory default settings. The printer automatically reboots after change to the default settings. * This does not initialize some special items.
CODESET	TYPE1 TYPE2	Displayed for all the destinations of the printer. TYPE1: Disables Russian, Grease and Bulgarian (language file downloading). This value uses English for the operator panel language when the printer already has any of the three languages downloaded. TYPE2: Enables Russian, Grease and Bulgarian. The printer automatically reboots after this menu is exited. The default for this item is TYPE2 when the printer's destination is OEL/ APS/OEMA, and TYPE1 when it is not OEL/ APS/OEMA.
TEST PRINT MENU	ENABLE DISABLE	Sets whether or not to display PRT CHK PATN and ENG STATUS PRINT in the USER MENUPRINT INFORMATION category. This item always does not display PRT ID CHK PATN or ENG STATUS PRINT when set to DISABLE. When this menu is exited after change of the setting for the item, the printer restarts.
FUSE KEEP MODE	EXECUTE	Places the printer online after a command is issued from the CU to PU by pressing the OK button. With the printer turned on, consumables of the printer can be replaced with new ones, and then the printer can be checked for proper operation (where, not breaking the new ones’ fuses, the printer adds no operation counts to the life of the consumables replaced with the new ones). Turning off the printer ends the check mode. Turning it on next time disables the mode.
PERSONALITY
IBM 5577	ENABLE DISABLE	Does not allow USER MENU-SYS CONFIG MENU-PERSONALITY to display PDL languages for which DISABLE is set with this menu. When receiving print data in such languages, the printer displays INVALID DATA, discarding the data. When the printer's destination is Japan and IBM PPR III XL and EPSON FX is set to ENABLE, no operation of the printer is assured.
IBM PPR III XL	ENABLE DISABLE
EPSON FX	ENABLE DISABLE
HP-GL/2	ENABLE DISABLE
CHANGE PASSWORD		Changes a password. Pressing the OK button for this menu displays NEW PASSWORD and VERIFY PASSWORD, allowing for entry of a new password.
NEW PASSWORD	****** ******	Sets a new password to enter the System Maintenance menu. Six to 12 alphanumeric characters can be entered for this item.
VERIFY PASSWORD	****** ******	Prompts a user to verify and enter again the new password that was set for NEW PASSWORD to enter the System Maintenance menu. Six to 12 alphanumeric characters can be entered for this item.
ENGINE DIAG MODE		Enters the engine self-diagnostic mode.