Operation Panel
Display
Displays the current printing or other operation status, error information, amount remaining in the toner cartridge, etc. Display
Menu key
Displays the Setup menu. You can specify settings of the machine. Setting Menu List
Back key
Press to return to the previous screen. If you press this key when specifying settings, for example, the settings are not applied and the display returns to the previous screen.
Numeric keys ([0]-[9] keys)
Press to enter numbers and text. Entering Text
[*] key
Press to switch the type of text that is entered.
Energy Saver key
Press to put the machine into sleep mode. The display is turned OFF and the Main Power indicator lights up when the machine is in sleep mode. Press the key again to exit sleep mode. Entering Sleep Mode
Status Monitor key
Press to check the status of printing, to view the usage history, or to view the network settings such as the IP address of the machine. You can also check the status of the machine, such as the remaining amounts of paper and the amount remaining in the toner cartridge, or whether any errors occurred. Display
[ID] key
Press after entering the ID and PIN to log on when Department ID Management is enabled. After you finish using the machine, press this key again to log off. Logging on to the Machine
Clear key
Press to delete the entered numbers and text.
Stop key
Press to cancel the current operation, including printing.
[#] key
Press to enter symbols such as "@" or "/".
Processing/Data indicator
Blinks while printing or other operation is being performed. Lights up when there are documents waiting to be processed.
Wi-Fi indicator
Lights up when the machine is connected to wireless LAN.
Error indicator
Blinks or lights up when an error such as a paper jam occurs.
Main Power indicator
Lights when the machine is turned ON.
[ 
] key
When specifying settings, press to return to the previous screen. When entering numbers, press to move the cursor to the left.
[ 
] key
When specifying settings, press to select the item immediately above the currently selected item. When changing setting values, press to increase a value.
[ 
] key
When specifying settings, press to proceed to the next screen. When entering numbers, press to move the cursor to the right.
[ 
] key
When specifying settings, press to select the item immediately below the currently selected item. When changing setting values, press to decrease a value.
[OK] key
Press to apply settings or specified details.
Secure Print key (LBP252dw)
Press to print secured documents. Printing a Document Secured by a PIN (Secure Print) (LBP252dw)
Paper Settings key (LBP251dw)
Press to specify paper sizes and types. Specifying Paper Size and Type