Citizen CT-S851 User Manual page 17

Operation panel
LED
FEED
Button 1 to Button 4
Examples are shown in the diagram of the LCD above on the right.
 LCD
Indicates the printer's status, button names, types of errors, and messages.
 LED
Lights green when the power is on, turns off when the power is off.
Flashes green when receiving data.
Lights red in special modes and in case of errors.
Lights orange when paper is low (paper near-end) or the print head is hot.
 Button 1 to Button 4
Functions assigned to these buttons vary depending on the active mode. The
buttons below the LCD are called button 1, button 2, button 3, and button 4 in
order from left to right.
 FEED button
Press this button to feed paper.
To release a cutter lock, remove the cause of the lock, close the paper cover,
and then press the FEED button.
 MENU button
Press and hold this button (for at least two seconds) to access the memory
switch setting mode.
 PAPER LOW
Appears when the paper roll is near its end.
 LOCK icon
This icon indicates that the MENU button is inoperative.
LCD
Refer to 5.3 Manual Setting of Memory Switches
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LOCK icon
FEED
FEED button Button 1 (FEED)
Refer to 4.7 Error Messages
Refer to 4.5 Key Lock Function
PAPER LOW
Button 4 (MENU)