Led Function - Samsung CLP-310N Service Manual

Alignment & Troubleshooting

4.1.2.2 LED Function

There are five LEDs present. Status led indicate the error/online status of the printer in idle mode. In error
mode, the status LED glows by red color and in ready mode, it glows by green color. The other four LEDs
indicate the toner status. If the black toner needs to change, the toner-low (black) LED glows and if the color
(yellow, magenta, cyan) toners need to change, the toner-low (yellow, magenta, cyan) LED glows.
4.1.2.2.1 Functions
LED function is made up of
- Ready/Printing status display
- Error status display
- Toner low status display
4.1.2.2.2 Detail Description
LED control order
1) Control LED according to current printer state
: After the panel task is received each event, the LED operation is controlled by current printer status.
2) Write LED value to GOP (General Output Port)
4-3
Service Manual
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