HL-1850/1870N SERVICE MANUAL
2-21
Control Panel Operation
There are one LED and 7 switches on the control panel. The LED and LCD display indicate
the printer status, and pressing the switches enables several functions in the printer.
The display also shows the current printer status. When you use the control panel switches,
the display will change.
Reprint
Data
Go
Job cancel
Back
Set
Fig. 2-29
5.1 Data LED Indications
The Data LED indicates with orange lamp the current status of the printer.
LED Printer status
On Data remains in the printer buffer.
Blinking Receiving or processing data.
Off No remaining data.
Data LED
LCD display
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