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USER’S GUIDE
3–2
English: HL-YL User’s Guide, Chapter 3
Data (Toner) Lamp
The Data lamp indicates the current status of the print data process.
Lamp Printer status
Off
❍
The printer has no print data.
Blinking
❍↔●
The printer is receiving data from the computer or
the printer is processing data in memory.
On
●
Print data remains in the printer memory. If the
Data lamp is on for a long period of time and
nothing has printed, you need to press the switch
to print the remaining data.
This lamp also works as the Toner lamp with the Alarm lamp. They blink
simultaneously to indicate a toner error. See “REPLACING THE TONER
CARTRIDGE” in Chapter 5 and “Operator Calls” in Chapter 6.
Drum Lamp
The Drum lamp indicates the drum unit is nearly at the end of its life.
Lamp Printer status
Off
❍
The drum unit can be used.
On
●
The drum unit is nearly at the end of its life.
Installing a new drum unit turns off this lamp. See
“REPLACING THE DRUM UNIT” in Chapter 5.
Alarm Lamp
The Alarm lamp blinks to indicate a printer error status such as “Cover
Open” and “Memory Full.” If any other error occurs, the printer indicates
the error by blinking the Alarm lamp with another lamp or by printing an
error report.
✒ Note
The Ready, Data and Drum lamps are used to indicate printer errors with
the Alarm lamp. See “ALARM INDICATIONS AT A GLANCE” in
Chapter 6 and take corrective action for the error.