Brother HL Series Service call indications

Service call indications

If an unrecoverable error occurs, the printer will indicate the need for a service call by illuminating all the LEDs and then the following combination of LEDs alternately:

For example, the following are the indications when a Fuser malfunction error occurs.

Drum	Drum
Ready	Ready
Paper	Paper
Alarm	Alarm
Toner	Toner
Data	Data

Fig. 4-2 LED indications caused by a fuser malfunction error

Service Call	Fuser	Laser BD	Scanner	ROM error
	malfunction	malfunction	malfunction
Drum		❍		❍
Ready	❍			❍
Alarm	❍	❍	❍
Data	❍	❍	❍	❍
Service Call	D-RAM	Service A	Service B	Engine
	error			Interface
				error
Drum		❍		❍
Ready	❍			❍
Alarm				❍
Data	❍	❍	❍
Service Call	NV-RAM	Main motor	CPU runtime
	error	malfunction	error
Drum		❍
Ready	❍
Alarm
Data

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