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If an unrecoverable error occurs, the printer will indicate the need for a service call
by illuminating all the LEDs and then alternating the following combination of LEDs.
For example, the following two indications alternate when a fuser malfunction error
occurs.
Service Call Fuser
Malfunction
Drum
Ready
❍
Alarm
❍
Data
❍
Ready
Alarm
Paper
Toner
Data
Drum
Ready
Alarm
Paper
Toner
Data
Drum
Service call Fuser
Malfunction
Laser BD
Malfunction
Scanner
Malfunction
ROM Error
Drum
❍ ❍
Ready
❍ ❍
Alarm
❍❍❍
Data
❍❍❍❍
Service Call D-RAM
Error
Service A Service B Engine
Interface
Error
Drum
❍ ❍
Ready
❍ ❍
Alarm
❍
Data
❍❍❍
Service Call NV-RAM
Error
Main Motor
Malfunction
CPU
Runtime
Error
Drum
❍
Ready
❍
Alarm
Data