Brother International HL-1070 Service Manual - Page 93

Laser BD Malfunction, CPU Runtime Error

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6.2 Error Codes In the event of a printer failure, error codes will be indicated as shown below. All the lamps and the specific lamps are turned ON alternately. The specific combination of lamps that are ON indicates the type of the error. Type of error Data Ready Alarm Drum Fuser Malfunction  Laser BD Malfunction  Scanner Malfunction  ROM Error  D-RAM Error   Service A *  Service B *  Service C  Service D   Service E0   Service E1   Service P  NV-RAM Error   CPU Runtime Error *     * Refer to the further description of those errors as follows;  Service A: Address Error  Service B:  CPU Runtime Error: Bus Error The error which CPU other than the above two detects, such as Illegal Instruction or Operation Overflow HOW THE LAMPS INDICATE AN ERROR FUSER MALFUNCTION Drum Alarm Ready (Paper) Data (Toner) Time delay : OFF : ON Fig. 4-9 IV-29

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IV-29
6.2
Error Codes
In the event of a printer failure, error codes will be indicated as shown below.
All the
lamps and the specific lamps are turned ON alternately.
The specific combination of
lamps that are ON indicates the type of the error.
Type of error
Data
Ready
Alarm
Drum
Fuser Malfunction
Laser BD Malfunction
Scanner Malfunction
ROM Error
D-RAM Error
Service A *
Service B *
Service C
Service D
Service E0
Service E1
Service P
NV-RAM Error
CPU Runtime Error *
* Refer to the further description of those errors as follows;
Service A:
Address Error
Service B:
Bus Error
CPU Runtime Error:
The error which CPU other than the above two detects,
such as Illegal Instruction or Operation Overflow
HOW THE LAMPS INDICATE AN ERROR
Drum
Alarm
Ready
(Paper)
Data
(Toner)
Time delay
: OFF
: ON
Fig. 4-9
FUSER MALFUNCTION