Brother HL-1040 - Manual (Page 96)

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 these errors as follows;
Service A: Address Error
Service B: Bus Error
CPU Runtime Error: A CPU error other than the above two defects, such as an
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