Brother 1240 Service Manual page 127

Type of error
Fuser Malfunction
Laser BD Malfunction
Scanner Malfunction
ROM Error
D-RAM Error
Service A *
Service B *
Engine Interface Error
Main Motor Malfunction
NV-RAM Error
CPU Runtime Error *
PCI Bus Error
* Refer to the further description of these errors as follows;
Service A:
Service B:
CPU Runtime Error:
How the LEDs indicate an error
ex. Fuser Malfunction
Drum
Ready
Paper
Alarm
Toner
Data
Drum Ready Alarm































Address Error
Bus Error
A CPU error other than the above two defects, such as an
Illegal Instruction or Operation Overflow
Time delay
: OFF
Fig. 6-1
6-5
CHAPTER 6 TROUBLESHOOTING
Data Remedy
See 'M-9 Fuser
See 'M-7 BD
See 'M-8 Scanner
See 'M-10 ROM
See 'M-10 D-RAM
See 'M-11 Service
See 'M-11 Service


See 'M-12 Engine interface


See 'M-3 Main motor does not


See 'M-10 NV-RAM


See 'M-11 CPU runtime


See 'M-13 PCI bus error'.
: ON
PR99180
failure'.
failure'.
failure'.
error'.
error'.
A'.
B'.
error'.
rotated'.
error'.
error'.