Brother FAX-2840 Service Manual page 64

Error code 37 to 3A
These errors do not usually occur in the normal use. The conceivable causes are noise
around the installation site, fluctuation of the power supply voltage, and failures in the
software.
---
An unidentified error occurred.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Error code 3B
Print Unable 3B
Turn the power off and then back on again.
An error occurred during access to the DRAM in the main PCB.
Step
1 Main PCB failure
Error code 3C to 43
These errors do not usually occur in the normal use. The conceivable causes are noise
around the installation site, fluctuation of the power supply voltage, and failures in the
software.
---
An unidentified error occurred.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-27
Remedy
Remedy
Remedy
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