Brother FAX-2840 Service Manual page 69

Error code 67
Toner Low
Prepare New Toner Cartridge.
The number of rotations of the developer roller will reach the upper limit when Stop Mode is
set for the toner cartridge.
<User Check>
• Prepare a new toner cartridge.
Step
1 Main PCB failure
Error code 68 and 69
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.
2-32
Remedy
Remedy
Confidential