Brother MFC-7290 - Page 69

2-32
Confidential
 Error code 67
The number of rotations of the developer roller will reach the upper limit when Stop Mode is
set for the toner cartridge.
 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.
Toner Low
Prepare New Toner Cartridge.
<User Check>
• Prepare a new toner cartridge.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
---
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.