Brother MFC-9010CN - Page 140

3-48
Confidential
■ Error code C9
DIMM error
<User Check>
- Check if the DIMM is installed correctly.
- Replace the DIMM with a new one.
■ Error code CA
Excess current to USB device
<User Check>
- Remove the USB device from the USB direct interface and turn the power off. Turn it on
again after a while.
- Replace the USB device with other one.
DIMM Error
Make sure that the DIMM is inserted correctly.
Unusable Device
Remove the Device. Turn the power off and back on again.
Step Cause Remedy
1 Harness connection failure of
USB direct interface relay PCB
ASSY
Check the harness connection of the USB
direct interface relay PCB ASSY and
reconnect it.
2 USB direct interface relay PCB
failure
Replace the USB direct interface relay
PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.