Brother DCP-9010CN Service Manual page 145

■ Error code EE
Print Unable EE
Turn the power off and then back on again.
Unavailability of communication after connecting to the wireless LAN PCB is detected
< >
User Check
- Relocate the printer because there is a possibility that large noise is generated in the
environment where the printer is installed.
Step
1 Wireless LAN PCB failure
2 Main PCB failure
■ Error code EF
Print Unable EF
Turn the power off and then back on again.
Low-voltage power supply PCB failure
(It is detected that the average coverage value suddenly becomes 0 %.)
<User Check>
- Turn the power off. Turn it on again after a while.
Step
1 Low-voltage power supply PCB
failure
2 Main PCB failure
■ Error code F2
WT Box End Soon
The waste toner box near full.
(Cleaning high voltage discharge due to reaching the life of the cleaning roller)
Note:
The same message appears in the case of the error code 5F.
<User Check>
- Prepare a new waste toner box.
Step
1 HVPS control PCB failure
2 Engine PCB failure
Cause
Cause
Cause
3-53
Remedy
Replace the wireless LAN PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the low-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the HVPS control PCB ASSY.
Replace the engine PCB ASSY.
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