Brother MFC-J5335DW Service Manual page 88

■ Error Code E900
NFC PCB initialization failed.
Step
1 NFC PCB harness connection
failure
2 NFC PCB defective
3 LCD PCB defective
4 Main PCB defective
■ Error Code EC00
A USB device out of the specifications is inserted to the USB terminal, and
consequently over current flows.
< User Check >
- Remove the inserted USB device.
Step
1 Main PCB defective
■ Error Code F000
Flash file system error
Error Code F001
Flash ROM read problem
Error Code FD00
Firmware verification during the self test fails.
Error Code FE00
ROM data acquisition error
< User Check >
- Turn the power OFF and ON.
Step
1 Program malfunctioning
2 Main PCB defective
Cause
Reconnect the NFC PCB harness.
Replace the NFC PCB.
Replace the LCD PCB.
Replace the main PCB.
Cause
Replace the main PCB.
Cause
Re-load the firmware.
Replace the main PCB.
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Solution
Solution
Solution
Confidential