Brother MFC-J3520 Service Manual page 86

Error Code EC

Unable to Print EC
LCD disconnection detected.
Step
1 LCD flat cable connection
failure
2 LCD PCB harness connection
failure
3 LCD PCB ASSY defective
4 LCD unit defective
5 Main PCB defective
Error Code ED

Unable to Print ED
Touch panel initialization failed.
User Check
- Check foreign materials between touch panel and touch panel frame, and remove if
any.
Step
1 Touch panel defective
2 LCD PCB ASSY defective
3 Main PCB defective
Error Code F0

Unable to Print F0
Flash file system error
Step
1 Program malfunctioning
2 Main PCB defective
Cause
Reconnect the LCD flat cable.
Reconnect the LCD PCB harness.
Replace the LCD PCB ASSY.
Replace the LCD unit.
Replace the main PCB ASSY.
Cause
Replace the touch panel ASSY.
Replace the LCD PCB ASSY.
Replace the main PCB ASSY.
Cause
Re-load the firmware.
Replace the main PCB ASSY.
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LCD
Solution
LCD
Solution
LCD
Solution
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