Brother MFC-J3520 Service Manual page 61

Error Code 2A

Cannot Print / No Ink Cartridge
No black ink cartridge loaded, detected by the ink cartridge detection sensor.
Error Code 2B
Cannot Print / No Ink Cartridge
No yellow ink cartridge loaded, detected by the ink cartridge detection sensor.
Error Code 2C
Cannot Print / No Ink Cartridge
No cyan ink cartridge loaded, detected by the ink cartridge detection sensor.
Error Code 2D
Cannot Print / No Ink Cartridge
No magenta ink cartridge loaded, detected by the ink cartridge detection sensor.
User Check
- Check if incompatible ink cartridge is loaded.
- Reload the ink cartridge.
- Replace the ink cartridge.
Step
1 Ink cartridge detection sensor
defective
2 Main PCB defective
Error Code 2E

Unable to Print 2E
Cannot communicate with ink cartridge IC chip (machine body side.)
Step
1 Main PCB defective
Cause
Replace the ink refill ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-27
LCD
LCD
LCD
LCD
Solution
LCD
Solution
Confidential