Brother MFC-J3520 Service Manual page 59

Error Code 24

Cannot Detect / Wrong Color Ink
Ink cartridge side IC chip relation defective
Identification no match/judge as incompatible cartridge/detecting setting wrong color
Install Starter Ink
The ink cartridge which is not contains required ink volume for the initial installation has
been set at the initial installation.
User Check
- Check if incompatible ink cartridge is loaded.
- Reload the ink cartridge.
- Replace the ink cartridge.
- Set ink cartridge at position for correct color.
- Set starter ink cartridge.
Step
1 Main PCB defective
Error Code 25

Cannot Detect
Cannot communicate with ink cartridge IC chip (ink cartridge side.)
User Check
- Check if incompatible ink cartridge is loaded.
- Reload the ink cartridge.
- Replace the ink cartridge.
Step
1 Ink cartridge flat cable
connection failure
2 Ink cartridge IC chip PCB
defective
3 Main PCB defective
Cause
Replace the main PCB ASSY.
Cause
Reconnect the ink cartridge flat cable.
Replace the ink refill ASSY.
Replace the main PCB ASSY.
2-25
LCD
LCD
Solution
LCD
Solution
Confidential