4.10.4 Internal Memory Errors; 4.10.5 Security Function Lock Related Problems - Brother DCP-J552DW Service Manual

4.10.4 Internal memory errors

<User Check>
- Delete saved print and fax data.
- Disconnect and reconnect the AC cord.
Step
1 Main PCB defective

4.10.5 Security function lock related problems

<User Check>
- Have the administrator release the security lock.
Step
1 Main PCB defective
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-84
Solution
Solution
Confidential