Black Level Value Abnormal During Scanning; Modem Communication Failed; Modem Does Not Start Normally Even After Resetting The Modem; Wired Lan Mac Address Not Registered - Brother DCP-J552DW Service Manual

■ Error Code BD
Unable to Scan BD

Black level value abnormal during scanning.

Step
1 Black level data failure
2 CIS unit defective
3 Main PCB defective
■ Error Code DF
Unable to print DF

Modem communication failed.

Error Code E0
Unable to print E0

Modem does not start normally even after resetting the modem.

Step
MJ PCB harness connection
1
failure
2 MJ PCB defective
3 Main PCB defective
■ Error Code E2
Unable to Scan E2

Wired LAN MAC address not registered.

Step
1 Main PCB defective
Cause
Acquire white level data.
(Refer to
Replace the CIS unit.
Replace the main PCB ASSY.
Cause
Reconnect the MJ PCB harness.
Replace the MJ PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-49
Solution
Chapter 5, Section 1.3.17)
Solution
Solution
LCD
LCD
LCD
LCD
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