Cis Positioning Abnormal (Home Position Cannot Be Found); Document Scanning Position Sensor Detects That The Document's Length; Modem Pcb Initialization Failed - Brother HL-J6000DW Service Manual

■ Error Code AF00

CIS positioning abnormal (Home position cannot be found)

Step
1 Scanner belt out of place
2 Scanner motor harness
connection failure
3 First side CIS flat cable
connection failure
4 Black reference film stained
5 First side CIS flat cable
defective
6 First side CIS unit defective
7 Scanner motor defective
8 Main PCB defective
■ Error Code BF00
Document scanning position sensor detects that the document's length does not fit
duplex scanning.
< User Check >
- Check whether the document scanned is longer than the specified limit.
- Remove the jammed document.
Step
1 Document scanning position
actuator caught on the
surrounding parts
2 Document scanning position
sensor defective
3 Document feed roller worn out
4 Main PCB defective
■ Error Code D100

Modem PCB initialization failed.

Error Code D200
SDAA communication failure
Step
1 Modem PCB harness
connection failure
2 Modem PCB defective
3 Main PCB defective
Cause
Set the scanner belt into place.
Reconnect the scanner motor harness.
Reconnect the first side CIS flat cable.
Clean document cover glass at black reference
film.
Replace the first side CIS flat cable.
Replace the first side CIS unit.
Replace the document scanner unit.
Replace the main PCB.
Cause
Set the document scanning position actuator
into place.
Replace the document scanning position
sensor PCB.
Replace the ADF unit.
Replace the main PCB.
Cause
Reconnect the modem PCB harness.
Replace the modem PCB.
Replace the main PCB.
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Solution
Solution
Solution
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