Brother HL-2400C - Page 264

VIII-18
Error Code
Name of Part
Developer Clutch (DCLC)
D3
Is the connection between ECN14 of IOD2 and Clutch (DCLC) OK ?
Is the harness of Clutch (DCLC) broken ?
Check the voltage at DCLC ON-N.
Is D3 Error cleared ?
Connect the connector properly.
YES
NO
NO
YES
Replace current MCTL PCB with a new one.
Is D3 Error cleared ?
Replace IOD2 PCB with a new one.
Replace the clutch (DCLC) with a new clutch.
Is D3 Error cleared ?
YES
YES
NO
YES
YES
NO
NO
Connect the harness.
NO
+24V
Does the voltage drop(
Does the voltage jump(
)between ECN14-3 and ECN2-8?
)between ECN1-3 and ECN2-12 ?
IOD2
ECN1
ECN14
1
3
ECN2
5
8
12
3
MCTL
12CN
3
+24V-1
PGND
SGND
+24V-1
DCL(C)ON-P
DCLC
DCL(Y)ON-P
Re-check from beginning of section.
Finished
Finished
Finished
Check the Connector.