Brother HL-2400C - Page 263

VIII-17
Error Code
Name of Part
Developer Clutch (DCLM)
D2
Check the Connector.
Is the connection between ECN16 of IOD2 and Clutch (DCLM) OK ?
Is the harness of Clutch (DCLM) broken ?
Check the voltage at DCLM ON-N.
Is D2 Error cleared ?
Connect the harness.
YES
NO
NO
Replace current MCTL PCB with a one.
Is D2 Error cleared ?
Replace IOD2 PCB with a new one.
Replace the clutch (DCLM) with a new one.
Is D2 Error cleared ?
YES
YES
NO
YES
YES
NO
Connect the connector properly.
NO
NO
YES
+24V
Does the voltage drop(
Does the voltage jump(
)between ECN16-3 and ECN2-8?
)between ECN1-2 and ECN2-12 ?
IOD2
ECN1
ECN16
1
3
ECN2
5
8
12
2
MCTL
12CN
2
+24V-1
PGND
SGND
+24V-1
DCL(M)ON-N
DCLM
DCL(M)ON-P
Finished
Finished
Finished
Re-check from beginning of section.