Brother HL-2400C - Page 268

VIII-22
Error Code
Concerned Part
Developer Motor(DM)
E1
Is there any unusual rotation noise while printing ?
Check the connector.
Is ECN15 of IOD2 properly connected with the connector of DM1?
Is ECN1 of IOD2 properly connected with DCN9 of IOD1?
Is ECN1 of IOD2 properly connected with I2CN of MCTL?
Check the voltage: +24V-1 and +5V-1.
+24V-1: Is there +24V between DM1-4 and 5,ECN15-4 and 5, ECN2-5 and 8 ?
+5V-1: Is there +5V between DM1-6 and 7,ECN15-6 and 7, ECN2-11 and 12 ?
Replace the IOD2 PCB.
Is E1 error cleared ?
Is E1 error cleared ?
Finished
Replace the toner cartridge.
Is the noise cleared ?
Replace developer gear unit and motor.
Connect the connectors properly.
Is E1 error cleared ?
Replace the developer motor.
Replace the MCTL PCB.
MCTL
12CN
11
12
DMCLK
DMON-N
IOD2
11
12
ECN1
ECN2
ECN
15
1
2
3
4
5
6
7
8
9
LVPS
IOD1
DCN9
5
8
11
12
+24V-1
PGND
+5V-1
SGND
DM1
DM
1
2
3
4
5
6
7
8
9
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
DMRDY-N
DMON-N
DMCLK
PGND
+24V-1
SGND
+5V-1
NC
DMREV-N
5
8
11
12
Finished
Finished
Finished
Replace the IOD1 PCB.