CHAPTER 8 TROUBLESHOOTING
8-28
Error Code
Concerned Part Developer Motor(DM)
E1
Is there any unusual rotation noise while printing ?
Confirm the connection of connector.
Is DCN9 of IOD1 properly connected with connector of DM1?
Is DCN1 of IOD1 properly connected with 11CN of MCTL?
Check the voltage: +24V-1 and +5V-1.
+24V-1: Is the v24V between DM1-4 and 6,DCN9-4 and 6, DCN10-3 and 4 ?
+5V-1: Is the v5V between DM1-5 and 9,DCN9-5 and 9, DCN10-7 and 9 ?
Replace the IOD2.
Is E1 error cleared ?
Replace the IOD1.
Is E1 error cleared ?
Job is complete.
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 PWB.
Job is complete.
Job is complete.
Job is complete.
MCTL
11CN
6
2
DMCLK
DMON-N
IOD1
6
2
DCN9
DCN10
DCN1
1
2
3
4
5
6
7
8
9
+24V-1
PGND
+5V-1
SGND
DM1
DM
1
2
3
4
5
6
7
8
9
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
DMRDY-N
DMON-N
DMCLK
PGND
PGND
+24V-1
+24V-1
SGND
+5V-1
3
4
7
9
5
29
Summary of Contents for HL-3450CN Series
Page 15: ...HL 3450CN SERVICE MANUAL xiii 3 Rating Label For US For Europe 4 Operation Label 5 Jam Label ...
Page 17: ...HL 3450CN SERVICE MANUAL CHAPTER 1 PRODUCT OUTLINE ...
Page 27: ...HL 3450CN SERVICE MANUAL CHAPTER 2 SPECIFICATIONS ...
Page 39: ...CHAPTER 3 INSTALLATION ...
Page 54: ...HL 3450CN SERVICE MANUAL CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS ...
Page 104: ...HL 3450CN SERVICE MANUAL 4 51 Main PCB Circuit Diagram 1 8 CODE B512137CIR 1 8 LJ8907001 NAME ...
Page 106: ...HL 3450CN SERVICE MANUAL 4 53 Main PCB Circuit Diagram 3 8 CODE B512137CIR 3 8 LJ8907001 NAME ...
Page 108: ...HL 3450CN SERVICE MANUAL 4 55 Main PCB Circuit Diagram 5 8 CODE B512137CIR 5 8 LJ8907001 NAME ...
Page 110: ...HL 3450CN SERVICE MANUAL 4 57 Main PCB Circuit Diagram 7 8 CODE B512137CIR 7 8 LJ8907001 NAME ...
Page 126: ...HL 3450CN SERVICE MANUAL CHAPTER 5 CONTROL PANEL OPERATION ...
Page 173: ...HL 3450CN SERVICE MANUAL CHAPTER 6 PERIODIC MAINTENANCE ...
Page 208: ...CHAPTER 7 DISASSEMBLY RE ASSEMBLY ...
Page 264: ...HL 3450CN SERVICE MANUAL CHAPTER 8 TROUBLESHOOTING ...
Page 310: ...HL 3450CN SERVICE MANUAL 8 47 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 a 9 b 10 11 12 13 14 ...
Page 311: ...CHAPTER 8 TROUBLESHOOTING 8 48 15 a 15 b 16 17 18 19 20 21 22 23 24 25 26 27 28 244m m 29 ...