Brother HL-3450CN Service Manual page 308
Color laser printer
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Also See for HL-3450CN:
- User manual (227 pages) ,
- Parts reference list (25 pages) ,
- Quick setup manual (2 pages)
Table of Contents
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Error Code
L2
Concerned Part
Laser Unit
Is the connector LCN3 properly connected ?
YES
Replace the laser unit.
Is L2 error cleared ?
NO
Replace the MCTL PWB.
NO
Connect the connector properly.
Is L2 error cleared ?
NO
YES
Job is complete.
MCTL
PD
LCN
31
20
8-45
HL-3450CN SERVICE MANUAL
YES
LDU
SCMCLK
1
Laser Unit
SCMRDY
2
SCMON
3
GND
4
SM
SM
+24V-1
5
LCN3
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