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Brother HL-3450CN Service Manual page 84

Color laser printer
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HL-3450CN SERVICE MANUAL
Layout of PCBs
6. Erase lamp
3. Control panel PCB
(Panel PWB)
8. IOD2 PWB
10. High-voltage power
supply (HVU) PCB
7. IOD1 PWB
1. Video
2. Engine controller PCB
controller PCB
(MCTL PWB)
4. LDU PCB
9. Power supply (LVPS) PCB
5. PDU PCB
Fig. 4-29
4-31

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