Brother International HL-2400C Service Manual - Page 285
Replace the MCTL PCB. or
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Error Code Concerned Part LL Scanner Unit Confirm the connection of the scanner unit connector. NO Is the connector LCN3 properly connected ? Is the connector PDCN properly connected ? Are the connectors or LCN1 and LCN properly connected ? YES Replace the scanner unit. Is LL error cleared ? YES NO Replace the MCTL PCB. or DC power supply (LVPS). Connect the connector properly. Is LL error cleared ? YES NO Finished. VIII-40 MCTL LCN PD 3 LDU PDCN LCN3 5 20 LCN1 Scanner Unit SM
VIII-40
Error Code
Concerned Part
Scanner Unit
LL
Confirm the connection of the scanner unit connector.
Is the connector LCN3 properly connected ?
Is the connector PDCN properly connected ?
Replace the scanner unit.
Is LL error cleared ?
Is LL error cleared ?
Connect the connector properly.
MCTL
LCN
LDU
PDCN
LCN3
SM
YES
YES
NO
NO
NO
Replace the MCTL PCB. or
PD
LCN1
Scanner Unit
YES
Are the connectors or LCN1 and LCN properly connected ?
DC power supply (LVPS).
20
5
3
Finished.