Brother International HL-2600CN Service Manual - Page 326
Beam Detecting Error
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Error Code Concerned Part L1 (Beam Detecting Error) Scanner Unit Confirm the connection of an scanner unit connector. NO Is the connector PDCN properly connected ? Are the connector LCN1 and LCN of MCTL properly connected ? YES Replace the scanner unit. Is L1 error cleared ? YES NO Replace the MCTL PWB 2. Connect the connector properly. Is L1 error cleared ? YES NO Job is complete. MCTL LCN PD SGND +5V-1R BDT LDU PDCN LCN1 20 LCN3 Scanner Unit SM Laser Diode SM
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Error Code
Concerned Part
Scanner Unit
L1
(Beam Detecting Error)
Confirm the connection of an scanner unit connector.
Is the connector PDCN properly connected ?
Are the connector LCN1 and LCN of MCTL properly connected ?
Replace the scanner unit.
Is L1 error cleared ?
Job is complete.
Is L1 error cleared ?
Connect the connector properly.
MCTL
LCN
SGND
BDT
LDU
PDCN
LCN3
SM
YES
YES
NO
NO
NO
Replace the MCTL PWB 2.
PD
LCN1
+5V-1R
Scanner Unit
SM
YES
20
Laser Diode