Brother International HL-3400CN Service Manual - Page 280
Brother International HL-3400CN - Color Laser Printer Manual
UPC - 012502526223
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CHAPTER 8 TROUBLESHOOTING Error Code Name of Part D3 Developer Clutch (DCLC) Confirm the connection of Connector. V Is the connection proper between ECN16 of 1OD2 and Clutch (DCLC) ? NO Is the harness of Clutch (DCLC) broken ? YES Connect the harness. Connect the connector properly. V Is D3 Error cleared ? I NO > YES Ir Check the voltage at DCLC ON-N. III `Does the voltage drop (-L -,24v) between ECN16-3 and ECN2-6? I I,NO N O 4 V Replace current MCTL PCB with a new one. YES YES 0 Replace the clutch (DCLC) with a new clutch. 4 lo.Replace 1OD2 PCB with a new one. 4 Is D3 Error cleared ? NO YES Complete Complete Is D3 Error cleared ? v YES Complete NO Re-check MCTL 12CN 8 10D2 ECN1 ECN16 Q 1 DCL(C)0N-P 1 1 +24V-1 DCL(C)ON-P la ECN2 +24V-1 3 PGND 6 SGND 8