Brother International HL-2400C Service Manual - Page 265
Is the connection between ECN3 of IOD2 and Solenoid PSL YM OK ?
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VIII-20 Error Code Name of Part D5 Developer Solenoid (PSL YM) Check the Connector. Is the connection between ECN3 of IOD2 and Solenoid (PSL YM) OK ? NO Is the harness of Solenoid (PSL YM) broken ? YES Check the voltage at (PSL YM) ON-N. Connect the harness. Connect the connector properly Is D5 Error cleared ? YES NO Does the voltage drop( Does the voltage jump( +24V)between ECN3-11 and ECN2-8? YES NO )between ECN1-5 and ECN2-12 ? YES NO Replace current MCTL PCB with a new one. Replace the front cover unit with a new one. Replace IOD2 PCB with a new one. Is D5 Error cleared ? YES NO Is D5 Error cleared YES Finished NO Re-check from beginning of section. MCTC IOD2 12CN ECN1 ECN3 5 PSL(YM)ON-P 5 10 +24V-1 PSL(YM)ON-N 11 ECN2 +24V-1 5 PGND 8 SGND 12 Finished Finished PSL YM