Brother International HL-2400C Service Manual - Page 272
Is ECN1 of IOD1 properly connected with 11CN of MCTL PCB ?
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VIII-27 Error Code Concerned Part E6 Cleaning Brush Solenoid Check the connection of the cleaning brush solenoid connector. YES Is ECN10 of IOD2 properly connected to the solenoid ? NO Is ECN2 of IOD2 properly connected with DCN9 of IOD1 ? Is ECN1 of IOD1 properly connected with 11CN of MCTL PCB ? YES Check the voltage (FBSLON-N/P). Is the voltage between ECN10-4 and 8 of IOD2 a trailing edge ? YES Is the voltage between ECN2-2 and 12 of IOD2 a rising edge ? YES Is the voltage between ECN1-33 and 1 of IOD1 a rising edge ? YES NO Is E6 error cleared ? NO YES Finished. Connect them properly. Is E6 error cleared ? NO YES Finished. Replace the transfer solenoid. Replace the IOD2 PCB. Replace the IOD1 PCB. Replace the MCTL PCB. MCTL IOD1 IOD2 11CN 1 33 SGND FBSLON-P DCN1 1 33 DCN9 2 8 12 FBSLON-P PGND SGND ECN2 2 ECN10 8 1 12 4 Drum Cleaner Solenoid +24V-1 FBSLON-N FBSL