Brother International HL-3400CN Service Manual - Page 292
P.B.S
UPC - 012502526223
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CHAPTE8RTROUBLESHOOTING Error Code E9 Concerned Part Belt Sensor (P.B.S) 4NO Is a belt cartridge leaned to one side ? Is a belt sensor stained ? ONO Confirm the connection of connector. Is DCN16 of IOD1 properly connected with a connector of the sensor Is DCN1 of IOD1 properly connected with 11CN of MCTL PCB ? YES Check the voltage (+5V-1) 4 4NO Is the voltage +5V between DCN16-2 and 3 of IOD1? < Is the voltage +5V between DCN2-1 and 4 of IOD1? 4 4 V OYES Is E9 error cleared ? Job is complete. YES YES NO YES YES Replace the belt cartridge. Install the printer to be leveled out. Clean the belt. + NO Is E9 error cleared ? I Connect them properly. V NO Is E9 error cleared ? Replace the belt sensor (P.B.S). Replace the IOD1 PCB. YES P Job is complete. NO P Replace the MCTL PCB. M1C1TCL9NPB0SEN2D-N9CIONDD11C12N1P6+SB©5GSVEN-N1D-N Belt Sensor P.B.S Sensor +5V-11DCN2 8-34