Brother HL-4000CN Service Manual page 131

2.2.24 Chute ASSY REGI .................................................................................................IV-32
2.2.25 Actuator REGI........................................................................................................IV-33
2.2.26 Sensor photo: REGI...............................................................................................IV-33
2.2.27 OHP sensor ASSY.................................................................................................IV-34
2.2.28 Housing ASSY retard.............................................................................................IV-36
2.2.29 Clutch turn .............................................................................................................IV-36
2.2.30 Roll turn .................................................................................................................IV-37
2.2.31 Roll ASSY retard....................................................................................................IV-37
2.2.32 Stud retard .............................................................................................................IV-39
2.2.33 PWBA ASSY earth ................................................................................................IV-39
2.3 Top of the Printer............................................................................................................IV-40
2.3.1 Holder toner cartridge ASSY unit.............................................................................IV-40
2.3.2 Holder toner cartridge ASSY ...................................................................................IV-42
2.3.3 Switch toner cartridge ASSY....................................................................................IV-44
2.3.4 Sensor toner low......................................................................................................IV-44
2.3.5 PWBA EEPROM STD .............................................................................................IV-45
2.3.6 S-HVPS ...................................................................................................................IV-45
2.3.7 Scanner ASSY.........................................................................................................IV-46
2.4 Right / Left / PCBs of the Printer ....................................................................................IV-47
2.4.1 HSG ASSY BIAS .....................................................................................................IV-47
2.4.2 Lever drum: L...........................................................................................................IV-47
2.4.3 Drive ASSY main ....................................................................................................IV-49
2.4.4 PWBA HNB DRV.....................................................................................................IV-50
2.4.5 DEVE drive ASSY....................................................................................................IV-51
2.4.6 Actuator I/R..............................................................................................................IV-51
2.4.7 Lever drum: R ..........................................................................................................IV-52
2.4.8 LVPS........................................................................................................................IV-54
2.4.9 Box ASSY MCU/ESS...............................................................................................IV-55
2.4.10 Housing ASSY contact ..........................................................................................IV-56
2.4.11 PKG service MCU HANABI ..................................................................................IV-57
2.5 Paper Feed of the Printer ...............................................................................................IV-58
2.5.1 Chute ASSY turn......................................................................................................IV-58
2.5.2 Cover cassette.........................................................................................................IV-59
2.5.3 Feeder ASSY unit ....................................................................................................IV-60
2.5.4 Pickup ASSY ...........................................................................................................IV-61
2.5.5 Roll ASSY feed ........................................................................................................IV-62
2.5.6 Actuator no paper ....................................................................................................IV-63
2.5.7 Sensor photo: No paper...........................................................................................IV-63
2.5.8 Sensor photo: Low paper.........................................................................................IV-64
2.5.9 Solenoid feed...........................................................................................................IV-64
2.5.10 Clutch ASSY turn ...................................................................................................IV-65
2.5.11 Roll ASSY turn .......................................................................................................IV-66
2.5.12 Roll ASSY ..............................................................................................................IV-66
2.5.13 Housing ASSY feeder L.........................................................................................IV-67
2.5.14 Sensor HUM temp .................................................................................................IV-68
2.5.15 Housing ASSY feeder R ........................................................................................IV-69
2.5.16 Harness ASSY OPFREC.......................................................................................IV-70
2.5.17 Switch ASSY size ..................................................................................................IV-70
2.5.18 Indicator .................................................................................................................IV-71
2.5.19 Guide indicator.......................................................................................................IV-72
2.5.20 Lever low paper .....................................................................................................IV-73