Brother MFC-9420CN - Copy Options; Increasing Copy Quality

Confidential
5.1.50 HV Power Supply PU .........................................................................................5-60
5.1.51 LV Power Supply PU / Power Supply Bracket PU ASSY ..................................5-61
5.1.52 Fuser Connector PU ..........................................................................................5-62
5.1.53 Toner Retract Solenoid PU (DESLY/DESLM/DESLC/DESLK) /
Toner Retract Cam PU.......................................................................................5-63
5.1.54 Toner Sensor PU (TTR) .....................................................................................5-64
5.1.55 Toner Present Sensor PU ..................................................................................5-65
5.1.56 Belt Sensor.........................................................................................................5-65
5.1.57 Left Tray Guide PU / Paper Size Sensor PU / Room Temp Thermistor PU ......5-66
5.1.58 Left Toner Guide PU ..........................................................................................5-67
5.1.59 Paper Exit Unit ...................................................................................................5-68
5.1.60 Transfer Roller ASSY PU...................................................................................5-69
5.1.61 Transfer Base ASSY PU ....................................................................................5-69
5.1.62 Registration Roller ASSY PU .............................................................................5-70
5.1.63 Registration Actuator PU....................................................................................5-70
5.1.64 Exit Guide ASSY PU / Exit Drive ASSY PU / Exit Idle Roller ASSY PU............5-71
5.1.65 Paper Sensor (PFUL).........................................................................................5-72
5.1.66 Exit Roller ASSY PU / Paper Exit Actuator PU ..................................................5-73
5.1.67 Fuser Exit Actuator PU.......................................................................................5-74
5.1.68 Paper Sensor (PT2) ...........................................................................................5-74
5.1.69 Discharging Brush PU........................................................................................5-75
5.1.70 Back Cover Latch ASSY PU ..............................................................................5-76
5.1.71 Transfer Roller Guide PU...................................................................................5-77
5.1.72 Paper Guide (A) PU ...........................................................................................5-78
5.1.73 Paper Guide (B) PU ...........................................................................................5-78
5.1.74 Paper Guide (C) PU / Paper Sensor (PT1, PEU) / OHP Sensor PU /
Tray Empty Actuator PU ....................................................................................5-79
5.1.75 Paper Guide (D) PU ...........................................................................................5-80
5.1.76 Paper Feed Roller / Separator Pad....................................................................5-80
5.2 LUBRICATION ...............................................................................................................5-81
5.3 HARNESS ROUTING ....................................................................................................5-82