Brother HL-2700CN Series, Service Manual

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4.34 Right Tray Guide PU.......................................................................................................VII-36
4.35 Engine Control Board PU ...............................................................................................VII-37
4.36 HV Power Supply PU......................................................................................................VII-38
4.37 LV Power Supply PU / Power Supply Bracket PU Assy.................................................VII-39
4.38 Fuser Connector PU.......................................................................................................VII-40
4.39 Toner Retract Solenoid PU (DESLY/DESLM/DESLC/DESLK) /
Toner Retract Cam PU....................................................................................................VII-41
4.40 Toner Sensor PU (TTR)..................................................................................................VII-42
4.41 Toner Present Sensor PU...............................................................................................VII-43
4.42 Belt Sensor .....................................................................................................................VII-43
4.43 Left Tray Guide PU / Paper Size Sensor PU / Room Temp Thermistor PU ..................VII-44
4.44 Left Toner Guide PU.......................................................................................................VII-45
4.45 Upper Duplex Cover / Lower Duplex Cover ...................................................................VII-45
4.46 Paper Exit Unit................................................................................................................VII-46
4.47 Transfer Roller Assy PU .................................................................................................VII-47
4.48 Transfer Base Assy PU ..................................................................................................VII-47
4.49 Registration Roller Assy PU ...........................................................................................VII-48
4.50 Registration Actuator PU ................................................................................................VII-48
4.51 Transfer Roller Guide PU ...............................................................................................VII-49
4.52 Exit Guide Assy PU / Exit Drive Assy PU / Exit Idle Roller Assy PU..............................VII-49
4.53 Paper Sensor (PFUL) .....................................................................................................VII-51
4.54 Exit Roller Assy PU / Paper Exit Actuator PU ................................................................VII-51
4.55
Fuser Exit Actuator PU
...................................................................................................VII-52
4.56
Paper Sensor (PT2)
...................................................................................................VII-52
4.57 Discharging Brush PU ....................................................................................................VII-53
4.58 Exit Fan PU / Exit Fan Duct PU......................................................................................VII-54
4.59 Rear Cover Latch Assy PU.............................................................................................VII-55
4.60 Paper Guide (A) PU........................................................................................................VII-56
4.61 Paper Guide (B) PU........................................................................................................VII-56
4.62 Paper Guide (C) PU / Paper Sensor (PT1, PEU) / OHP Sensor PU /
Tray Empty Actuator PU.................................................................................................VII-57
4.63 Paper Guide (D) PU........................................................................................................VII-58
4.64 Paper Feed Roller / Separator Pad ................................................................................VII-58
5. ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER
PARTS REPLACEMENT .............................................................................VII-59
CHAPTER VIII TROUBLESHOOTING ......................................... VIII-1
1. OUTLINE OF TROUBLESHOOTING.......................................................VIII-1
2. OPERATOR CALL ...................................................................................VIII-2
2.1 Operator call .....................................................................................................................VIII-2
2.2 In case that the operator call is not cleared .....................................................................VIII-5
3. PAPER TRANSPORT ERROR ..............................................................VIII-18
3.1 Feed Jam........................................................................................................................VIII-18
3.2 Inner Jam........................................................................................................................VIII-19
4. P
RINTER
E
RROR
........................................................................................VIII-20