Service Manual
Page 3
...rapidly repair the equipment and order any necessary spare parts. CHAPTER I. It includes information required for field troubleshooting and repair--disassembly, reassembly, and lubrication--so that the facsimile equipment is always in best condition for major countries. CHAPTER II. PREFACE ... to change depending upon each destination. Appendix 4. This manual is made up of the Brother facsimile equipment. CHAPTER IV. GENERAL DESCRIPTION INSTALLATION THEORY OF OPERATION DISASSEMBLY/REASSEMBLY AND LUBRICATION MAINTENANCE MODE ERROR INDICATION AND TROUBLESHOOTING Appendix 1.
...rapidly repair the equipment and order any necessary spare parts. CHAPTER I. It includes information required for field troubleshooting and repair--disassembly, reassembly, and lubrication--so that the facsimile equipment is always in best condition for major countries. CHAPTER II. PREFACE ... to change depending upon each destination. Appendix 4. This manual is made up of the Brother facsimile equipment. CHAPTER IV. GENERAL DESCRIPTION INSTALLATION THEORY OF OPERATION DISASSEMBLY/REASSEMBLY AND LUBRICATION MAINTENANCE MODE ERROR INDICATION AND TROUBLESHOOTING Appendix 1.
Service Manual
Page 40
... IV-1 n Safety Precautions IV-1 n Preparation...IV-2 n How to Access the Object Component IV-2 n Disassembly Order Flow IV-3 1.1 Rear Cover ...IV-4 1.2 Access Plates R and F IV-4 1.3 Control Panel ASSY IV-5 1.4 Panel Rear Cover and Control Panel IV-6 1.5 Document Feed Roller ASSY, ... Outer Chute and Paper Pinch Rollers IV-26 1.14 Main Cover ...IV-27 1.15 Switch Cover ...IV-28 1.16 Laser Unit ...IV-29 1.17 Heat-fixing Unit and FU Lamp IV-30 [Disassembling the heat-fixing unit IV-32 1.18 Fan ...IV-44 1.19 Drive Gear ASSY and Main Motor ASSY IV...
... IV-1 n Safety Precautions IV-1 n Preparation...IV-2 n How to Access the Object Component IV-2 n Disassembly Order Flow IV-3 1.1 Rear Cover ...IV-4 1.2 Access Plates R and F IV-4 1.3 Control Panel ASSY IV-5 1.4 Panel Rear Cover and Control Panel IV-6 1.5 Document Feed Roller ASSY, ... Outer Chute and Paper Pinch Rollers IV-26 1.14 Main Cover ...IV-27 1.15 Switch Cover ...IV-28 1.16 Laser Unit ...IV-29 1.17 Heat-fixing Unit and FU Lamp IV-30 [Disassembling the heat-fixing unit IV-32 1.18 Fan ...IV-44 1.19 Drive Gear ASSY and Main Motor ASSY IV...
Service Manual
Page 42
When having access to the power supply, be sure to unplug the power cord from the power outlet. (2) When servicing the optical system of the laser printing unit, be careful not to discharge static electricity; Be sure to take care not to damage the resin parts such as wires, PCBs, and ... from the power outlet before accessing parts or units inside this unit is HOT! (4) Be careful not to reinsert self-tapping screws correctly, if removed. DISASSEMBLY/REASSEMBLY n Safety Precautions To prevent the creation of the...
When having access to the power supply, be sure to unplug the power cord from the power outlet. (2) When servicing the optical system of the laser printing unit, be careful not to discharge static electricity; Be sure to take care not to damage the resin parts such as wires, PCBs, and ... from the power outlet before accessing parts or units inside this unit is HOT! (4) Be careful not to reinsert self-tapping screws correctly, if removed. DISASSEMBLY/REASSEMBLY n Safety Precautions To prevent the creation of the...
Service Manual
Page 43
the paper cassette, and - the drum unit (with toner cartridge loaded) (*For those models equipped with handset.) n How to the disassembly procedure, (1) Unplug - To remove the heat-fixing unit, for example, first find it on the flow and learn its number ( in the... jack of removal. You need to remove parts numbered , , , , , and so as to access the heat-fixing unit. • Unless otherwise specified, the disassembled parts or components should be reassembled in this case). the modular jack of an external telephone set if connected. (Not shown below.) (2) Remove - the power...
the paper cassette, and - the drum unit (with toner cartridge loaded) (*For those models equipped with handset.) n How to the disassembly procedure, (1) Unplug - To remove the heat-fixing unit, for example, first find it on the flow and learn its number ( in the... jack of removal. You need to remove parts numbered , , , , , and so as to access the heat-fixing unit. • Unless otherwise specified, the disassembled parts or components should be reassembled in this case). the modular jack of an external telephone set if connected. (Not shown below.) (2) Remove - the power...
Service Manual
Page 44
...cassette relay PCB *5 1.13 1.13 Outer chute Paper pinch rollers 1.15 1.16 Switch cover Laser unit 1.17 Heat-fixing unit - Heater roller - Document pressure bar - on those models ...fixing unit are a jam sensor and heater thermistor. (NOTE 4) The main PCB monitors the internal resistance of a control panel PCB and document sensor PCB. On the former PCB is a...8) 1.25 Paper pick-up roller 1.27 Clutch levers and cassette guide L 1.27 Solenoid IV - 3 n Disassembly Order Flow 1.3 Control panel ASSY 1.4 Panel rear cover - LCD 1.7 Scanner frame ASSY 1.5 Document feed roller ASSY...
...cassette relay PCB *5 1.13 1.13 Outer chute Paper pinch rollers 1.15 1.16 Switch cover Laser unit 1.17 Heat-fixing unit - Heater roller - Document pressure bar - on those models ...fixing unit are a jam sensor and heater thermistor. (NOTE 4) The main PCB monitors the internal resistance of a control panel PCB and document sensor PCB. On the former PCB is a...8) 1.25 Paper pick-up roller 1.27 Clutch levers and cassette guide L 1.27 Solenoid IV - 3 n Disassembly Order Flow 1.3 Control panel ASSY 1.4 Panel rear cover - LCD 1.7 Scanner frame ASSY 1.5 Document feed roller ASSY...
Service Manual
Page 63
IV - 22 Take care not to those models equipped with a handset: (3) Disassemble the handset mount by unhooking two latches "a" of the upper handset mount with a flat screwdriver. (4) Remove the hook switch PCB ASSY by unhooking latch "b." (5) Disconnect ...
IV - 22 Take care not to those models equipped with a handset: (3) Disassemble the handset mount by unhooking two latches "a" of the upper handset mount with a flat screwdriver. (4) Remove the hook switch PCB ASSY by unhooking latch "b." (5) Disconnect ...
Service Manual
Page 73
... unit. (4) Remove the two screws from the top of the heat-fixing unit. (5) Unlatch the upper FU frame from the lower one at each of the right and left ends. [Disassembling the heat-fixing unit] (1) Remove the three screws and take off the FU front paper guide. (2) Remove the three screws and...
... unit. (4) Remove the two screws from the top of the heat-fixing unit. (5) Unlatch the upper FU frame from the lower one at each of the right and left ends. [Disassembling the heat-fixing unit] (1) Remove the three screws and take off the FU front paper guide. (2) Remove the three screws and...
Service Manual
Page 100
1.25 Gears and Paper Pick-up Roller (1) Place the main chassis upside down. (2) Remove the inner gear 54 (by pulling its pawl outwards), gear 45 set P/R, gear 20 P/R, and the bushing from the end of the paper pick-up roller shaft. (3) Remove the pawled bushing by pulling its pawl outwards, then remove the paper pick-up roller and its shaft. (4) Remove the gear 40/54, gear 45 set F/R, and gear 20 F/R. (5) If the engine PCB has been removed, take out the cassette sensor actuator. (This prevents the actuator from dropping during the following disassembly jobs.) IV - 59
1.25 Gears and Paper Pick-up Roller (1) Place the main chassis upside down. (2) Remove the inner gear 54 (by pulling its pawl outwards), gear 45 set P/R, gear 20 P/R, and the bushing from the end of the paper pick-up roller shaft. (3) Remove the pawled bushing by pulling its pawl outwards, then remove the paper pick-up roller and its shaft. (4) Remove the gear 40/54, gear 45 set F/R, and gear 20 F/R. (5) If the engine PCB has been removed, take out the cassette sensor actuator. (This prevents the actuator from dropping during the following disassembly jobs.) IV - 59