Brother International HL 1240 Service Manual - Page 79

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 3.9 Fixing Unit (1) Place the main frame on its base so that the rear side is facing you. (2) Press the two hooks inwards to remove gear 59. (3) Disconnect the two connectors of the heater harness and release the harness from the hooks on the top of the fixing unit. (4) Remove the one M3x8 Taptite screw and two shoulder screws securing the fixing unit, taking care not to lose the contact spring fitted to the front left hand should screw position. Shoulder screw Heater harness connector Taptite, cup M3x8 Gear 59 Gear 59 Main frame Step (2) Fixing unit Heater harness Fig. 4-28 NOTE: When re-assembling the fixing unit, ensure you do not forget to assemble gear 59. (5) Lift up the fixing unit and move it toward you and to the left to allow the drive gear to clear the frame and then disconnect the thermistor connector from the engine PCB. (6) Remove the fixing unit from the main frame. Engine PCB Thermistor connector Fig. 4-29 4-17 Main frame