Brother International HL-2400C Service Manual - Page 218

4.2.6 IOD1 PCB 1) Remove the set screws ST3X6 (3 pcs.) from the shield (upper). 2) Disconnect all the harness connectors (14 pcs.) connected to the IOD1 PCB. Note that the DCN3 connector is a link plug and need not be removed unless necessary. 3) Remove the set screws ST3X6 (6 pcs.) from the IOD1 PCB. 4) Remove the IOD1 PCB. IOD1 PCB Shield Cover (Upper) Fig.7-30 PRECAUTION When handling the IOD1 PCB, take care that no damage is caused due to electrostatic charges. 4.2.7 Control Fan (CTFAN) 1) Remove the set screw BT3X8 (2 pcs) and washer holding the fan and interlock assembly. (Fig.7-31) 2) Remove the fan and interlock assembly. 3) Remove the fan motor from the fan case after releasing the fan cover plastic clips. (Fig.7-32) Control Fan Asembly Fan case Control Fan Switch Base Fig.7-31 Clips Fig.7-32 VII-20