Contents3.5.10.9 Removing the Registration Clutch ............................................................................................................................................................3-1133.5.10.10 Removing the Main Drive Assembly......................................................................................................................................................3-1133.5.10.11 Removing the Waste Toner Detection PCB............................................................................................................................................3-1143.5.11 Developing Rotary/Toner Level Detection PCB ................................................................................................................... 3-1143.5.11.1 Removing the Rear Cover .........................................................................................................................................................................3-1143.5.11.2 Removing the Reader Assembly...............................................................................................................................................................3-1143.5.11.3 Removing the Right Cover........................................................................................................................................................................3-1153.5.11.4 Removing the Left Cover..........................................................................................................................................................................3-1153.5.11.5 Removing the Power Supply Assembly....................................................................................................................................................3-1163.5.11.6 Removing the Face-Down Cover..............................................................................................................................................................3-1163.5.11.7 Removing the Top Cover ..........................................................................................................................................................................3-1163.5.11.8 Removing the Right Frame .......................................................................................................................................................................3-1173.5.11.9 Removing the Registration Clutch ............................................................................................................................................................3-1173.5.11.10 Removing the Main Drive Assembly......................................................................................................................................................3-1173.5.11.11 Removing the Rotary Drive Assembly ...................................................................................................................................................3-1183.5.11.12 Removing the Left Frame .......................................................................................................................................................................3-1193.5.11.13 Removing the Fan Duct ..........................................................................................................................................................................3-1193.5.11.14 Removing the Laser Scanner Unit Base..................................................................................................................................................3-1193.5.11.15 Removing the Developing Rotary Assembly..........................................................................................................................................3-1193.5.11.16 Removing the Developing Rotary/Toner Level Detection PCB.............................................................................................................3-1203.5.12 Toner Cartridge Motor ........................................................................................................................................................... 3-1203.5.12.1 Removing the Rear Cover .........................................................................................................................................................................3-1203.5.12.2 Removing the Reader Assembly...............................................................................................................................................................3-1213.5.12.3 Removing the Right Cover........................................................................................................................................................................3-1213.5.12.4 Removing the Left Cover..........................................................................................................................................................................3-1213.5.12.5 Removing the Power Supply Assembly....................................................................................................................................................3-1223.5.12.6 Removing the Face-Down Cover..............................................................................................................................................................3-1223.5.12.7 Removing the Top Cover ..........................................................................................................................................................................3-1223.5.12.8 Removing the Right Frame .......................................................................................................................................................................3-1233.5.12.9 Removing the Shield Plate ........................................................................................................................................................................3-1233.5.12.10 Removing the Rotary Drive Assembly ...................................................................................................................................................3-1233.5.12.11 Removing the Toner Cartridge Motor.....................................................................................................................................................3-1243.6 PICKUP AND FEEDING SYSTEM .........................................................................................................................3-1243.6.1 Cassette Pickup Roller ............................................................................................................................................................. 3-1243.6.1.1 Removing the Cassettes ..............................................................................................................................................................................3-1243.6.1.2 Removing the Rear Cover ...........................................................................................................................................................................3-1243.6.1.3 Removing the Right Cover..........................................................................................................................................................................3-1243.6.1.4 Removing the Left Cover............................................................................................................................................................................3-1253.6.1.5 Removing the Cassette Pickup Roller.........................................................................................................................................................3-1253.6.2 Cassette Paper Sensor .............................................................................................................................................................. 3-1253.6.2.1 Removing the Cassettes ..............................................................................................................................................................................3-1253.6.2.2 Removing the Rear Cover ...........................................................................................................................................................................3-1253.6.2.3 Removing the Reader Assembly .................................................................................................................................................................3-1263.6.2.4 Removing the Right Cover..........................................................................................................................................................................3-1273.6.2.5 Removing the Left Cover............................................................................................................................................................................3-1273.6.2.6 Removing the Power Supply Assembly......................................................................................................................................................3-1273.6.2.7 Removing the Face-Down Cover................................................................................................................................................................3-1273.6.2.8 Removing the Top Cover ............................................................................................................................................................................3-1273.6.2.9 Removing the Right Frame .........................................................................................................................................................................3-1293.6.2.10 Removing the Left Frame .........................................................................................................................................................................3-1293.6.2.11 Removing the Cassette Feeder ..................................................................................................................................................................3-1293.6.2.12 Removing the Cassette Paper Sensor ........................................................................................................................................................3-1293.6.3 Cassette Feed Sensor................................................................................................................................................................ 3-1293.6.3.1 Removing the Cassettes ..............................................................................................................................................................................3-1293.6.3.2 Removing the Rear Cover ...........................................................................................................................................................................3-1293.6.3.3 Removing the Reader Assembly .................................................................................................................................................................3-1303.6.3.4 Removing the Right Cover..........................................................................................................................................................................3-1313.6.3.5 Removing the Left Cover............................................................................................................................................................................3-1313.6.3.6 Removing the Power Supply Assembly......................................................................................................................................................3-1313.6.3.7 Removing the Face-Down Cover................................................................................................................................................................3-1313.6.3.8 Removing the Top Cover ............................................................................................................................................................................3-131