Chapter 33-37F-3-235If you are fitting the drum cartridge in the machine with the top cover re-moved, be sure to do so with the drive release lever [1] fully in up position(i.e., with drive disengaged).If the drive release lever is in low position (i.e., with drive engaged), it forcesout the coupling [2], causing the coupling to interface with the drum car-tridge and to suffer damage.F-3-2363.2.17.9 Removing the Right Frame 0011-65921) Remove the 5 screws [1], and detach the right frame [2].F-3-2373.2.17.10 Removing the Left Frame 0007-79441) Remove the 4 screws [1], and detach the left frame [2].F-3-2383.2.17.11 Removing the Cassette Feeder 0007-79481) Lift the machine, and detach the cassette feeder [1].F-3-2393.2.17.12 Removing the Shield Plate 0011-66131) Free the flat cable [1] from the connector.2) Remove the 6 screws [2], and detach the shielding plate [3].F-3-2403.2.17.13 Removing the Fan Duct 0007-79501) Disconnect the 4 connectors [1], and remove the 2 claws [2].2) Slide the fan duct [3] in upward direction to detach.[1][2][1][2][1][1][2][1][1][2][1][2] [2][3] [1]