Chapter 77-127) Detach ground wire [1] from harness guide [2].- Screw [3], 1 pc.F-7-238) Detach ground wire [1] from wire saddle [2] and harness guide [3].- Screw [4], 1pc.F-7-249) Remove the cassette unit by lifting the machine.7.5.3 Cassette Pickup Assembly7.5.3.1 Removing the Cassette Pickup Assembly 0017-85651) Detach the lower-left cover.2) Detach the cassette rear cover.3) Remove the cassette pickup assembly [1].- Screw [2], 5 pcs.- Screw with toothed washer [3], 1pc .- Connector [4], 3pcs.F-7-257.5.4 Cassette Size Sensor7.5.4.1 Removing the Paper Size Detection Switches 0017-85681) Remove the paper size switches [1].- Screw [2], 1 pc.F-7-267.5.5 Cassette Retry Paper Sensor7.5.5.1 Removing the Retry Sensor 0017-85691) Detach the lower-left cover.2) Detach the cassette rear cover.3) Remove the cassette pickup.1) Remove the retry sensor [1].- Connector [2], 1 pc.F-7-277.5.6 Cassette Paper Sensor7.5.6.1 Removing the Cassette Paper Presence/AbsenceSensor 0017-85701) Detach the lower-left cover.2) Detach the cassette rear cover.3) Remove the cassette pickup.[1][3] [2][4][2][1][3][2][3][4][2][4][1]Install the cassette pickup assembly with the ground plate [1] outside theside plate.[1][1] [2][2] [1]