Contents
8.3.3.1 Door Open Jam.....
............................................................................................................................. 8- 25
8.4 Cassette Pick-Up Unit ..................................................................................................................................... 8- 26
8.4.1Overview ................................................................................................................................................... 8- 26
8.4.2Basic Sequence ......................................................................................................................................... 8- 27
8.4.3Identifying the Paper Size ......................................................................................................................... 8- 27
8.4.4Setting Up the Universal Cassette............................................................................................................. 8- 29
8.4.5Paper Level Sensor.................................................................................................................................... 8- 30
8.5 Manual Feed Pickup Unit................................................................................................................................ 8- 34
8.5.1Overview ................................................................................................................................................... 8- 34
8.5.2Basic Sequence of Operation .................................................................................................................... 8- 35
8.5.3Identifying the Paper Size ......................................................................................................................... 8- 35
8.5.4Paper Retaining Mechanism...................................................................................................................... 8- 36
8.6 Registration Unit ............................................................................................................................................. 8- 38
8.6.1Overview ................................................................................................................................................... 8- 38
8.6.2Checking Horizontal Registration............................................................................................................. 8- 38
8.7 Duplex Feeding Unit ....................................................................................................................................... 8- 40
8.7.1Overview ................................................................................................................................................... 8- 40
8.7.2Overview ................................................................................................................................................... 8- 41
8.7.3Sequence of Image Formation................................................................................................................... 8- 42
8.7.4Sequence of Image Formation................................................................................................................... 8- 44
8.7.5Flow of Paper (w/o/ delivery option) ........................................................................................................ 8- 45
8.7.6Flow of Paper (w/ delivery option) ........................................................................................................... 8- 51
8.7.7Flow of Paper ........................................................................................................................................... 8- 57
8.8 Parts Replacement Procedure.......................................................................................................................... 8- 64
8.8.1 Pick-up Unit 1........................................................................................................................................... 8- 64
8.8.1.1 Removing the Right Cover (rear)...................................................................................................... 8- 64
8.8.1.2 Removing the Right Door ................................................................................................................. 8- 64
8.8.1.3 Removing the Right Door ................................................................................................................. 8- 65
8.8.1.4 Removing the Right Cover (lower front) .......................................................................................... 8- 66
8.8.1.5 Removing the Pickup Assembly 1 .................................................................................................... 8- 66
8.8.2 Pick-up Unit 2........................................................................................................................................... 8- 67
8.8.2.1 Removing the Right Cover (rear)...................................................................................................... 8- 67
8.8.2.2 Removing the Right Cover (lower front) .......................................................................................... 8- 67
8.8.2.3 Removing the Pickup Assembly 2 .................................................................................................... 8- 67
8.8.3 Pickup Roller ............................................................................................................................................ 8- 68
8.8.3.1 Removing the Pickup Roller/Feed Roller/Separation Roller ............................................................ 8- 68
8.8.4 Sensor Mount............................................................................................................................................ 8- 68
8.8.4.1 Removing the Right Cover (rear)...................................................................................................... 8- 68
8.8.4.2 Removing the Right Door ................................................................................................................. 8- 68
8.8.4.3 Removing the Right Door ................................................................................................................. 8- 70
8.8.4.4 Removing the Right Cover (lower front) .......................................................................................... 8- 70
8.8.4.5 Removing the Pickup Assembly 1 .................................................................................................... 8- 71
8.8.4.6 Removing the Pickup Assembly 2 .................................................................................................... 8- 71
8.8.4.7 Removing the Sensor Mounting Plate............................................................................................... 8- 71
8.8.4.8 Mounting the Sensor Mounting Plate................................................................................................ 8- 72
8.8.5 Cassette Pick-up Motor 1.......................................................................................................................... 8- 73
8.8.5.1 Removing the Rear Cover ................................................................................................................. 8- 73
8.8.5.2 Removing the Right Cover (rear)...................................................................................................... 8- 73
8.8.5.3 Removing the Pickup Motor Base..................................................................................................... 8- 74
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