Contents
2.4.2.5 Fixing bias generation............................................................................................................................................................ 2- 13
2.4.2.6 Cartridge presence detection................................................................................................................................................. 2- 13
2.5.1 Overview/Configuration..........................................................................................................................................2- 13
2.5.1.1 Outline.................................................................................................................................................................................... 2- 13
2.5.2 Detecting Jams ......................................................................................................................................................2- 14
2.5.2.1 Jam Detection Outline............................................................................................................................................................ 2- 14
2.5.2.2 Delay Jams ............................................................................................................................................................................ 2- 15
2.5.2.3 Stationary Jams ..................................................................................................................................................................... 2- 15
2.5.2.4 Other Jams ............................................................................................................................................................................ 2- 15
2.5.3 Cassette Pickup .....................................................................................................................................................2- 15
2.5.3.1 Cassette pick-up .................................................................................................................................................................... 2- 15
2.5.4 Multi-purpose Pickup .............................................................................................................................................2- 16
2.5.4.1 Manual Fees pick-ip............................................................................................................................................................... 2- 16
2.5.5 Duplex Feeding......................................................................................................................................................2- 16
2.5.5.1 Outline.................................................................................................................................................................................... 2- 16
2.5.5.2 Operation ............................................................................................................................................................................... 2- 16
2.6.1 Fan.........................................................................................................................................................................2- 17
2.6.1.1 Fan motor control................................................................................................................................................................... 2- 17
2.6.2 Power Supply.........................................................................................................................................................2- 17
2.6.2.1 Power Supply......................................................................................................................................................................... 2- 17
2.6.2.2 Protective Functions .............................................................................................................................................................. 2- 18
2.7 ENGINE CONTROL SYSTEM ................................................................................................................. 2- 19
2.7.1 Video Controller .....................................................................................................................................................2- 19
2.7.1.1 Outline.................................................................................................................................................................................... 2- 19
2.7.1.2 Outline of Operation by Block ................................................................................................................................................ 2- 19
2.7.1.3 Overview ................................................................................................................................................................................ 2- 20
2.7.1.4 Outline of Operation by Block ................................................................................................................................................ 2- 20
2.7.2 Engine Controller ...................................................................................................................................................2- 21
2.7.2.1 Outline.................................................................................................................................................................................... 2- 21
2.8.1 Overview/Configuration..........................................................................................................................................2- 23
2.8.1.1 Outline.................................................................................................................................................................................... 2- 23
2.8.2 Various Control Mechanisms .................................................................................................................................2- 24
2.8.2.1 Fixing Temperature Control ................................................................................................................................................... 2- 24
2.8.2.2 Protective Functions .............................................................................................................................................................. 2- 25
3.1.1 Rear Cover...............................................................................................................................................................3- 1
3.1.1.2 Removing the rear cover unit................................................................................................................................................... 3- 1
3.1.2 Right Cover ..............................................................................................................................................................3- 1
3.1.2.1 Detaching the right cover ......................................................................................................................................................... 3- 1
3.1.3 Left Cover ................................................................................................................................................................3- 2
3.1.3.1 Detaching the left cover ........................................................................................................................................................... 3- 2
3.1.4 Upper Cover.............................................................................................................................................................3- 3
3.1.4.2 Detaching the upper cover....................................................................................................................................................... 3- 3
3.1.4.3 Detaching the upper cover....................................................................................................................................................... 3- 3
3.1.5 Front Cover ..............................................................................................................................................................3- 4
3.1.5.2 Detaching the front cover unit .................................................................................................................................................. 3- 4
3.1.6 Main Drive Unit ........................................................................................................................................................3- 5
3.1.7 Duplexing Drive Unit ................................................................................................................................................3- 6