Konica Minolta bizhub 200 Service Manual page 30

Theory of Operation Ver. 2.5 Jul. 2006
16.2.2 Tray2 ........................................................................................................... 49
16.3 Operation ............................................................................................................ 50
16.3.1 Paper Feed control (Tray1).......................................................................... 50
16.3.2 Paper Feed control (Tray2).......................................................................... 50
16.3.3 Paper Feed Mechanism .............................................................................. 51
16.3.4 Paper Near-Empty/Paper Empty detection ................................................. 52
16.3.5 Tray ascent operation .................................................................................. 52
16.3.6 Paper size detection.................................................................................... 53
16.3.7 ON/OFF positions of Paper Size Detecting Switches/
Sensors and Corresponding Paper Size Detected ..................................... 54
16.3.8 Paper level indicator mechanism ................................................................ 55
16.3.9 Paper feed retry control............................................................................... 55
17. Bypass section ...................................................................................................... 56
17.1 Composition........................................................................................................ 56
17.2 Drive ................................................................................................................... 57
17.3 Operation ............................................................................................................ 57
17.3.1 Bypass Paper Feed control ......................................................................... 57
17.3.2 Paper Empty detection................................................................................ 58
17.3.3 Bypass Paper Lifting Motion Control........................................................... 59
17.3.4 Paper size detection.................................................................................... 60
18. Synchronizing Roller/Conveyance section ............................................................ 61
18.1 Composition........................................................................................................ 61
18.2 Drive ................................................................................................................... 61
18.3 Operation ............................................................................................................ 62
19. Fusing section ....................................................................................................... 63
19.1 Composition........................................................................................................ 63
19.2 Drive ................................................................................................................... 64
19.3 Operation ............................................................................................................ 65
19.3.1 Fusing Roller drive control .......................................................................... 65
19.3.2 Fusing temperature control ......................................................................... 65
19.3.3 Protection against abnormal conditions ...................................................... 68
20. Paper exit section .................................................................................................. 70
20.0.1 Composition ................................................................................................ 70
20.1 Drive ................................................................................................................... 70
21. Image stabilization control..................................................................................... 71
21.1 Overview............................................................................................................. 71
22. Image processing.................................................................................................. 72
22.1 Scanner section image processing block diagram.............................................. 72
22.2 Write section image processing block diagram 1 ............................................... 73
iii