Xerox 8825 Service Manual page 307

Block Schematic Diagrams
Level 1 BSD
How To Use BSDs ..........................................................................................................
Level 1 BSD ....................................................................................................................
Standby Power
BSD 1.1A Main Power On (With "Delta" Noise Filter) (50 and 60 HZ) ............................
BSD 1.1B Main Power On (With "CORCOM" Noise Filter) (50 and 60 HZ) ....................
BSD1.2 Power Generation (1 of 3) (Without Tag/ MOD 25) ...........................................
BSD 1.2 DC Power Generation (1 of 3) (With TAG/ MOD 25) and (50 Hz With TAG/ MOD 50)
7-16
BSD 1.2 DC Power Generation (1 of 3) (W/ Tag 25 Driver PWB Only) ..........................
BSD 1.2 DC Power Generation (1 of 3) (With Tag 25 and Updated Driver PWB) ..........
BSD 1.3 Interlock Monitoring ..........................................................................................
BSD 1.4 Machine Cooling ...............................................................................................
Mode Control
BSD 2.1 Mode Selection .................................................................................................
Machine Run Control
BSD 3.1 Machine Run Control ........................................................................................
Print Power
BSD 4.1 Fuser Roll Drive ................................................................................................
BSD 4.2 Developer Drive ................................................................................................
BSD 4.3 Drum Drive........................................................................................................
Imaging Imaging (Right Side)
BSD 6.1 Imaging Right Side (W/ O TAGS 27 and 28) (Differential) ...............................
BSD 6.1 Imaging Right Side (1 of 2) (With TAGS 27 and 28) (Single Ended) ................
BSD 6.2 Imaging Left Side (1 of 2) (Without TAGS 27 and 28) (Differential) .................
BSD 6.2 Imaging Left Side (1 of 2) (With TAGS 27 and 28) (Single Ended) ..................
Paper Supplying
BSD 7.1 Media Drive.......................................................................................................
BSD 7.2 Media Feed, Roll 1............................................................................................
BSD 7.3 Media Feed, Roll 2............................................................................................
BSD 7.4 Media Feed, Roll 3............................................................................................
BSD 7.5 Media Cutting....................................................................................................
Paper Feeding
BSD 8.1 Media Registration and Transportation.............................................................
8825/8830 Printer
Xerographics
BSD 9.1 Charging ...........................................................................................................
BSD 9.2 Exposure...........................................................................................................
7-3
BSD 9.3 Development.....................................................................................................
7-4
BSD 9.4 Image Transfer and Media Stripping.................................................................
BSD 9.5 Drum Cleaning ..................................................................................................
BSD 9.6 Drum Discharging .............................................................................................
7-9
BSD 9.7 Toner/Developer Dispense ...............................................................................
7-11
BSD 9.8 Corotron and Developer Bias Power ................................................................
7-13
Print Transportation and Fusing
BSD 10.1 Fuser Heat (W/ O TAG/ MOD 25 AND 50) .....................................................
7-19
BSD 10.1 Fuser Heat (W/TAG25) AND (W/ O TAG 50) .................................................
7-22
BSD 10.1 Fuser Heat (W/25 AND TAG 50) ..................................................................
7-25
BSD 10.2 Fuser Oil Dispensing.......................................................................................
7-27
BSD 10.3 Fusing and Media Exit ....................................................................................
Plug/Jack
7-29
Plug/Jack List ..................................................................................................................
7-31
7-33
7-35
7-37
7-39
7-41
7-43
7-45
7-47
7-49
7-51
7-53
7-55
7-57
01/02
7-1
7 Wiring Data
7-61
7-63
7-64
7-66
7-67
7-69
7-71
7-73
7-75
7-78
7-81
7-84
7-86
7-89
Wiring Data