Konica Minolta BIZHUB 164, Service Manual

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bizhub 164
OUTLINE
COMPOSITION/
OPERA
TION
Theory of Operation V er. 1.1 Apr. 2010
ii
9.2 Drive ................................................................................................................... 19
9.3 Operation............................................................................................................ 20
9.3.1 Toner Replenishing Mechanism.................................................................. 20
9.3.2 Toner Replenishing Control ........................................................................ 21
9.3.3 T/C Recovery Mode.................................................................................... 21
9.3.4 Detection of toner empty condition ............................................................. 22
10. IMAGI N G U N IT SECTIO N .................................................................................... 23
10.1 Configuration ...................................................................................................... 23
10.2 Operation............................................................................................................ 23
10.2.1 Imaging unit life detection ........................................................................... 23
11. IMAGI N G U N IT SECTIO N (Drum) ........................................................................ 24
11.1 Configuration ...................................................................................................... 24
11.2 Drive ................................................................................................................... 25
11.3 Operation............................................................................................................ 25
11.3.1 Drum drive .................................................................................................. 25
12. IMAGI N G U N IT SECTIO N (charge corona).......................................................... 26
12.1 Configuration ...................................................................................................... 26
12.2 Operation............................................................................................................ 27
13. IMAGI N G U N IT SECTIO N (developing)................................................................ 28
13.1 Configuration ...................................................................................................... 28
13.2 Drive ................................................................................................................... 29
13.3 Operation............................................................................................................ 30
13.3.1 Toner flow ................................................................................................... 30
13.3.2 Developing Bias .......................................................................................... 31
13.3.3 TCR Sensor Automatic Adjustment ............................................................ 31
14. TRA N SFER/SEPARATIO N SECTIO N .................................................................. 32
14.1 Configuration ...................................................................................................... 32
14.2 Drive ................................................................................................................... 33
14.3 Operation............................................................................................................ 33
14.3.1 Transfer voltage output control.................................................................... 33
14.3.2 Transfer roller cleaning control.................................................................... 33
14.3.3 Paper Separation control ............................................................................ 34
15. TO N ER COLLECTIO N SECTIO N ......................................................................... 35
15.1 Configuration ...................................................................................................... 35
15.2 Drive ................................................................................................................... 36
15.3 Operation............................................................................................................ 37
15.3.1 Toner collecting path................................................................................... 37
16. PAPER FEED SECTIO N (Tray1)........................................................................... 38
16.1 Configuration ...................................................................................................... 38