Olivetti d-Color MF4003 Service Manual page 20

2.1.4 EK-P09 ........................................................................................................................................................................ M-13
2.1.5 UK-P19 ........................................................................................................................................................................ M-13
2.1.6 CU-202 ........................................................................................................................................................................ M-14
2.2 RELAY CONNECTOR LAYOUT DRAWING ........................................................................................................................ M-14
2.2.1 d-Color MF4003/MF3303 ............................................................................................................................................. M-14
N TIMING CHART..............................................................................................................................N-1
1. d-Color MF4003/MF3303 ..........................................................................................................................................N-1
1.1 Timing chart when the main power switch is turned ON......................................................................................................... N-1
O WIRING DIAGRAM ....................................................................................................................... O-1
1. d-Color MF4003/MF3303 ..........................................................................................................................................O-1
1.1 Main body ............................................................................................................................................................................... O-1
P THEORY OF OPERATION ............................................................................................................P-1
1. d-Color MF4003/MF3303 ..........................................................................................................................................P-1
1.1 INTERFACE SECTION ...........................................................................................................................................................P-1
1.1.1 Front side / Right side.....................................................................................................................................................P-1
1.1.2 Rear side / left side.........................................................................................................................................................P-1
1.2 AUTOMATIC DOCUMENT FEEDER SECTION .....................................................................................................................P-2
1.2.1 Configuration ..................................................................................................................................................................P-2
1.2.2 Paper path ......................................................................................................................................................................P-2
1.2.3 Drive ...............................................................................................................................................................................P-3
1.2.4 Operation........................................................................................................................................................................P-3
1.3 SCANNER SECTION ..............................................................................................................................................................P-5
1.3.1 Configuration ..................................................................................................................................................................P-5
1.3.2 Drive ...............................................................................................................................................................................P-5
1.3.3 Operation........................................................................................................................................................................P-5
1.4 WRITE SECTION ....................................................................................................................................................................P-7
1.4.1 Configuration ..................................................................................................................................................................P-7
1.4.2 Operation........................................................................................................................................................................P-7
1.5 TONER SUPPLY SECTION ..................................................................................................................................................P-11
1.5.1 Configuration ................................................................................................................................................................P-11
1.5.2 Drive .............................................................................................................................................................................P-12
1.5.3 Operation......................................................................................................................................................................P-12
1.6 IMAGING UNIT......................................................................................................................................................................P-15
1.6.1 Imaging unit (overall configuration) ..............................................................................................................................P-15
1.6.2 Imaging unit (charge corona)........................................................................................................................................P-17
1.6.3 Imaging unit (photoconductor)......................................................................................................................................P-19
1.6.4 Imaging unit (developing) .............................................................................................................................................P-22
1.7 1ST TRANSFER SECTION...................................................................................................................................................P-25
1.7.1 Configuration ................................................................................................................................................................P-25
1.7.2 Drive .............................................................................................................................................................................P-26
1.7.3 Operation......................................................................................................................................................................P-26
1.8 2ND TRANSFER SECTION ..................................................................................................................................................P-31
1.8.1 Configuration ................................................................................................................................................................P-31
1.8.2 Drive .............................................................................................................................................................................P-31
1.8.3 Operation......................................................................................................................................................................P-31
1.9 TONER COLLECTING SECTION .........................................................................................................................................P-33
1.9.1 Configuration ................................................................................................................................................................P-33
1.9.2 Drive .............................................................................................................................................................................P-33
1.9.3 Operation......................................................................................................................................................................P-34
1.10 PAPER FEED SECTION (Manual bypass tray) ..................................................................................................................P-37
1.10.1 Configuration ..............................................................................................................................................................P-37
1.10.2 Drive ...........................................................................................................................................................................P-37
1.10.3 Operation....................................................................................................................................................................P-37
1.11 PAPER FEED SECTION (Tray 1) .......................................................................................................................................P-39
1.11.1 Configuration ..............................................................................................................................................................P-39
1.11.2 Drive ...........................................................................................................................................................................P-39
1.11.3 Operation....................................................................................................................................................................P-39
1.12 REGISTRATION SECTION.................................................................................................................................................P-43
1.12.1 Configuration ..............................................................................................................................................................P-43
1.12.2 Drive ...........................................................................................................................................................................P-44
1.12.3 Operation....................................................................................................................................................................P-44
1.13 FUSING SECTION ..............................................................................................................................................................P-45
1.13.1 Configuration ..............................................................................................................................................................P-45
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