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2-5
Confidential
2.3
Function of Each Sensor/Roller
■
Document scanning
■
Printing part
Part Name
Function
Document detection actuator
This detects whether documents are loaded on the document tray.
Document pick-up roller
This pulls documents loaded in the document tray.
Document separation roller,
ADF separation pad
This separates documents sent through the document pick-up
roller into individual sheets.
Document feed roller 1
This feeds a document to the CIS unit.
Document scanning position actuator
This detects the leading edge of document pages, indicating the
scanning start position.
This detects paper jamming in the ADF.
Document feed roller 2
This ejects the scanned document to ADF ejection tray support.
Part Name
Function
Paper pull-in roller
This feeds the recording paper from the paper tray.
Registration actuator
This detects the leading edge of the recording paper and controls
the print start position.
This controls disc tray position during disc printing.
This detects the trailing edge of the recording paper and
determines the recording paper size.
This detects paper jamming in the rear.
Paper feed roller
This corrects the inclination of the recording paper when its
leading edge hits the stopped paper feed roller.
After the correction, the paper feed roller rotates and the
recording paper is fed to the print start position.
This feeds the disc tray during disc printing.
Pressure roller release actuator
In disc printing, this detects whether the pressure roller is
released.
Paper ejection roller
This feeds printed recording paper to the switchback roller.
This pulls in and ejects the disc tray during disc printing.
Switchback roller
This ejects the recording paper to the paper ejecting tray.
During duplex printing, the front of the recording paper is
printed on, then after it is fed from the switchback roller to some
extent, it is rotated backwards and fed to the DX chute.
Duplex paper feed roller
This feeds the recording paper, which passes through the DX
chute, to the paper feed roller during duplex printing.
Содержание DCP-J552DW
Страница 120: ...3 3 Confidential 2 PACKING 3_002 ...
Страница 127: ...3 10 Confidential 2 CIS flat cable 3_011 CIS flat cable Cable guide Cable guide Flat core ...
Страница 220: ...4 10 Confidential ADF Copy Chart C A B D ...
Страница 241: ...5 9 Confidential Print Pattern for Creating Head Calibration Data Fit this mark on the left rear of ...
Страница 244: ...5 12 Confidential Scanning Compensation Data List ...
Страница 246: ...5 14 Confidential Test Pattern ...
Страница 254: ...5 22 Confidential MFC J450DW J470DW J475DW MFC J650DW J870DW J875DW ...
Страница 270: ...5 38 Confidential pfadj1 Pattern ...
Страница 271: ...5 39 Confidential pfadj2 Pattern ...
Страница 272: ...5 40 Confidential pfadj3 Pattern ...
Страница 278: ...5 46 Confidential Vertical Lines Check Pattern ...
Страница 279: ...5 47 Confidential Ruled Lines Check Pattern ...
Страница 283: ...5 51 Confidential Margin Check Pattern ...
Страница 284: ...5 52 Confidential Margin Check Pattern ...
Страница 314: ...6 3 Confidential Power supply PCB 100 V series ...
Страница 315: ...6 4 Confidential Power supply PCB 200 V series ...
Страница 329: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...