Sharp FO-2080 Especificações Página 39

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 180
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 38
c. Optical section
<1> Scanner (reading) section
No.
Parts
Note
Code
Signal
name
Name Type Function/operation Active condition
1 Scanner lamp
control PWB
Drives the scanner lamp. Maintains the
lamp light quantity at a constant level.
2 Scanner drive wire Transmits the scanner motor power to
the scanner unit.
3 Scanner motor Drives the scanner unit.
4 MHPS MHPS Scanner home
position sensor
Photo
transmission
sensor
Detects the scanner home position. By
this signal the image scanning
operation is controlled.
HIGH (5V) when
the home position
is detected.
5 Lens Transfers the document image to CCD.
6 CCD
SENSOR
CCD OUT CCD (Image)
sensor
CCD Scans the document images (photo
signals) and converts them into
electrical signals.
Digital signal (8Bit)
7 Scanner lamp Radiates light to the document to allow
the CCD to scan the document images.
8 SL SENSOR PDA/PDK Scanner lamp light
quantity sensor
Photo diode Detects the scanner lamp light
quantity. This signal is inputted to the
scanner lamp control PWB to control
the scanner lamp drive voltage to
maintain a constant level of light
quantity.
Analog signal
(0 0.5V)
9 No. 1 mirror Leads the document image to CCD.
10 No. 2 mirror Leads the document image to CCD.
11 No. 3 mirror Leads the document image to CCD.
10)
11)
8) SL SENSOR
9)
7)
6) CCD SENSOR
5)
4) MHPS
10) 8) SL SENSOR 7) 6) CCD SENS
OR
11) 9) 5) 3)
2)
3)
2)
1)
4) MHPS
FO-3800M
5 – 7
Vista de página 38
1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 179 180

Comentários a estes Manuais

Sem comentários