Service manual

Chapter 3
3-1
3.1 Basic Constraction
3.1.1 Specifications, Control Methods, and Functions
0012-7060
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / KaserBase MF6560PL / / LaserBase MF6580PL
T-3-1
3.1.2 Major Components
0011-6038
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / KaserBase MF6560PL / / LaserBase MF6580PL
The exposure system consists of the following major components:
- contact sensor used to read originals
- reader motor, drive pulley, drive belt, carriage, and carriage rail used to move the contactsensor
- The analog processor PCB is used to convert the analog image data colleted by the econtact sensor into digital image data.
The image reading mechanism is controlled based on the drive signals from the image processor PCB, thereby moving the contact sensor to read the original placed
on thecopyboard glass.
When the ADF is used, the contact sensor is moved to stream reading position, and the originals are read when they are moved by the ADF.
F-3-1
Item Function/Method
Exposure light source LED
Original scan In BOOK mode: Original scan is performed by moving the contact sensor (CS).
When ADF is used: Original stream reading is performed with the contact sensor (CS) fixed.
Scan resolution 600 dpi (vertical scan) x 600 dpi (horizontal scan) (Color send: 300 dpi horizontal scan)
Gradation 256
Carriage position
detection
Contact image sensor (CIS) HP sensor (SR401)
Magnification range 50% to 200%
Vertical scan direction: Image processing is by image processor PCB
Horizontal scan direction:
BOOK mode: Carriage movement speed change and image processing by image processor PCB *1
ADF mode: Original feed speed change and image processing by image processor PCB *1
Lens Rod lens array
CMOS sensor Number of lines: 1
Number of pixels: Total 5148 (incl. 5104 effective pixels)
Maximum original scan width: 216 mm
CIS drive control Drive control by reader motor (M401)
Original size detection no
Analog processor PCB
Drive belt
Drive belt
Drive pulley
Carriage rail
Raading glass
Contact sensor
home position
sensor (SR401)
Drive pulley
Reader motor
Contact sensor
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