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2-1
2-1
2
2
Technology
Technology
Basic con
fi
guration
Function con
fi
guration
Following is the list of functions.
Original size detection
Image processing
Dust detection
Scanner drive
Reader controller PCB
A/D conversion
Image scanning
Scanner unit
Reader unit
Magnification change
Main controller PCB
Parts con
fi
guration
Followings are the positions and names of main con
fi
guration parts.
Original size sensor 2
(CF2)
Original size sensor 1
(CF1)
Scanner unit
cooling fan (FM2)
Scanner unit
DADF
open/closed
sensor 1
(SR1)
Scanner unit
home position sensor
(SR2)
Scanner unit
exhaust fan (FM1)
Reader controller PCB
(PCB1)
Scanner motor (M1)
DADF
open/closed
sensor 2
(SR3)
Component part
Symbol
Function/speci
fi
cation
Scanner motor
M1
2 phase pulse motor: pulse control
Scanner unit exhaust fan
FM1
Exhaustion of scanner unit
Scanner unit cooling fan
FM2
Cooling of scanner unit
DADF open/closed
sensor 1
SR1
DADF open detection (DADF is detected at 5 degree)
Scanner unit HP sensor
SR2
Scanner unit HP detection
DADF open/closed
sensor 2
SR3
DADF open detection (size detection timing is detected
when DADF is open at 25 degree.
Original size sensor 1
CF1
Size detection in sub scanning direction (AB type)
Original size sensor 2
CF2
Size detection in sub scanning direction (INCH type)
Scanner unit
---
Image reading, analog image processing
Reader controller PCB
PCB1
Control of entire reader, digital image processing
Summary of Contents for L1
Page 4: ...BLANK PAGE ...
Page 10: ...BLANK PAGE ...
Page 11: ...2 2 2 Technology Technology Technology Basic configuration Controls ...
Page 31: ...3 3 3 Periodic Service Periodic Service Periodic Servicing Periodic Servicing List ...
Page 41: ...5 5 5 Adjustmnet Adjustmnet Adjustments Overview Adjustment Method ...
Page 49: ...6 6 6 Installation Installation Installation Color Image Reader L1 ...
Page 78: ...Service Tools General Circuit Diagram Appendix Appendix Appendix ...