Basic Sequence; Basic Sequence At Power-On; Basic Sequence At Start Key On (Book Mode/1 Original); Basic Sequence At Start Key On (Adf Mode/1 Original) - Canon D1 Service Manual

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Technology > Technology (Reader) > Basic Sequence > Basic Sequence at Start Key ON (ADF mode/1 original)
Technology (Reader)

Basic Sequence

■ Basic Sequence at Power-On

ON
B F
( )
Scanner motor
Light-ON
(LED)
(CCD
ON
HPsensor)
Footnote
• F: Scanner motor moves forward (toward right).
• B: Scanner motor moves backward (toward left).
• Light-ON: LED on CCD unit lights-on.
• ON: When CCD HP sensor (photo interrupter type) detects.

■ Basic Sequence at Start Key ON (book mode/1 original)

Copy start
In reading
B
F
(Scanner motor)
Light-ON
(LED)
(CCD HP
ON
sensor )
Shading correction
White board duct detection control
Footnote
• F: Scanner motor moves forward (toward right).
• B: Scanner motor moves backward (toward left).
• Light-ON: LED on CCD unit lights-on.
• ON: When CCD HP sensor (photo interrupter type) detects.
2 Technology > Technology (Reader) > Basic Sequence > Basic Sequence at Start Key ON (ADF mode/1 original)
STBY
CCD adjustment
F-2-1
End
F
B
ON
F-2-2

■ Basic Sequence at Start Key ON (ADF mode/1 original)

Copy start
Dust detection control
(Scanner motor)
B F F F B F
Light-ON
(LED)
(CCD HP
ON
sensor )
Shading correction
White board duct detection control
Dust detection control
This is activated when any of the following conditions is true.
• Dust has been detected in all 3 locations at previous 1 job.
• Dust detection could not be activated due to JAM etc at previous job.
Footnote
• F: Scanner motor moves forward (toward right).
• B: Scanner motor moves backward (toward left).
• Light-ON: LED on CCD unit lights-on.
• ON: When CCD HP sensor (photo interrupter type) detects.
End
In stream reading
B F F F B F
Light-ON
F-2-3
2-2
2-2