Basic Sequence Of Operation In Response To A Press On The Start Key - Canon iR C6800 Series Service Manual

5.2.2 Basic Sequence of Operation in Response to a Press on the Start
Key
Basic Sequence of Operation in Response to a Press on the Start Key (book mode; 1 original)
Reader motor
Original scanning
lamp
HP sensor
Scanner unit position
*1: controls by turning on/off the power of the CCD and the circuitry around it for power saving and for
protection against overheating.
Start key
ON
STBY SREADY
Forward Reverse
Reverse
ON
HP (shading position)
CCD-LIVE
control*1
Start
position
1. HP positioning
2. move to shift shading
start position
3.move to shift shading
4.fixed shading
- white plate dust detection
shading correction
5.Start position
move to shift
6.Original scann
7.HPposition move to shift
*1: shifts only if the copyboard cover (ADF) is open.
*2: executed only if 1 min or more (power off) has passed from the previous session.
SCFW
Forward
Forward Reverse
ON
Image end
Copyboard
cover start
Shift to copyboard
position
scan start position
shift shading
fixed shading
white plate dust detection control
shading correction
F-5-8
Original size detection
Shading
position
position Image leading edge
*1
*2
*2
*1
F-5-9
SCRW STBY
Reverse
ON
HP (shading position)
CCD-KILL control*1
Stop position
Chapter 5
0002-5136
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