Canon L1, Service Manual

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2-5
2-5
2
2
Technology
Technology
At start key ON (DADF mode/1 sheet original)
1. HP positioning
2. move to shift
shading start position
7. Completion operation
6. original stream
reading scan
6. shifts to point of
the stream reading
glass dust detection
3. move to shift shading
4. fixed shading
- white plate dust detection
- shading correction
5. Steam reading position
move to shift
*1: Executed only if 1 min or more (power off) has passed from the previous session.
*2: [Reference] Technology > Controls > Dust detection > Stream reading glass dust detection control
*3: Shifts only if the DADF is open.
*4: Shifts only if the DADF is close.
*1
*1
*3
*2
*4
*4
Stop
position
Stream
reading
position
Shading
position
Home
position
Shading
start
position
Image
leading
edge
Original
size
detection
position
■