Basic Sequence - Canon iR4570 Series Service Manual

5.2 Basic Sequence

5.2.1 Basic Sequence of Operation at Power-On
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
Main power
offset correction
switch ON
Reader motor
(M501)
LED
CIS HP sensor
(PS503)
Shading Shading
position
position
F-5-4
CIS HP
sensor
1.CIS position check
2.Shading adjustment
3.Move to standby point
F-5-5
5.2.2 Basic Sequence of Operation in Response to a Press on the Start
Key (book mode; 1 original)
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
Shading
correction
CIS output
SREADY
CIS output
offset correction
- LED intensity adjustment
(when lit in each color)
- CIS output gain adjustment
(when lit in all colors)
Shading
HP
position leading edge
STBY
Shading
position
: forward
: reverse
Original
Chapter 5
0006-5719
0006-5720
5-7