Basic Sequence; Basic Sequence Of Operations; Book Mode, 1 Original, Copyboard Closed - Canon ImageRunner iR8500 Series Service Manual

5.2 Basic Sequence

5.2.1 Basic Sequence of Operations

iR105i/iR105+ / iR9070
· Lamp performance measurement
· Heating
Fluorescent lamp
heater (H5)
Scanning lamp pre-
heat voltage
Scanning lamp (FL1)
Shading correction
Scanner motor (M5)
Scanner HP sensor
(PS1)
Image leading edge
signal (ITOP)
1) HP search at power-on
2) Shading correction position
3) Pre-scanning
4) Original scanning
4) Original scanning
4) Original scanning

5.2.2 Book Mode, 1 Original, Copyboard Closed

/ iR8070
Control
Main power
panel
power
switch ON
SLEEP WMUP
70˚C
Initial activation
HP search
If not at HP, HP search.
HP
Scanner HP sensor
(speed used at 50% reduction)
(book mode)
(ADF mode; stream reading)
(ADF mode; stream reading)
[1] In book mode, turns on as soon as the original size is found.
[2] In ADF mode, turns on as soon as an original is placed in the ADF.
Copy Start
If for scanning two or more pages, kept on
Original set key ON
also in reverse to stabilize light intensity.
WMUPR STBY INTR SCFW
Controlle
d
1.5 sec
GAIN
OFSE
1st page
image leading
Synchronizing in sub scanning direction.
Reading the standard white plate.
F-5-8
Image leading edge
Image leading edge sensor
52.5 mm
Original
185 mm
Small-size position
(less than 216 mm long)
385 mm
F-5-9
LSTR STBY
SCRV
Controlled to 70˚C
Large-size position
(216 mm or longer)
Chapter 5
0006-9414
0008-7399
5-7