Basic Sequence; Basic Sequence Of Operations At Power-On; Basic Sequence Of Operations In Response To A Press On The Start Key (Book Mode, 1 Original) - Canon iR C3380 series Service Manual

Chapter 5

5.2 Basic Sequence

5.2.1 Basic Sequence of Operations at Power-On

/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
Reader motor
(M501)
Scanning lamp
(LA1)
CIS HP sensor
(PS501)

5.2.2 Basic Sequence of Operations in Response to a Press on the Start Key (book mode, 1 original)

/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
Reader motor
(M501)
Scanning lamp
CIS HP sensor
(PS501)
5-4
Shading correction
Main power switch
ON
Shading
Shading
*1 position
position
- scanning lamp intensity stabilization
- CIS output gain adjustment
*1: if the copyboard cover/ADF is 'open', corresponds to the point of original size detection
CIS HP
sensor
HP
1. Check CIS position
2. shading adjustment
3. move to standby position
Not if within 1 min
of previous operation
Start key
ON
STBY
Shading Copyboard glass
position*1 start position
Shading
position
*1: if the copyboard cover/ADF is 'open', corresponds to the point of original size detection
SREADY
CIS output offset correction
F-5-4
Original
Original size
leading
Shading
edge
position
*1
*1
*1:only if the copyboard cover/ADF is 'open'
F-5-5
Shading correction
SCFW SCRW
Original
trailing edge
F-5-6
STBY
shading
position *1
: forward
: reverse
detection
position
STBY
Shading
position*1
: forward
: reverse
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