Canon IMAGERUNNER ADVANCE C5045, Service Manual

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Image stabilization control
Overview
To prevent image fault due to environmental change or deterioration of photosensitive drum
to make stable print image
Laser scanner unit
Drum film thickness
detection
ATR control
Toner Toner Toner Toner
D-max control
PASCAL control
D-half control
ARCDAT control
Color displacement
correction control
ATVC control
Main controller 2
DC controller(UN1)
Y M C Bk
Patch sensor
(Front/Center/Rear)
(UN47 / UN48 / UN49)
Control timing
Execution items for image stabilization control differ according to the environment or the
condition of image-formation parts.
Following shows the control items to be executed by each sequence as well as the downtime
(estimation).
■
●
●
F-2-96 F-2-96
Execution timing Execution condition Required time (sec)
Control types
Startup correction (*
1)
Discharge current correction Drum thickness detection A
TR control (patch detection)
Primary transfer
A
TVC
Secondary transfer
A
TVC
Secondary transfer cleaning D-Max control ARCDA
T
control
D-Half control Color displacement correction control
At power ON
At normal
condition
Model A: approx 20.9
Model B: approx 29.5 ○ ○ ○
○ ○ ○ ○ ○
H/H environment
Model A: approx
46.0Model B: approx
68.1
○ ○ ○ ○ ○ ○ ○ ○ ○ ○
At recovery
from sleep Sleep is less than
8 hours
Model A: approx
12.1Model B: approx
17.6
○ ○ ○ ○
Sleep is 8 hours
or more
Model A: approx
20.9Model B: approx
29.5
○ ○ ○ ○ ○ ○ ○ ○
Sleep is 8 hours
or more (in H/H
environment)
Model A: approx 46.0
Model B: approx 68.1 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
At pre-rotation At environment
change
Model A: approx 12.1
Model B: approx 17.6
○ ○ ○ ○ ○
Per total of 500
sheets
Model A: approx 2.7
Model B: approx 4.0
○
At sheet
interval During printing per
total of 100 sheets
Model A: approx 8.4
Model B: approx 12.8
○ ○ ○
During printing per
total of 250 sheets
Model A: approx 3.3
Model B: approx 4.3
○
During printing per
total of 700 sheets
Model A: approx 11.1
Model B: approx 16.8
○ ○ ○ ○
During printing per
total of 360 sheets
(model A) or total
of 240 sheets
(Model B)
Model A: approx 6.1
Model B: approx 9.3
○ ○
During printing per
total image ratio
2000%
Model A: approx 2.8
Model B: approx 4.3 ○ ○