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Technical Explanation > Image Formation System > Controls > Image Stabilization Control
Technical Explanation > Image Formation System > Controls > Image Stabilization Control
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Image Stabilization Control
●
Overview
Purpose: To control to prevent image failure due to change of the environment or deterioration
of parts to ensure stabilized print image
Various controls are performed to form patch pattern [1] on the ITB and read the patch pattern
using the Registration Patch Sensor Unit (Rear/Front) (UN25/26).
UN26
UN25
[1]
Related Alarm Code:
10-0006 : Patch Sensor error 1
10-0007 : Patch Sensor error 2
F-2-58
●
Control Timing List
Execution items for image stabilization control differ according to the environment and
condition of image formation parts.
Following shows the control items at each sequence.
Control timing
Conditions for execution
Type of control
Laser power correction control
D-half control
ARCDA
T control
C
olo
r d
isp
lac
em
en
t c
orr
ec
tio
n c
on
tro
l
Patch Sensor adjustment
PASCAL
control
At power-on
Normal temperature environment
-
- Yes -
-
-
High temperature and high humidity environment
Yes Yes Yes - Yes -
8 hours or more have elapsed in high-speed startup
mode
-
- Yes -
-
-
At initial installation
Yes Yes Yes Yes Yes -
At recovery from
sleep mode
8 hours or more have elapsed in sleep mode
Yes - Yes -
-
-
8 hours or more have elapsed in sleep mode (high
temperature and high humidity environment).
Yes Yes Yes - Yes -
When a job starts At initial rotation when sudden environmental
change is detected
Yes -
-
-
-
-
At paper interval For each 100 accumulated images
-
- Yes -
-
-
At job completion
At last rotation for each accumulated 50 images
-
- Yes -
-
-
At last rotation for each accumulated 500 images
(high temperature and high humidity environment)
Yes Yes Yes - Yes -
At last rotation for each accumulated 1000 images Yes Yes Yes - Yes -
At parts
replacement
When replacing the Drum Unit
Yes Yes Yes Yes Yes -
When replacing the Developing Unit (when
INISET-Y/M/C/K/4C is executed in service mode)
Yes Yes Yes - Yes -
When the
Settings/
Registration
menu is executed
When Auto Gradation Adjustment > Full Adjust is
executed
Yes Yes Yes - Yes Yes
When Auto Gradation Adjustment > Quick Adjust is
executed
Yes Yes Yes - Yes -
When Correct Shading is executed
Yes Yes Yes -
-
-
When Auto Correct Color Mismatch is executed
-
-
- Yes -
-
T-2-31