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B. Conditions for correction and execution timing
Conditions for correction and execution timing are shown below.
List of correction operations (process correction operations) in the AR-C150 image forming section.
List of correction operations (process correction operations) in the AR-C150 image forming section.
Item
No
Correction items
Execution conditions/Operation timing
1
Image density sensor sensitivity
correction (Calibration) (Gain
adjustment)
correction (Calibration) (Gain
adjustment)
Before correction of the image forming section (process correction)
2
OPC drum marking sensor sensitivity
adjustment (Calibration) (Gain
adjustment)
adjustment (Calibration) (Gain
adjustment)
1. Before correction of the image forming section (process correction)
2. When warming up after turning on the power and canceling the simulation
2. When warming up after turning on the power and canceling the simulation
3
OPC drum deterioration correction
Laser beam power
correction
correction
The specified OPC drum rotating time (every specified haurs)
4
High density (saturation density) image
correction
correction
Developing bias
voltage correction
voltage correction
SIM44-6 (Forcible execution)
1. During warming immediately after turning on the power and canceling the
1. During warming immediately after turning on the power and canceling the
sleep mode and when the fusing temperature is the specified
temperature or below.
temperature or below.
2. After completion of printing after the specified time of the Magenta OPC
drum total rotating time after high density (saturation density) image
correction by condition 1. If, however, high density (saturation density)
image correction was performed in advance under the other condition
than this condition, the correction under this condition is not performed.
correction by condition 1. If, however, high density (saturation density)
image correction was performed in advance under the other condition
than this condition, the correction under this condition is not performed.
3. When the temperature in the previous correction is the specified
temperature or below, and the temperature difference from the previous
correction is the spcified temperature or more after the specified time of
the previous correction.
correction is the spcified temperature or more after the specified time of
the previous correction.
4. When correction is not made for the specified time or more after
correction of the previous high density (saturation density) image forming
correction, and after completion of copying.
correction, and after completion of copying.
5. When the toner concentration control correction for humidity change is
made and the toner concentration control level is reset to the original
level and the specified time passes. When, however, high density
(saturation density) image forming correction is made under the other
condition than this condition in advance to it, correction under this
condition is not performed.
level and the specified time passes. When, however, high density
(saturation density) image forming correction is made under the other
condition than this condition in advance to it, correction under this
condition is not performed.
6. During warming up after replacement of the OPC drum. (Replacement of
the OPC drum is judged by execution of SIM 24-7.)
7. During warming up after replacement of developer (Replacement of
developer is judged by execution of SIM 25-2.)
Main charger grid
voltage correction
voltage correction
After correction of the developing bias voltage
5
Transfer capability correction
Transfer voltage
correction
correction
When temperature/humidity is changed.
When switching the paper kind.
When printing the back surface of paper in the duplex print mode.
When switching the paper kind.
When printing the back surface of paper in the duplex print mode.
6
Toner concentration control correction
Toner concentration
sensor correction
sensor correction
When the developing voltage is corrected more than the specified voltage
and temperature and humidity are changed immediately after correction of
the developing bias voltage.
When the developer counter (timer) reaches the specified values.
and temperature and humidity are changed immediately after correction of
the developing bias voltage.
When the developer counter (timer) reaches the specified values.
7
Image reading correction
Dark component
correction
correction
1. During warming up after turning on the power and canceling the
simulation or the sleep mode.
simulation or the sleep mode.
White balance
correction
Shading correction
correction
Shading correction
8
CCD gamma correction
Execute with SIM 63-3.
9
Half tone density image correction
Laser beam duty
correction 1
correction 1
SIM44-26 (Forcible execution)
1) After the high density (saturation density) image correction (when the
1) After the high density (saturation density) image correction (when the
developing bias voltage is changed by more than 45V in correction)
2) During warming up after replacement of OPC drum (Replacement of the
OPC drum is judged by execution of SIM 24-7.)
3) During warming up after replacement of developer (Replacement of
developer is judged by execution of SIM 25-2.)
10
Color balance adjustment
Laser beam duty
correction 2
correction 2
SIM46-24(21)
11
Half tone image correction initial setup
SIM44-21
12
User auto color balance adjustment
(Auto gamma setting)
(Auto gamma setting)
Performed by the user program.
13
Resist roller RPM correction
When temperature/humidity is changed.
AR-C150
3 – 3
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