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bizhub C4000i/C3300i
Mode
Image stabilization mode
Mode 2
Short image stabilization
Mode 3
Gamma correction + color
registration control
Mode 4
Monochrome, long image
stabilization
Mode 5
Color registration control
Mode 6
Monochrome, gamma correction
Mode 7
Gamma correction
Mode 8
Monochrome, short image
stabilization
(a) Stabilization mode setting
• Optimum image stabilization control can be selected using the administrator mode or service mode according to user's use condition.
• Three options available are the standard, color priority, and black priority modes.
• Mode of image stabilization setting is provided to maintain image quality and achieve the following purposes.
1. To reduce frequency at which the stabilization control is performed in order to reduce cost per print for users who have a low print
volume and low color ratio
2. To shorten time between when the machine is turned ON and when it is ready for printing
3. To maintain convenience for users having a high color frequency
Mode
Standard
Color priority
Black priority
(5) Service Mode
• Types (modes) of image stabilization to be executed with the menu of the service mode will be described.
Menu of service mode
Gradation Adjust ([Service Mode] -> [Imaging
Process Adjustment] -> [Gradation Adjust])
• The number of paper printed after the last LD
adjustment exceeds a predetermined value.
• A Dmax adjustment request is received as a result
of the last gamma correction.
• The number of paper printed after the gamma
correction exceeds a predetermined value.
• Information is provided indicating that the last
stabilization control was discontinued.
• There is a change in temperature after the lapse of
a predetermined period of time after a developing
drive stop.
The stabilization is executed when the main power
switch is turned ON even without the operating condition
• The number of paper printed after the gamma
correction exceeds a predetermined value.
• There is a change of a predetermined value or more
in temperature after the color registration
adjustment (when exiting from the sleep mode).
• A new imaging unit/K is detected.
• In the last image stabilization, the value of IDC
sensor detection was out of the specified range.
• A change in environment is detected (a change in
environment exceeding the threshold value is
detected since the last image stabilization
sequence).
• The number of paper printed after the last LD
adjustment exceeds a predetermined value.
• A predetermined period of time or more elapses
after a developing drive stop.
• There is a change of a predetermined value or more
in temperature after the color registration
adjustment (when exiting from the sleep mode).
• A Dmax adjustment request is received as a result
of the last gamma correction.
• The number of paper printed after the gamma
correction exceeds a predetermined value..
• Information is provided indicating that the last
stabilization control was discontinued.
• The number of paper printed after the last LD
adjustment exceeds a predetermined value.
• The number of paper printed after the last LD
adjustment exceeds a predetermined value.
• Information is provided indicating that the last
stabilization control was discontinued.
• A predetermined period of time or more elapses
after a developing drive stop.
Color stabilization is executed if image adjustments are necessary for color print or black print during predrive.
• Color stabilization is executed if image adjustments are necessary for color print or black print during
predrive.
• Stabilization is executed unconditionally when the main power switch is turned ON. Warm-up time takes
about 60 sec. when the main power switch is turned ON.
• Black stabilization is executed if image adjustments are necessary for black print during predrive.
• Color stabilization is executed before color print if image adjustments are necessary for color print.
Type (mode) of image stabilization to be executed
Mode 2
P THEORY OF OPERATION > 1. bizhub C4000i/C3300i
Operation condition
Control
P-57
Image stabilization setting
Standard or Color priority
selection
Only Color priority selection
Standard or Color priority
selection
Only Black priority selection
Standard or Color priority
selection
Only Black priority selection
Standard or Color priority
selection
Only Black priority selection
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