Executing Calibration
109
Maintenance
3
Executing Calibration
The machine can automatically calibrate colors using the calibration chart when the
reproducibility of density or color in copies and prints deteriorates. The machine can adjust
the gradation for each screen type set in the machine in advance.
The following four types of screen are available.
Copy Job 1
Calibrates the screen for [Text], [Photo & Text], or [Map] of [Original Type].
Copy Job 2
Calibrates the screen for [Photo] of [Original Type].
Print Job 1
For PCL print drivers
- Calibrates the screen used for the functions ([Image Quality], [Image Adjustment
Mode], and [Image Types]) set in the [Color Options] tab.
- Calibrates the screen when [Auto Screening], [Fineness], or [Standard] is selected for
[Screen] in the [Advanced] tab.
For PostScript
®
print drivers
- Calibrates the screen when [High Quality] or [High Resolution] of [Image Quality] and
[Auto Screening], [Fineness], or [Standard] of [Screen] in the [Color Options] tab is
selected.
- Calibrates the screen when [High Speed] of [Image Quality] and [Fineness] or
[Standard] of [Screen] in the [Color Options] tab is selected.
Print Job 2
For PCL print drivers
- Calibrates the screen when [Gradation] is selected for [Screen] in the [Advanced] tab
(except when [High Resolution] is selected for [Image Quality]).
- Calibrates the screen when [Print Page Mode] is selected in the [Advanced] tab (except
when [High Resolution] is selected for [Image Quality]).
For PostScript print drivers
- Calibrates the screen when [High Speed] of [Image Quality] and [Auto Screening] or
[Fineness] of [Screen] in the [Color Options] tab is selected.
Note • We recommend executing auto calibration for all four screen types. When the adjustment for one
screen type is complete, specify the next screen type and repeat the procedure.
• If color is not calibrated despite the periodic execution of auto calibration, contact our Customer
Support Center.
• Confirm the settings of the following items under [Tools] > [System Settings] > [Copy Service
Settings] > [Copy Defaults] in the System Administration mode before executing auto calibration:
-Lighten/Darken: Normal
-Contrast: Normal
-Sharpness: Normal
-Saturation: Normal
-Color Balance: 0, 0, 0
-Color Shift: Normal
• After finishing the auto calibration, change the settings of [Copy Defaults] if necessary. For
information on [Copy Defaults], refer to "Copy Defaults" (P.206).
• During calibration, the machine cannot receive print jobs or faxes.
The following describes how to perform calibration.
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