Canon imagePROGRAF iPF6450 - Manual (Page 998)

Spectrophotometer Trouble Shooting Spectrophotometer Trouble Shooting
Acquiring color measurement data takes a long time .......................................................................................... 998
Measurement results are unusual/suspect ............................................................................................................... 998
You cannot execute AutoAdjst(HiPrc) from the computer ................................................................................ 998
Acquiring color measurement data takes a long time Acquiring color measurement data takes a long time
Cause Corrective Action
Roll DryingTime in the Con-
trol Panel menu is set to a
value other than Off. If Roll DryingTime is set to a value other than Off, change it to Off only while executing acquire color meas-
urement data.
When Roll DryingTime is set to a value other than Off, the paper takes longer to dry than the drying time set
in the Color Measurement Preferences dialog box in the Color Calibration Management Console.
(See "Menu Structure.")
→P.657
Measurement results are unusual/suspect Measurement results are unusual/suspect
Cause Corrective Action
The test pattern was not measured cor-
rectly during the Color Check. Setting the Pattern Size to Large on the Control Panel or Color Calibration Management Console
can improve measurement results.
(See "Menu Structure.")
→P.657
(See "Executing Color Check (Windows).") →P.873
(See "Executing Color Check (Mac OS X).") →P.908
The test pattern is damaged or dirty be-
cause the paper was transported while
the ink was still wet. Configure the paper drying settings on the Color Calibration Management Console.
(See "Acquiring Color Measurement Data For Any Color Chart (Windows).")
→P.866
(See "Acquiring Color Measurement Data For Any Color Chart (Mac OS X).") →P.902
The test pattern is damaged or dirty be-
cause the Printhead is set too low on the
Control Panel menu. Set Head Height to a higher value on the Control Panel menu.
(See "Troubleshooting Paper Abrasion and Blurry Images.")
→P.801
A Spectrophotometer Unit part is dirty. Clean the White Calibration Tile, White/Black Backing Plate, and Paper presser.
(See "Cleaning the Spectrophotometer Unit (option) Parts.")
→P.948
The Spectrophotometer Sensor and
White Calibration Tile need to be adjus-
ted. Performing yearly adjustments can help restore the Spectrophotometer Sensor and White Calibra-
tion Tile to their original levels of accuracy and precision.
Contact your Canon dealer for more information on adjustment services.
(See "Replacing the Spectrophotometer Sensor of the Spectrophotometer Unit (option).")
→P.965
The color of the White/Black Backing
Plate is not selected correctly. Turn the printer off and then change the color of the White/Black Backing Plate.
(See "Switching the White/Black Backing Plate (Optional) Color.")
→P.837
You cannot execute AutoAdjst(HiPrc) from the computer You cannot execute AutoAdjst(HiPrc) from the computer
Cause Corrective Action
Since the printer belongs to a calibration group, Auto Adjust (High Precision) cannot be
executed from Color Calibration Management Console. However, if it belongs to a calibra-
tion group for a paper type where only Auto Adjust (High Precision) can be executed,
Auto Adjust (High Precision) can be executed. Execute AutoAdjst(HiPrc) in the Control Panel
menu.
(See "Color Calibration Using the Spectrophotom-
eter Unit (option).")
→P.833
Acquiring color measurement data takes a long time iPF6450
User's Guide
Troubleshooting
Spectrophotometer Trouble Shooting
998