Spectrophotometer trouble shooting, Acquiring color measurement data takes a long time, Measurement results are unusual/suspect – Canon imagePROGRAF iPF6400S User Manual
Page 125

iPF6400S Basic Guide
125
Tro
ubl
esho
otin
g
S
pe
ctroph
oto
m
et
er T
rou
bl
e
S
hooti
ng
Spectrophotometer Trouble Shooting
Acquiring color measurement data takes a long time ................................................................................... 125
Measurement results are unusual/suspect ................................................................................................... 125
You cannot execute AutoAdjst(HiPrc) from the computer ............................................................................ 125
Acquiring color measurement data takes a long time
Cause
Corrective Action
Roll DryingTime in
the Control 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 measurement 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.66
Measurement results are unusual/suspect
Cause
Corrective Action
The test pattern was not
measured correctly 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.66
(See "Executing Color Check (Windows).")➔User's Guide
(See "Executing Color Check (Mac OS).")➔User's Guide
The test pattern is damaged or
dirty because 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).")➔User's
Guide
(See "Acquiring Color Measurement Data For Any Color Chart (Mac OS).")➔User's
Guide
The test pattern is damaged or
dirty because 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.")➔User's Guide
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.56
The Spectrophotometer Sensor
and White Calibration Tile need to
be adjusted.
Performing yearly adjustments can help restore the Spectrophotometer Sensor and
White Calibration 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).")➔User's Guide
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.")➔User's Guide
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 calibration group for a paper type
where only Auto Adjust (High Precision) can be executed, Auto
Execute AutoAdjst(HiPrc) in the Control
Panel menu.
(See "Color Calibration Using the
Spectrophotometer Unit (option).")➔User's