Problems with the printing quality
Printed colors are inaccurate
Cause Corrective Action
Color adjustment has not been activated in the
Advanced Settings of the printer driver .
In the Advanced Settings of the printer driver ,
access Color Settings in Color Mode to adjust
colors.
Refer to the computer and monitor documentation
to adjust the colors.
Colors have not been adjusted on the computer or
monitor .
Adjust the settings of the color management software,
referring to the software documentation as needed.
The Printhead nozzles are clogged. Print a test pattern to check the nozzles and see if
they are clogged.
( → P .623)
In the printer driver , Application Color Matching
Priority is not selected.
Click Special Settings on the Layout sheet of the
printer driver and select Application Color Matching
Priority in the dialog box.
There may be a slight dif ference in how colors are
printed after you replace the Printhead because of
individual variation among Printheads .
Execute color calibration.
Printhead characteristics gradually change through
repeated use, and colors may change.
Execute color calibration.
Color may change slightly even on the same model
of printer if you use a dif ferent version of the rmware
or printer driver , or when you print under dif ferent
settings or in a dif ferent printing environment.
Follow these steps to prepare the printing
environment.
1. Use the same version of rmware or printer driver .
2. Specify the same value for all settings items.
3. Execute color calibration.
The region selection of the Media Conguration T ool
was changed when you reinstalled the printer driver .
If you change the region selection of the Media
Conguration T ool , region-specic paper information
originally registered on the printer before installation
will be deleted. If the information of paper you used
for color calibration is deleted, such color calibration
can no longer be applied to any type of paper .
Perform color calibration again using paper supported
in the newly selected region and compatible with
color calibration.
T roubleshooting 669