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Are the operating parameters set to appropriate values?
Depending on the settings for the [PERIODIC CL.] menu, uneven colors may occur. If the settings have been
changed, try restoring them to their default values.
P. 41, "Preventing Soiling of the Media and Dot Drop-out"
Is the printer being used in a location subject to severe changes in the operating environ-
ment?
Large fluctuations in temperature or humidity while printing is in progress may cause the colors to change
partway through the printing. When printing, use the machine in a location where the temperature and
humidity are stable.
Are the settings for the [PRESET] menu item appropriate?
If the settings selected with the [PRESET] menu item are not suitable for the type of media, printing may be
adversely affected. Choose settings optimized for the media you are using.
P. 34, "Fully Utilizing Preset Feature"
The Media Becomes Soiled When Printed
Are the print heads dirty?
The following may cause ink to drip on the media during printing.
Buildup of fibrous dust (lint) around the heads
Ink transferred to the heads due to rubbing against the media
If this happens, clean the print heads manually. We recommend carrying out periodic head cleaning.
P. 62, "Manual Cleaning"
Humidity is too low.
Use this machine in a 35-80% RH (non-condensation) environment.
Read this chapter whenever you face a problem. (FAQ)
Chapter 4 Appendix
83
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