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6-2 Attractive Printing Is Impossible
puter quickly enough.
Are the operating parameters set to appropriate
values?
Depending on the settings for such menu items as [FULL
WIDTH S] and [PERIODIC CL.], uneven colors may occur.
If the settings have been changed, try restoring them to their
default values.
P. 74, "Speeding Up Printing for Narrow Media"
P. 74, "Keeping Media from Being Soiled by Ink Drops"
Is the printer installed in a level and stable location?
Never install the machine in a location where it is tilted or
where it may wobble or experience vibration. Also, ensure
that the print heads are not exposed to wind or blown air.
These factors may lead to missing dots or reduced printing
quality.
Is the printer being used in a location subject to se-
vere changes in the operating environment?
Large fluctuations in temperature or humidity while print-
ing is in progress may cause the colors to change partway
through. When you're performing printing, use the machine
in a location where temperature and humidity are stable.
Are the settings for the [PRESET] menu item ap-
propriate?
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 to the media you're
using.
P. 90, "Saving Optimized Media Settings As Preset Values"
P. 91, "Loading a Saved Preset"
The Media Becomes Soiled When Printed
Do the print heads contact the media?
The height of the print heads may be too low. Also, if the
media is not loaded and set up correctly, it may wrinkle or
come loose and strike the heads.
P. 81, "Adjusting Head Height to Match Media Thickness"
P. 111, "Media Wrinkles or Shrinks, or Feed Is Unstable"
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 heads using the cleaning kit. We
recommend carrying out periodic head cleaning.
P. 56, "Cleaning the Heads Using the Cleaning Kit"
Are the pinch rollers dirty?
Periodically clean the pinch rollers.
P. 52, "Cleaning"
108
Chapter 6 What to Do If
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