250
Troubleshooting
Solve print quality issues
This section contains hints to enhance the print quality with the printer based on several symptoms.
Take appropriate actions according to the symptoms.
When several actions are described, they are arranged in order of eectiveness. Therefore, you are recommended
to take the actions starting from the top and conrm the eect on the improvement. (Note that all the described
actions are not always necessary to solve the problem.)
The print is pale.
Cause Solution
The density setting is not correct. Set density to HIGH DENSITY if high density printing is required, such as when using
backlit banner media.
The operating environment is outside
the specification of the Printer.
Raise the ambient temperature to 15ºC or more (20 to 25ºC recommended) to warm the
printer adequately.
Media is not selected properly on RIP. Check the media selection on RIP.
The printout is blurred or grains appear.
Cause Solution
The bidirectional print position
adjustment and media advance
adjustment values are not correct.
(1) Perform bidirectional adjustment and media advance adjustment again.
(2) If automatic adjustment has been performed, perform manual adjustment.
Missing dots are found at the beginning of printing.
Cause Solution
Outside the operating temperature/
humidity range
Use the printer within the operating temperature/humidity range.
(
page 23)
Obstructions in the nozzle surface Check the platen, the media edge guards, the capping unit, the wiper blade, the
pressure roller, and the head guards, and remove any foreign matter.
Lint or paper fibers coming from a damaged media may touch the print heads, which
may cause missing dots. Replace the media with a media with no lint or paper fibers.
The media entered into contact with the
nozzle surfaces.
Perform normal cleaning.
If the problem persists, perform the action
page 247.
Cleaning did not finish normally. Perform the daily maintenance.
Clean the caps.
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