When Print Quality Is Not Satisfactory
20
Black Lines（Vacuum level is not fitting）
1. Setting the media is not correct.
・Black lines occur.
[Cause/Technical reason]
A black line may occur if you raise the Vacuum level after adjusting Media feed quantity.
It is because the media feed quantity differs as the load of the media increases.
Following image describes the trend of vacuum level and black line.
As the vacuum level get stronger, black lines become noticeable.
・・・・・
No black line
black line
black line
+2(default) +8 +9+1
※ +9 is strongest setting.
※ Feed adjustment is performed at vacuum setting +2(default).
[Solution]
Default setting is best setting for high quality.
If the media jams or floats, raise the vacuum level and perform feed adjustment after
changing the vacuum level setting.
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