What is the problem with poor printing performance of the purchased small new printer?

Source: Internet
Author: User
What is the problem with the poor printing performance of newly purchased printers?


To protect the laser window from wear and tear during transportation, the new printer will paste a protective bar at the laser window and extend it to the external cover.


If the protection Bar is torn from the outside, it is easy to cause the protection bar to break, resulting in the failure to completely clear the protection bar, resulting in an abnormal printing effect.


You need to open the device cap and clear the protective strips of the laser window completely.


The figure below shows the protective bar position and the effect of printing the unremoved protective bar:



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