Perform the workflow at a-1 for a wavy streak and the workflow at a-2 for a fusing error.
After performing the solution, it is recommended to perform the color calibration of the external controller.
Check the toner fusibility as follows:
The printed image does not come off.
The toner does not come off even if it is lightly rubbed by a nail.
The toner does not come off even if it is rubbed by the cloth for cleaning the contact glass.