160 CHAPTER SEVENTEEN
Cleaning
If you see dots are missing on the printout, clean the print head. Print the
test page and to see which color has problems.
1
Select the color to be cleaned.
2
Press the Clean button.
The MFC starts cleaning.
Wait until Online shows again on the MFC display.

The Printer Adjustment Tab

Vertical Alignment
If you see poor print quality,
1
Please check that the printer is connected to the PC, turned ON and
loaded with Letter size paper.
2
Click the Vertical Alignment button to print a set of Vertical
Alignment test patterns.
3
Using the Up/Down scroll control, select the best aligned print sample
(1 to 9) for 360 and 720 dpi.
The best aligned sample is where the printed vertical line is straight and the
upper and lower shaded squares are the same.