Lexmark T650n Service Manual page 281

5. Select Quick Test Page. The test page should only be printed on letter or A4 paper from Tray 1. The Quick
Test Page consists of alignment diamonds, horizontal lines that can be used for mechanical registration
adjustment. An example of the printhead alignment printout is shown below:
6. Check the Quick Test Page for any sign of misalignment by checking the diamonds at the top left and top
right of the test page for equal distance from the top of the page. If necessary, rotate the printhead to the left
or right and tighten down the mounting screws and check for proper alignment again by running another
Quick Test Page. This procedure may take two or three attempts before you get satisfactory results.
7. When you have the correct adjustment, ensure that the printhead mounting screws are properly tightened.
printhead assembly electronic adjustment
Oscillating
A step-by-step process to align a new printhead.
Note: Before aligning the printhead electronically, first align the printhead mechanically, if needed. See
perform the mechanical registration adjustment:" on page
1. Turn the printer off.
2. Press and hold
3. Turn the printer on, and release the buttons when Performing Self Test displays.
4. Select Registration from the menu.
5. Select Quick Test Page. The test page should only be printed on letter or A4 paper from Tray 1. The Quick
Test Page consists of alignment diamonds, horizontal lines that can be used for skew adjustment, page
count setting, printer serial number code levels, and print registration settings. An example of the printhead
and to enter the diagnostic mode.
4-2.
Repair information
4062-XXX
"To
4-3