Lexmark X548 Series, Service Manual

Page: 125 / 347

Diagnostic aids
3-9
7525-63 x
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REGISTRATION
Printer
Print registration makes sure the black printing is properly aligned on the page. This is one of the steps in
aligning a new printhead. See
“Alignment Menu” on page 3-11
. It is also the first step in aligning the duplex
registration. See
“Quick Test (duplex)” on page 3-18
.
To adjust this setting:
1. Print a Quick Test Page. See
“Quick Test” on page 3-10
.
2. Scroll up or down and select the margin setting you need to change.
3. Touch or to adjust the settings.
4. Touch
Submit
to save the settings, or touch
Back
to return to the Diagnostics Menu without saving any
changes.
The print registration ranges are:
5.
Repeat step 1 to verify the adjustments.
6.
Repeat steps 1–5 to make further adjustments.
Description Value Direction of change
Top margin -50 to +50
Each increment corresponds to 8
scans at a 600 dpi scan rate (0.0133
inches or 0.339 mm)
.
The default value is 0.
A positive value moves the image down the
page and increases the top margin, while a
negative value moves the image up and
decreases the top margin. No compression or
expansion occurs.
Bottom margin -25 to +25
Each increment causes
approximately 0.55 mm shift in the
bottom margin.
The default value is 0.
A positive value moves text down the page and
narrows the bottom margin, while a negative
value moves text up the page and widens the
bottom margin. The image is compressed or
expanded.
Left margin -25 to +25
Each increment corresponds to 4
pixels at 600 dpi (0.00666 in. or
0.1693 mm).
The default value is 0.
A positive value moves the margin to the left,
while a negative value moves the image to the
right. No image compression or expansion
occurs.
Right margin -50 to +50
Each increment corresponds to an
approximate shift of 4 pixels at 600
dpi.
The default value is 0.
A positive value moves the margin to the left,
while a negative value moves the margin to the
right. No image compression or expansion
occurs.
Skew -100 to +100.Each increment
corresponds to 1/1200 of an inch.
The default value is 0.
A positive value causes the left end of the scan
line to move up the page, while a negative
value causes the left end of the scan line to
move down the page. The right end stays
fixed. There is no compression or expansion of
the image.