3-4 Service Manual
5022-xxx
Registration
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 “Printhead alignment” on page 4-3. It is also the first step in aligning the duplex
registration. See “Quick Test (duplex)” on page 3-12.
The settings available are:
Top Margin
Bottom Margin
Left Margin
Right Margin
Skew
Quick Test
To set print registration:
1. Select REGISTRATION from the DIAGNOSTICS menu.
2. Select Quick Test, and press .
To print the Quick Test page:
a. Press until the appears next to Quick Test.
b. Press .
The message Quick Test Printing… appears on the display.
Retain this page to determine the changes you need to make to the margin settings.
3. Use or to select the margin setting you need to change, and press .
4. Use to decrease or to increase the offset values, and press to confirm the value.
The message Submitting selection displays, and the original REGISTRATION screen appears with
the beside the previously selected margin setting.
The print registration range is:
Description Value Direction of change
Bottom margin -20 to +20 Each increment causes
approximately 0.55 mm shift in the
bottom margin.
A positive offset moves text up the
page and widens the bottom
margin, while a negative offset
moves text down the page and
narrows the bottom margin.
Top margin -25 to +25 Each increment
corresponds to 8 scans at a 600 dpi
scan rate (0.0133 inches or 0.339
mm)
.
A positive change moves the image
down the page and increases the
top margin. A negative change
moves the image up and decreases
the top margin.
Left margin -25 to +25 Each increment
corresponds to 4 pels at 600 dpi
(0.00666 in. or 0.1693 mm).
A positive change moves the image
to the left, and a negative change
moves the image to the right. No
compression occurs.
Right margin -10 to +10 Each increment
corresponds to an approximate shift
of 4 pels at 600 dpi.
A positive change moves the image
to the right, and a negative change
moves the image to the left.
Skew Each increment corresponds to
1/1200 of an inch.
A positive value causes the right
end of the scan line to move down
the page. A negative value causes
the right end of the scan line to
move up the page. The left end
stays fixed.
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