Olivetti d-Color MF920, Руководство по обслуживанию

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3-4
Service Manual
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” on page 3-7 . It is also the first step in aligning the duplex
registration. See “Quick Test (duplex)” on page 3-15 .
To set print registration:
1.
Select REGISTRATION from the DIAGNOSTICS menu.
2.
Use or to select
Quick Test
, and press . See “Quick test” on page 3-6 .
The message
Quick Test Printing…
appears on the display, and the page prints.
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 changes
displays, and the original margin setting screen appears.
The print registration ranges are:
Print Log See “Print Log” on page 3-23 .
Clear Log See “Clear Log” on page 3-24 .
Development Menu Do not use. For development use only.
Scanner Tests
ASIC Test See “ASIC Test” on page 3-25 .
Feed test See “Feed Test” on page 3-25 .
Sensor Test See “Sensor Test” on page 3-25 .
EXIT DIAGNOSTICS This selection exits Diagnostics mode, and
Resetting the Printer
displays. The printer performs a POR and returns to normal mode.
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 is 0.
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. No compression or expansion
occurs.
Bottom margin -25 to +25
Each increment causes
approximately 0.55 mm shift in the
bottom margin.
The default is 0.
A positive offset moves text down the page and
narrows the bottom margin, while a negative
offset moves text up the page and narrows the
bottom margin. The image is compressed or
expanded.
Left margin -50 to +50
Each increment corresponds to 4
pixels at 600 dpi (0.00666 in. or
0.1693 mm).
The default is 0.
A positive change moves the image to the left,
and a negative change moves the image to the
right. No compression or expansion occurs.
Diagnostics mode tests (continued)
Y112730-2