Lexmark MX71 series, Руководство по обслуживанию

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Horizontal lines for skew adjustment
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General printer information, including current page count, installed memory, processor speed, serial number,
engine ID, and controller board ID
3
Check the Quick test page for the correct offset between the placement of the first scan line on the front and back
side of a duplexed sheet.
4
If adjustment is necessary, the top margin in the Registration menu must be adjusted first. The duplex top margin
offset may be adjusted next. A positive offset moves the text down the page and widens the top margin, while a
negative offset moves the text up the page and narrows the top margin.
Top Margin
This setting controls the offset between the placement of the first scan line on the front and back side of a duplex sheet.
Note: If adjustment is necessary, the top margin in the Registration menu must be adjusted first. The duplex top
margin may be adjusted next.
To adjust this setting:
1
From the Diagnostics menu, navigate to:
Duplex tests > Top Margin
2
Change the margin values.
Changing the value by 1 unit moves the margin by 1/100 in. A positive value moves the text down the page and
widens the top margin. A negative value moves the text up the page and narrows the top margin.
3
Depending on the printer model, press OK or touch to save the desired margin value.
Sensor Test
Use this test to determine if the duplex sensor and switches are working properly.
To run this test:
1
From the Diagnostics menu, navigate to:
Duplex Tests > Sensor Test
2
Testing…
appears while the printer is verifying the state of the sensor.
The control panel displays the current state of the sensor.
3
Manually actuate the sensor to make it toggle between
Open
and
Closed
. If the sensor does not toggle, then it
is malfunctioning.
4
Press X to exit the test.
Motor Test
Use this test to test the duplex option paper feed drive system and verify that the power and velocity values are
acceptable. The duplex runs the DC motor at high speed and low speed, taking an average of the power (PWM) required
for each speed and calculating the KE value.
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Service menus
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