Left Margin
This setting allows the user to shift the position of the left margin of the back side of a duplexed page to the left or
right. The default margin is 1/4 in.
To adjust this setting:
1 From the Diagnostics menu, navigate to:
Duplex Tests > Left Margin
2 Change the margin value.
Each increment corresponds to 4 pels at 600 dpi (0.00666 in. or 0.1693 mm). A more positive offset moves the
margin to the right, and a more negative offset moves the margin to the left.
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.
Duplex Feed 1
This test feeds a blank sheet of paper from Tray 1 to the duplex paper stop position 1. This test can be run using any
of the supported paper sizes.
To run this test:
1 From the Diagnostics menu, navigate to:
Duplex Tests > Duplex Feed 1
The power indicator blinks while the paper is feeding, and Duplex Feed 1 Feeding… appears. This test cannot
be canceled. The panel displays Duplex Feed 1 Clear Paper when the paper reaches the duplex paper
stop position 1.
2 Remove the sheet of paper from the duplex unit, and shut the duplex door.
3 Press X to clear the message.
4514-630, -635, -636
Service menus
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