Diagnostic aids 3-19
7525-63x
4. Touch or to adjust the margin setting.
• Each increment shifts the duplex left margin by 4 pixels at 600 dpi (0.00666 inches or 0.1693 mm).
• The Left Margin (duplex) range is -25 to + 25, and the default value is 0.
• An increase in the value moves the backside margin to the right, and widens the left margin. A
decrease moves the backside margin to the left, and narrows the left margin.
5. Touch Submit to save the settings.
6. Print the Quick Test (duplex) again (steps 1–4) to verify the adjustment. Repeat if necessary.
Top Margin (duplex)
This setting controls the offset between the first scan line on the front of the duplex page and the first scan line
on the back of the page. Therefore, be sure to set the top margin in REGISTRATION before setting the duplex
top margin. See “REGISTRATION” on page 3-9.
To adjust the setting:
1. Navigate to DUPLEX TESTS > Quick Test > Single to print a Quick Test page.
2. Hold the page to the light to see whether the top margin of the back aligns with the top margin of the front.
3. Select Top Margin from DUPLEX TESTS.
4. Touch or to adjust the margin setting.
• Each increment shifts the duplex top margin by 1/100 of an inch.
• The Top Margin (duplex) range is -50 to +50, and the default value is 0.
• An increase in the value moves the backside top margin down and widens the top margin. A
decrease moves the top margin upward and narrows the top margin.
5. Touch Submit to save the settings.
6. Print the Quick Test (duplex) again (steps 1–4) to verify the adjustment. Repeat if necessary.
INPUT TRAY TESTS
Feed Tests
This test allows you to observe the paper path of media as it passes through the printer. Any installed input tray
can be tested. The pages fed through the printer are blank.
To run the Feed Test:
1. Navigate to INPUT TRAY TESTS > Feed Tests.
2. Select the tray to be tested. Choices are installed trays, including Tray 1, Tray 2, and MP Feeder.
3. Open the upper rear door to view the paper path.
Note: Do not open the upper front door. The test will not run if the front door is open.
4. Select Single or Continuous.
• Single—a single sheet of blank paper is fed, and the test stops.
• Continuous—sheets are fed continuously until Stop is pressed.
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