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Lexmark X543 Service Manual

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7.Select the Skew value in the same way, enter the value, press Select ( ), and print the Quick Test to see 
if the observed values and the current values are the same. 
8.On the second page of the latest Quick Test you printed, proceed to Step 2; adjust the left, right ,and bow 
settings. Continue printing the Quick Test after each adjustment to verify your settings.
9.Continue on to the other two colors in the same manner.
Factory Scanner...

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Miscellaneous Tests
Motor Detect
This test initiates an automatic motor detection process that should be performed whenever the controller board 
is replaced.
To run Motor Detect:
1.Select MISC TESTS in the Diag Menu, and press Select ().
Remove Cartridge. press Select appears.
2.Select Motor Detect. 
Note:  Do not press Select yet.
3.Remove all toner cartridges and the imaging unit.
4.Close the front cover. 
If you press Select before closing...

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Print Tests
Input source tests
The purpose of the diagnostic PRINT TESTS is to verify that the printer can print on media from each of the 
installed input options. The contents of the Print Test Page vary depending on the media installed in the selected 
input source.
Check each Test Page from each source to assist in print quality and paper-feed problems.
To run the Print Test Page:
1.Select PRINT TESTS from the Diag Menu, and press Select...

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This test may be printed from either Configuration Menu or the Diagnostics Menu.
To run the print quality pages from the Diagnostics Menu:
1.Select PRINT TESTS, and press Select (). 
2.Select Print Quality Pgs, and press Select ().
The message Printing Quality Test Pages is displayed. 
Note:  Once the test is started, it cannot be cancelled. 
When the test pages print, the printer returns to the original screen. 

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Hardware Tests
Panel Test
This test verifies the operator panel LCD function.
To run the Panel Test:
1.Select Hardware Tests from Diag Menu, and press Select ().
2.Select Panel Test, and press Select ().
The Panel Test continually executes.
press Stop ( ) to cancel the test.
Button Test
This test verifies the operator panel button function.
To run the Button Test:
1.Select Hardware Tests from Diag Menu, and press Select ().
2.Select Button...

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To stop the test early, turn off the printer.
CACHE Test
The CACHE Test is used to verify the processor cache is functioning properly.
1.Select Hardware Test in Diag Menu, and press Select ().
2.Select CACHE Test, and press Select ().
a.The printer displays:
b.The printer initiates a POR of the printer, and the following screen is displayed:
c.Upon completion of the POR, the following screen is displayed:
P:###### represents the number of...

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Duplex Tests
Quick Test (duplex)
This test prints a duplex version of the Quick Test that can be used to verify the correct placement of the top 
margin on the back side of a duplex page.
Note:  Before you set the duplex top margin, be sure to set the registration. See “Registration” on page 3-4.
The paper you choose to print the page on should be either Letter or A4.
To run the Quick Test (duplex):
1.Select DUPLEX TESTS from Diag Menu, and...

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4.Hold the page to the light to see whether the left margin of the back aligns with the left margin of the front.
5.Select Left Margin from DUPLEX TESTS.
6.Use   or   to select the margin setting you need to change.
Each increment shifts the duplex left margin by 4 pixels at 500 dpi (0.0067 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 left margin...

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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.Select INPUT TRAY TESTS from Diag Menu, and press Select ().
2.Select Feed Tests, and press Select ().
3.Select the tray to be tested. Choices are installed trays, including Tray 1, Tray 2, and MP Feeder.
4.Open the...

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Base Sensor Test
These tests allow you to verify the correct functioning of the front door, input, and output sensors.
1.Select Base Sensor Test from Diag Menu, and press Select ().
2.Select the sensor you want to test, and press Select ().
The following test are available:
To exit the test, press Back () or Stop.
Device Tests
Flash Test
This menu item appears only if the flash card is installed. Data is written to the flash card and read back...
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