Lexmark X543 Service Manual

Diagnostic information2-77
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Start / Black and White press to star t a job in black and white.
Stop/Cancel  Stops all printer activity.
A list of options is offered once Stopped appears on the display.
Operating modes
Copy Selecting this option enables copy mode.
Scan / E-mail Selecting this enables scan and scan to E-mail mode.
Fax Selecting this option puts the MFP into fax mode. Fax models only.
USB Direct interfaceNote: The USB connector is available on some...

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Menu map
This menu map identifies menus available to customers. The diagram shows the menus on the operator panel 
and items available under each menu. 
Some menu items or values are displayed only if a specific option or feature is installed on your printer. Other 
menu items may be effective only for a particular printer language. You can select these values at any time, but 
they affect printer function only when you have the optional...

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3.  Diagnostic aids
This chapter explains the tests and procedures to identify printer failures and verify repairs have corrected the 
problem.
There are different test menus that can be accessed during POR to identify problems with the printer.
These menus do not require a POR to access them:.Configuration Menu 1. Turn off printer.
2. press and hold  and 
.
3. Turn on the printer.
4. Release the buttons when 
Performing Self Test displays.The...

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Diagnostics Menu (Diag Menu)
Note:  Tray 2 refers to the 650-sheet tray located in the 650-sheet Duo Drawer assembly.
Diagnostics menu structure
When the Diagnostics mode is entered, each Diagnostics main menu item displays on the operator panel. When 
a diagnostic test is selected from the main menu, a sub menu displays, and each individual test displays in the 
order shown. Any options that are referred to in the menus are displayed when the...

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INPUT TRAY TESTS (if Tray 2 is installed)
Feed Tests See “Feed Tests” on page 3-17.
Sensor Tests See “Sensor Test” on page 3-17.
BASE SENSOR TESTSee “Base Sensor Test” on page 3-18.
Front Door
Input S1
Input S2
Fuser Exit
Standard Bin
C TMC Sensor
M TMC Sensor
Y TMC Sensor
K TMC Sensor
DEVICE TESTSSee “Device Tests” on page 3-18.
Flash Test
PRINTER SETUP
Defaults See “Defaults” on page 3-19.
Prt Color Page Count See “Page Counts” on page...

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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....

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5.Print another copy of the Quick Test to verify your changes.
6.Continue changing the settings by repeating steps 3 through 5.
To exit REGISTRATION, press Back (
). 
Skew
One printhead houses the four color planes. The black plane is aligned to the printer, and the other color planes 
are internally aligned to black. Electronic alignment fine tunes the alignment of the color planes to the black 
plane once the printhead is installed. See...

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Quick test
The Quick Test contains the following information:
Print registration settings
Alignment diamonds at the left, right, top. and bottom
Horizontal lines to check for skew
General printer information, including current page count, installed memory, serial number, and code level.
To print the Quick Test page:
Note:  Print the Quick Test Page on letter or A4 paper.
1.Select REGISTRATION from DIAGNOSTICS.
2.Use   or   to select Quick...

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Alignment
Aligns each of the color planes to the black plane. Print the Quick Test under each color, Cyan, Yellow, and 
Magenta, and adjust the Top Margin, Left Margin, Right Margin, Skew, and Bow.
Prints the Print Alignment Pages and requires that the best line in each set of lines must be selected. 
To get started:
1.Select Alignment Menu from the Diag Menu, and press Select (). 
2.Select a color (Cyan, Yellow, or Magenta), and press Select...

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4.Select Top Margin, and press Select ().
5.Select the best choice for fine or coarse adjustment in Step 1 (first page), and add it to the current value for 
the Top Margin. 
6.Use   or   to enter the sum of the numbers, and press Select (). 
Submitting changes… appears. 
Print the Quick Test again to verify the observed value is the same as the current value (no change is 
needed). If change is still needed, repeat the steps 4–6. When the...