Lexmark X 204 Service Manual

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•Detailed printer information, including code versions
•Time and date stamps
•Page counts for most errors
•Additional debug information in some cases
The printed event log can be faxed to your next level of support for verification or diagnosis.
To print the event log:
1.Select EVENT LOG from DIAGNOSTICS, and press Select ().
2.Select Print Log, and press Select ().
press Back ( ) to return to EVENT LOG. 
Clear Log
Use Clear Log to remove the current information in the...

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Sensor Test
A series of sensor tests are available to test the scanner’s ADF and flatbed sensor functionality. The following 
tests are available.
ADF paper present - This test can be used to test the paper present sensor. Open and closed are the two 
states of the sensor.
To test the sensor:
1.Select the paper present test in the diagnostic menu.
2.Toggle the sensor actuator (A).
The sensor will switch between the two states listed below if it is working properly:...

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Scan First Sensor - This test is used to test the first scan sensor in the ADF paperpath. 
1.Select the scan first sensor test in the diagnostic menu.
2.Toggle the sensor actuator (A).
The sensor will switch between the two states listed below if it is working properly:
Closed: Paper isn’t present above this sensor
Open: Paper is being fed from the ADF and the top edge passes over this sensor 

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Printhead assembly electronic adjustment
A step-by-step process to align a new printhead.
Note:  Before aligning the printhead electronically, first align the printhead mechanically, if needed. See 
“Printhead assembly mechanical adjustment” on page 3-15
1.Enter the Diagnostics menu. See “Accessing service menus” on page 3-1.
2.Press   to enter the Registration menu.
3.Press   to print the Quick test page.
Quick Test page
(sample only; use actual sheet)
4.In the...

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Printhead assembly mechanical adjustment
A printhead needs to be correctly positioned after it has been removed. Use a pencil to mark the screw locations 
of the old printhead on the metal frame. Align the new printhead relative to the location of the old printhead.
Note:  Skew is caused by a sheet being fed through the printer while misaligned. The entire image is rotated 
relative to the sheet edges. However, a mechanically misaligned printhead causes the horizontal...

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7.If the grid lines of the right flap align below the corresponding lines on the left flap, then adjust the printhead 
clockwise relative to the printer and recheck. (See the left side of the figure below.) If the grid lines of the 
left flap align below the corresponding lines of the right side, then adjust the printhead counterclockwise. 
(See the right side of the figure below.)
8.After obtaining a properly adjusted image on the paper, tighten all three screws.
Note:...

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Configuration Menu
Available menus
USB Scan to Local
USB Scan to Local enumerates a USB simple device or USB composite device. In the off position, the simple 
USB device is enumerated: in the on position, the composite USB device is enumerated.
Reset PC Cnt
The Reset PC count menu item is used to reset the count of the PC unit to zero. It should only be used under the 
supervision of your second level support center.
Prt Quality Pages
The Prt Quality Pages can be...

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Reports
Menu setting’s Page
Print the menu setting’s pages to list the customer setting’s and to verify printer options are installed correctly. It 
is helpful to print the customer setting’s before you restore factory defaults or make major changes.
To print the menu setting’s:
1.Select Reports from the Config Menu, and press Select ().
2.Select Menu setting’s Page, and press Select ().
Event Log
Lets the system support person print a limited set of the information...

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It is recommended that you first print the customer’s current setting’s by printing a copy of the Menu setting’s 
pages. Customer setting’s are available from the Ready prompt, Diagnostics Menu setting’s are available in the 
Diagnostics Menu, and Config Menu setting’s are available in the Config Menu.
1.Turn off the printer, or select Exit Config Menu.
2.At the Ready prompt, select Menus ( ), and press Select ().
3.Select Reports, and press Select ().
4.Select Menu...

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To adjust the flatbed edge erase setting, perform the following steps:
1.In the Configuration menu, select the FB Edge Erase menu item.
2.Use the   or   to increase or decrease the setting’s value.
3.When the desired value is displayed, press  .
Scanner Manual Registration
This item is used to manually register the flatbed and ADF on the MFP’s scanner unit. Registration should be 
performed whenever the ADF unit, flatbed unit, or controller card are replaced.
To manually...