Lexmark X543 Service Manual

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Printer Setup
Defaults
US/Non-US defaults changes whether the printer uses the US factory defaults or the non-US factory defaults. 
The settings affected include paper size, envelope size, PCL symbol set, code pages, and units of measure.
Warning:  Changing this setting resets the printer to factory defaults, and data may be lost. It cannot be undone.
Page Counts
You can view, but not change any of the three counts displayed under PAGE COUNTS.
To view the Prt Color Pg Count, the Prt Mono Pg Count, or the Perm Page Count:
1.Select PRINTER SETUP from DIAGNOSTICS, and press Select ().
2.Select PAGE COUNTS, and press Select ( ). 
3.Select the page count you wish to view:
Prt Color Pg Count
Prt Mono Pg Count
Perm Page Count
4.press Select ().
The value of the page count appears.
press Back (
) to return to PRINTER SETUP.
Serial Number
The serial number can only be viewed. It cannot be changed.
To view or change the serial number:
1.Select PRINTER SETUP from DIAGNOSTICS, and press Select ().
2.Select Serial number, and press Select ().
press Back (
) to return to PRINTER SETUP.
Engine Setting 1 through 4
Warning:Do not change these settings unless requested to do so by your next level of support. 
Model Name
The model name can only be viewed and cannot be changed.
Configuration ID
The two configuration IDs are used to communicate information about certain areas of the printer that cannot be 
determined using hardware sensors. The configuration IDs are originally set at the factory when the printer is 
manufactured. However, the servicer may need to reset Configuration ID 1 or Configuration ID 2 whenever the 
system board is replaced. The IDs consist of eight digits. The first seven digits in each ID are hexadecimal 
numbers, while the last digit is a checksum of the preceding seven digits. Each ID can contain a combination of 
the digits 0 through 9, and the letters A through F.
Note:  When the printer detects a Configuration ID that is not defined or invalid, the following occurs:
The default standard model Configuration ID is used instead.
Configuration ID is the only function available in DIAGNOSTICS. 
						

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Unless the menu is in DIAGNOSTICS, Check Config ID displays. 
To set the configuration ID:
1.Select PRINTER SETUP from DIAGNOSTICS, and press Select ().
2.Select Configuration ID, and press Select ().
The current value for Configuration ID 1 appears with the left character or digit underlined.
3.Enter the Configuration ID 1.
Change the left character or digit first.
To change a character or digit, press   to decrease or   to increase the underlined value, and 
press Select ().
To move to the next character or digit, press   or  , and press Select ().
When you press Select ( ) on the last digit, the value will be submitted. 
If Invalid ID appears, the entry is discarded, and the previous Configuration ID 1 is displayed on the 
screen.
If the process is successful, Submitting Selection appears on the display, followed by the current value 
for Configuration ID 2.
4.Repeat the steps for entering the Configuration ID 2, and press Select ().
If the Configuration ID 2 is validated, Submitting Selection appears, and a check ( ) appears next to Printer 
Setup. 
5.Restart the printer. A POR is not automatically performed.
ITU Barcode
The 16-digit numeric value matches the ITU installed in the printer. If you replace the ITU, re-enter this value. 
Stop ( ) exits the menu.
To enter the ITU barcode:
1.Select PRINTER SETUP from Diag Menu, and press Select ().
2.Select ITU Barcode, and press Select ().
3.To enter the 16-digit numeric value:
Use   to decrease the leftmost digit value or   to increase the value. press Select ( ) to advance 
to the next digit. If a digit is already correct, press Select ( ) to accept the number and to continue. 
When the last number is entered and you press Select ( ), Submitting changes… should appear. if 
the entered number is incorrect, Check Sum Does Not Match displays. Check and re-enter the number.
Enable Edge to Edge Copy
This setting is set to either on or off. Off is the default setting. 
						

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Reset Fuser Count
Resets the fuser count value to zero. The Event Log records each time that a user executes the Reset Fuser 
Count operation. See “Event Log” on page 3-32 for more information. This setting appears only if the 
Maintenance Warning and Intervention function is enabled in the printer Configuration ID.
To reset the fuser count:
1.Select Printer Setup from Diag Menu, and press Select ().
2.Select Reset Fuser Cnt, and press Select ().
3.Select Reset, and press Select ().
Resetting Fuser Count Value appears.
To cancel a reset, press Back ().
EP Setup
EP Defaults
This setting is used to restore each printer setting listed in EP SETUP to its factory default value. To restore EP 
Defaults:
1.Select EP Setup from Diag Menu, and press Select ().
2.Select EP Defaults, and press Select ().
3.Select Restore to reset the values to the factory settings, and select Do Not Restore to exit without 
changing the settings.
To cancel and return to the menus, press Back ().
Fuser Temp
This adjustment can be used to help solve some customer problems with paper curl on low-grade papers and 
problems with letterheads on some types of media. 
The fuser temperature can be adjusted to: Low, Normal, High. The default is Normal.
To restore EP Defaults:
1.Select EP Setup from Diag Menu, and press Select ().
2.Select Fuser Temp, and press Select ().
3.Select Normal, High, or Low. The default is Normal.
DC Charge Adjust, Deve Bias Adj, Transfer Adj
Each of these three settings enables you to adjust the high-voltage levels controlling the electro photographic 
process. You will use these settings to compensate for unusual operating circumstances such as high humidity. 
The printer uses the value of these settings together with other settings to calculate printing speed and media 
selection.
TPS Setup
Right or Left TPS
The value of the TPS sensor is set at manufacturing. If a sensor is replaced, enter the 32-digit hexadecimal TPS 
value from the barcode next to the sensor.  
						

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To enter the value:
1.Select TPS SETUP from Diag Menu, and press Select ().
2.Select Right or Left, and press Select ().
TPS Right 1-16 or TPS Left 1-16 appears above a blinking 0 in the left position.
3.To enter a character or digit:
a.press   to decrease or   to increase the blinking value.
b.Pause for several seconds without pressing any buttons. The blinking value becomes solid. 
If the value is incorrect, use Back ( ) to go back and re-enter the number.
c.Continue until the last value is reached.
d.When the last of the 16 values is entered and becomes solid, TPS Right 17-32 or
TPS Left 17-32 appears.
e.Continue entering and pausing.
4.After the 32nd number is entered and becomes solid, the number is automatically entered.
If the number is incorrect, Checksum does not match appears, and the original screen appears to re-
enter the value. 
If the number is correct, Saving changes to NVRAM appears.
Reset Color Cal
This setting allows the device to adjust the alignment of the color planes using pre-programmed default values.
To reset the programmed value:
1.Select TPS SETUP from DIAGNOSTICS, and press Select ().
2.Select Reset Color Cal, and press Select ().
Resetting appears. When the reset is complete, the screen is automatically returned to TPS SETUP.
Cal Ref Adj
Used with Reset Color Cal, which resets to a default value, Cal Ref Adj allows you to fine tune the TPS function. 
To set the Cal Ref Adj:
1.Select TPS Setup from Diag Menu, and press Select ().
2.Select Cal Ref Adj, and press Select ().
3.Select CMY or Black, and press Select ().
4.press   to decrease or   to increase the value.
The values can be -8 to +8, and the default value is 0.
To cancel and return to the menus, press Back ().
Reports
Main Settings Page
To print the Menu Settings Page:
1.Select Reports from Diag Menu, and press Select ().
2.Select Menu Settings Page, and press Select (). 
						

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Event Log
Display Log
The event log provides a history of printer errors. It contains the 12 most recent errors that have occurred on the 
printer. The most recent error displays in position 1, and the oldest error displays in position 12 (if 12 errors have 
occurred). If an error occurs after the log is full, the oldest error is discarded. Identical errors in consecutive 
positions in the log are entered, so there may be repetitions. All 2xx and 9xx error messages are stored in the 
event log.
To view the event log:
1.Select EVENT LOG from Diag Menu, and press Select ().
2.Select Display Log, and press Select ().
Up to three error codes display at a time. press  or  to view additional error codes. press   to view 
additional details.
press Back (
) to return to the EVENT LOG menu.
Print Log
Additional diagnostic information is available when you print the event log from DIAGNOSTICS rather than 
CONFIG MENU. 
The Event Log printed from DIAGNOSTICS includes:
Detailed printer information, including code versions
Time and date stamps
Page counts for most errors
Additional debug information in some cases
Model and
Serial number
Printer information
Panel display
when error occurred
Page count
Earliest error codeLexmark x54x (s/n: 98P104V) 
						

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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 Event Log. This affects both the viewed log and the 
printed log information.
1.Select Clear Log from the Event Log menu, and press Select ().
2.Select YES to clear the Event Log or NO to exit the Clear Log menu. If YES is selected, Deleting EVENT 
LOG displays on the screen.
press Back (
) to return to EVENT LOG. 
						

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Scanner Tests
ASIC Test
This test initiates a scan of the scanner ASIC’s memory.
While this test is executing ASIC Test Running is displayed. When the test is complete, ASIC Test Passed is 
displayed if the ASIC memory is ok. ASIC Test Failed is displayed if the test fails. press the Back or Stop buttons 
to clear the display message
Feed Test
This test executes a continuous feed test from ADF or flatbed.
Note:  Neither test produces printed output, or increments any MPS counters.
After selecting this test,  is displayed.
Running. Flatbed:xxxx ADF:xxxx is displayed while the feed test is executing. To stop the test, press Back or 
Stop.If an error occurs during the test, Feed Test failed Flatbed:xxxx ADF:xxxx is displayed. press Return or Stop 
to clear the message.
Sensor Test
A series of sensor tests are available to test the scanner’s ADF and flatbed sensor functionality. The following 
table lists the available tests. 
Scanner sensor tests
Sensor Toggle state and description
ADF paper present Closed: Paper not present in the ADF
Open: Paper present in the ADF
FB cover closing Closed: Flatbed cover in process of closing
Open: Flatbed cover open
Home sensor Closed: Scanner carriage not positioned over the home sensor.
Open: Scanner carriage positioned over the home sensor.
ADF cover open Closed: ADF cover closed
Open: ADF cover open
Scan 1st sensor Closed: Paper isn’t above this sensor.
Open: Paper is being fed from the ADF and the top edge passes over this sensor.
Scan 2nd sensor Closed: Paper isn’t above this sensor
Open: Paper is being fed from the ADF and the top edge passes over this sensor. 
						

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ADF paper present sensor test
This test should be used if the ADF fails to feed paper when a scan is performed. To test this sensor perform the 
following steps:
1.In the sensor test menu, press  or   to scroll to the ADF paper present test.
2.press Select ().Starting Test displays. ADF Paper: Closed displays. 
3.press the ADF paper present sensor actuator (A) the top of the ADF unit. ADF Paper: Open should display if 
the sensor is working properly.
4.press Back ( ) to exit the test and return to the Scanner sensor tests.
A 
						

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FB Cover closing sensor test
This test verifies the functionality of the FB cover closed sensor. To test this sensor. perform the following steps:
1.In the sensor test menu, press  or   to scroll to the FB Cover closing sensor test.
2.press Select (). Starting Test displays. FB Cover: Closed displays.
3.Lift the flatbed cover, and depress the FB cover actuator (A).
4.FB Cover: Open should display if the sensor is working properly.
5.press Back ( ) to exit the test and return to the Scanner sensor tests.
Home sensor test
This test verifies the functionality of the home position sensor. To test this sensor. perform the following steps:
1.In the sensor test menu, press  or   to scroll to the Home sensor test.
2.press Select ().
3.Starting Test displays.
4.Home: Closed displays.
5.Home: Open should display if the sensor is working properly.
6.press Back ( ) to exit the test and return to the Scanner sensor tests.
ADF Cover closed sensor test
This test verifies the functionality of the ADF cover closed sensor. To test this sensor. perform the following 
steps:
1.In the sensor test menu, press  or   to scroll to the ADF Cover closed sensor test.
2.press Select ().
3.Starting Test displays.
4.ADF Cover: Closed displays.
5.Lift the ADF top cover.
6.ADF Cover: Open should display if the sensor is working properly.
7.press Back ( ) to exit the test and return to the Scanner sensor tests.
A 
						

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Sensor 1 test
This test verifies the functionality of scan sensor 1. To test this sensor. perform the following steps:
1.In the sensor test menu, press  or   to scroll to the Sensor1 test.
2.press Select (). Starting Test displays. Sensor 1: Closed displays.
3.Lift the ADF top cover, and close the ADF cover sensor by pressing down on the ADF sensor actuator (A) 
with a small flat blade screwdriver.
4.press the Sensor 1 actuator (B) located in the ADF paper path. Sensor 1: Open should display if the sensor 
is working properly.
5.press Back ( ) to exit the test and return to the Scanner sensor tests.
A
B