Lexmark C 950 Service Manual

Diagnostic aids 3-9
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3.Touch Restore STD Net to restore all network NVRAM settings. 
4.Touch Restore LES to remove all Lexmark Embedded Solution applications.
After this setting is changed, the device automatically performs a POR, and restores the appropriate settings to 
their factory default values.
Font Sharpening
This setting allows a user to set a text point-size value from 0 to 150. For all font sizes in a print job equal or 
below the text point-size value set, the...

3-10  Service Manual 5058-030  
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Panel Menus
To change this setting:
1.From the Configuration Menu, navigate to Panel Menus.
2.Touch  or  to change the setting.
3.Touch Submit to save the setting, or touch Back to return to the Configuration Menu without saving any 
changes.
Paper Prompts
This setting determines the input source to which the device will direct a change paper prompt. The device 
displays paper prompts based on the size of the paper requested by the user, not on the...

Diagnostic aids 3-11
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To print the event log:
1.From the Configuration Menu, navigate to Reports > Event Log. 
2.Printing EVENT LOG appears, and the pages print.
Require Standby
To change this setting:
1.From the Configuration Menu, navigate to Require Standby.
2.Touch  or  to change the setting.
3.Touch Submit to save the setting, or touch Back to return to the Configuration Menu without saving any 
changes.
Reset Maintenance Counter Value
This setting enables users to...

3-12  Service Manual 5058-030  
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To change this setting: 
1.From the Configuration Menu, navigate to Short Edge Printing.
2.Touch  or  to change the setting.
3.Touch Submit to save the setting, or touch Back to return to the Configuration Menu without saving any 
changes.
Size Sensing
This setting controls whether the device automatically registers the orientation, type, and size of paper installed 
in an input source equipped with size-sensing hardware.
Tray [x] sensing
By turning...

Diagnostic aids 3-13
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To change this setting:
1.From the Configuration Menu, navigate to UI Automation.
2.Touch  or  to change the value.
3.Touch Submit to save the setting, or touch Back to return to the Configuration Menu without saving any 
changes.
USB Speed
To change this setting:
1.From the Configuration Menu, navigate to USB Speed.
2.Touch  or  to change the value.
3.Touch Submit to save the setting, or touch Back to return to the Configuration Menu without saving...

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Diagnostics Menu
Entering Diagnostics Menus
1. Turn off the printer.
2. Press and hold the 3 and 6 buttons simultaneously.
3. Turn on the printer.
4. Release the buttons after 10 seconds.
Available tests
Tests appear on the LCD in the order shown:
SENSOR TESTS
See “SENSOR TESTS” on page 3-23.
PRINTER SENSOR TESTS
See “PRINTER SENSOR TESTS” on page 3-23.
FINISHER SENSOR TESTS
See “FINISHER SENSOR TESTS” on page 3-24.
MOTOR TESTS
See “MOTOR TESTS” on...

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FINISHER TESTS
See “FINISHER TESTS” on page 3-18.
Staple Test
See “Staple Test” on page 3-18.
Hole Punch Test
See “Hole Punch Test” on page 3-18.
Feed Test
See “Feed Test (Finisher)” on page 3-18.
DEVICE TESTS
See “DEVICE TESTS” on page 3-16.
Quick Disk Test
See “Quick Disk Test” on page 3-16.
Disk Test/Clean
See “Disk Test/Clean” on page 3-16.
Flash Test
See “Flash Test” on page 3-16.
PRINTER SETUP
See “PRINTER SETUP” on page 3-22.
Defaults
See “U.S....

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DEVICE TESTS
Flash Test 
This test appears only when a non-defective flash memory is installed. Data is written to the flash card and read 
back to check the accuracy. This test destroys all data stored on the flash device.
Warning:  This test deletes all data stored on the flash device. After the test is over, reformat the flash using 
Format Flash in the customer Utilities Menu.
To perform this test:
1.From the Diagnostics Menu, navigate to DEVICE...

Diagnostic aids 3-17
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To run the Quick Test:
1. From the Diagnostics Menu, navigate to DUPLEX TESTS.
2. Touch Quick Test.
3. Touch Single or Continuous. Quick Test Printing... appears on the LCD.
•The single Duplex Quick test cannot be canceled.
•The printer attempts to print the Quick Test Page from the default paper source. If the default paper 
source only supports envelopes, then the page is printed from Tray 1.
•Check the Quick Test Page for the correct registration...

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•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, navigate to EVENT LOG > Print Log.
FINISHER TESTS
Feed Test (Finisher)
This test feeds one sheet of media from the device’s default input source to a finisher output bin. The device can 
perform this test using any paper size that is supported by the finisher....