Lexmark C736 Service Manual

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To run the Quick Test (duplex):
1.Select Quick Test from DUPLEX TESTS, and press Select ().
2.Select Single or Continuous, and press Select (). 
•The single Duplex Quick test cannot be canceled.
•The printer attempts to print the Quick Test Page from the default paper source. 
•Check the Quick Test Page for the correct offset between the placement of the first scan line on the 
front and back side of a duplexed sheet.
The single test stops automatically...

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Skew (duplex)
This setting adjusts the duplex motor speed when it feeds through the aligning roll. It controls the skew between 
the first scan line and the top of the page. Adjustments are made to the image that is facedown in the output 
tray.
To set the Skew (duplex):
1.Select DUPLEX TESTS in the Diagnostics Menu, and press Select ().
2.Select Quick Test, and press Select ().
3.Select Single, and press Select ().
The test page prints.
4.Look at the...

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6.Use   or   to select the margin setting you need to change.
•Each increment shifts the duplex left margin by 4 pixels at 600 dpi (0.00666 inches or 0.1693 mm). 
•The Left Margin range is -50 to +50, and the default value is 0.
•An increase moves the margin to the right, and a decrease moves the margin to the left.
Sensor Test
There are two groups of sensors tests, static sensors and dynamic sensors. 
To run the Sensor Test:
1.Select SENSORS in...

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Printhead Tests
Mirror Motor Test
1.
Select PRINTHEAD TESTS in DIAGNOSTICS, and press Select ().
2.Select Mirror Motor Test, and press Select ().
The panel displays Mirror Motor Test—Motor Running…. 
After the test completes, the panel displays either Pass or Fail.
To stop the test, press Back() or Stop ().
Servo Laser Test
1.
Select PRINTHEAD TESTS from DIAGNOSTICS, and press Select ( ). 
2.Select Servo Laser Test, and press Select ().
The panel displays...

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Disk Test/Clean
Warning:This test destroys all data on the disk and should not be attempted on a good disk. This test may run 
approximately 1½ hours depending on the disk size.
To run the Disk Test/Clean Test:
1.Select DEVICE TESTS in the Diagnostics Menu, and press Select ().
2.Select Disk Test/Clean, and press Select ().
Files will be lost/Go or Stop? is displayed to warn the user.
3.To exit the test immediately and return to DEVICE TESTS, press Back ()...

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Printer Setup
Defaults
U.S./Non-U.S. defaults changes whether the printer uses the U.S. factory defaults or the non-U.S. 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...

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To set the configuration ID:
1.Select Printer Setup from the Diagnostic mode.
2.Select Configuration ID from the Printer Setup menu.
Submitting Selection displays, followed by the value for Configuration ID 1.
3.Enter the Configuration ID 1.
•To select a digit or character to change, press   or   until the digit or character is underlined.
•To change a digit or character, press  to increase or   to decrease the value.
•After the last digit is changed,...

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EP Setup
EP Defaults
This setting is used to restore each printer setting listed in EP SETUP to its factory default value. Sometimes this 
is used to help correct print quality problems.
To restore EP Defaults:
1.Select EP SETUP from DIAGNOSTICS, 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.
Fuser temperature...

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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
The printed event log can be faxed to Lexmark or your next level of support for verification or diagnosis.
To print the event log:...

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Configuration menu (CONFIG MENU)
Available tests
The tests display on the operator panel in the order shown. 
Reset Fuser Cnt See “Reset Fuser Cnt” on page 3-25. 
Color Lock Out  See “Color Lock Out” on page 3-25.
Prt Quality Pgs See “Prt Quality Pgs” on page 3-25. 
Reports
Menu Settings Page See “Menu Settings Page” on page 3-26.
Event Log See “Event Log” on page 3-26.
Color Trapping See “Color Trapping” on page 3-26. 
SIZE SENSING See “Size Sensing” on...