Lexmark X 850 Owners Manual

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Configuration Menu
Entering Configuration Menu
1.Turn off the printer.
2.Press and hold the 2 and 6 buttons simultaneously.
3.Turn on the printer.
4.Release the buttons after 10 seconds.
Available menus
Maintenance Count ValueSee “Maintenance Counter Value” on page 3-35.
Reset Maintenance CounterSee “Reset Maintenance Counter” on page 3-35.
REGISTRATIONSee “REGISTRATION” on page 3-36.
To p  M a r g i n
Tray 1 Left Margin
Tray 2 Left Margin 
Tray 3 Left Margin (if 
installed)...

3-34MFP Service Manual 7500-XXX
Wipe DiskSee “Exiting Configuration Menu” on page 3-50.
Font SharpeningSee “Font Sharpening” on page 3-48.
Require StandbySee “Require Standby” on page 3-49.
Short edge PrintingSee “Short Edge Printing” on page 3-49.
Tray Low MessageSee “Tray Low Message” on page 3-49.
LES ApplicationSee “LES Applications” on page 3-49.
Key Repeat Initial DelaySee “Key Repeat Initial Delay” on page 3-50.
Key Repeat RateSee “Key Repeat Rate” on page 3-50.
Exiting Configuration MenuSee...

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Maintenance Counter Value
The Maintenance Page Count is used to track general printer usage. A print job containing a single printed side 
will increment the Maintenance Count by one while a print job containing two printed sides (a duplex print job) 
will increment it by two. Whenever this count reaches 300,000, the printer posts an intervention and a status 
indicator, 80 scheduled maintenance, that notifies the user that scheduled maintenance is recommended. 
To view the...

3-36MFP Service Manual 7500-XXX
REGISTRATION
Print registration makes sure the printing is properly aligned on the page. This setting allows separate Left 
Margin settings for each media tray. (The Top Margin setting is the same for all trays.)
The Registration menu item enables you to: 
•Establish the Top Margin setting for all installed paper trays.
•Establish a unique Left Margin setting for each installed paper tray. 
By adjusting the Top Margin setting, you move the top margin of all installed paper...

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Perform a Quick Test. See “Quick Test” on page 3-10.
1Each increment of adjustment corresponds to:
•1 scan at 300 dpi for the Top Margin setting or 
•1 pel at 300 dpi for each Left Margin setting 
2Increasing the registration value moves text up the page and widens the top margin; decreasing the registration 
value moves text down the page and narrows the top margin. The entire image moves up or down the page; 
therefore, no compression or expansion of the image occurs to...

3-38MFP Service Manual 7500-XXX
The printer always uses media from its default input source to print this test, except when the default source only 
supports envelopes. In this case, the printer automatically uses media from Tray 1. To generate the most 
accurate and useful registration information, print the Quick Test on letter- or A4-size paper.
If the default input source is empty, the printer stops printing and Load [Input Source] with [Paper 
Type] [Paper Size] IR appears on the LCD.
While the...

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SIZE SENSING
This setting controls whether the printer automatically registers the size of paper installed in an input source 
equipped with size sensing hardware. 
To change the value of this setting:
1.Touch SIZE SENSING from the Configuration Menu. The screen displays each size sensing equipped 
input source and its current Size Sensing value.
2.Touch   or   to scroll through the settings other possible values. 
3.Touch Back to cancel and return to the Configuration Menu....

3-40MFP Service Manual 7500-XXX
A5/Statement
Due to engine limitations, Trays 1 through 4 cannot simultaneously sense A5- and statement-size paper. The 
value of this setting determines which of the two paper sizes these trays will sense automatically. This setting 
will apply to all automatic trays, but not to the MP Feeder. The MP Feeder can support these paper sizes 
regardless of the value of this setting.
B5/Executive
Due to engine limitations, Trays 1 through 4 in cannot simultaneously sense...

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Factory Defaults
Warning:  This operation cannot be undone. 
This setting enables you to restore all of the printer’s settings to the base printer settings, the network settings, 
or to remove all Lexmark Embedded Solutions applications (LES).
To restore the Factory Default settings:
1.Touch Factory Defaults from the Configuration Menu. 
2.Touch Restore Base to restore all non-critical base printer NVRAM settings. 
3.Touch Restore Network to restore all network NVRAM...

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Format Fax Storage
This setting enables you to format the non-volatile storage used for storing faxes. 
To change this setting:
1.Touch Format Fax Storage from the Configuration Menu.
Note:  If an advanced password has been established, you must enter this password in order to change the 
setting. If no advanced password exists, you can establish one by using the keyboard that appears on the LCD.
2.Touch Submit to save the change.
3.Touch Back to cancel and return to the...