Lexmark 20T3751 - T 620dn B/W Laser Printer Support and Manuals
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Popular Lexmark 20T3751 Manual Pages
User Reference - Page 10
... information about understanding the operator panel, changing printer settings, and understanding operator panel menus. Changing a printer setting from the printer operator panel or from the printer operator panel.
You can change from the application or printer driver apply only to the printer. Understanding the operator panel
The printer operator panel has a 2-line by 16-character...
User Reference - Page 13
... panel, the asterisk moves next to the selected setting to identify it as a network printer available to a number of the current user default settings and installed printer options:
1 Make sure the printer power is configured as the current user default. These remain in printer memory. Once stored, these settings remain active until you select from using the operator...
User Reference - Page 20
...will hold the Select and Return buttons while you turn off . The printer returns
to Off, and then press Select. The first line of the...setting.
5 Press Menu to change the setting to the Ready state.
20 6
Printing folio and statement size paper
Folio and statement sizes are not available in the Paper Size menu until Size Sensing is replace by Performing Self Test.
To turn the printer...
User Reference - Page 21
...lb bond).
21
7 Choosing print material
The print quality and feed reliability of your printer and options can automatically feed paper weights from 60 to 176 g/m2 (16 to ...) grain long. For detailed information, refer to the Card Stock & Label Guide located on the Lexmark Web site at www.lexmark.com. This section provides guidelines for more information:
• Paper characteristics
&#...
User Reference - Page 63
... know it when the current one no longer prints satisfactorily.
63 See the following table for the maintenance kit part number for information about Lexmark Authorized Supplies Dealers in the U.S.
Print cartridges
Order a new print cartridge when Toner Low first appears on the display. 23 Ordering supplies
For best results, use Lexmark supplies with your specific printer.
User Reference - Page 64
... cartridges are specifically designed for duplex printing. Label fuser cleaners are not recommended for your empty cartridges only to Lexmark.
For regular priced cartridges without these terms, order part number 12A6760 (10,000 pages) or 12A6765 (30,000 pages).
2 Label fuser cleaners are included in the print cartridge box when you return your printer:
Prebate print cartridge part...
User Reference - Page 67
... printer power switch is on. • The electrical outlet is not turned off by any switch or breaker. • Other electrical equipment plugged into the outlet is working. • You try turning the printer off, then wait for about 10 seconds, and turn the printer on. This often fixes the problem. • Your printer driver settings are...
User Reference - Page 94
... operator panel.
When the test is
completed, Ready is blank. Action
• Turn the printer off, wait about 10 seconds, and turn the printer off and call your service representative.
Menu settings changed from the operator panel.
94 28 Solving display problems
If the suggested corrective action does not fix the problem, call the Lexmark Customer Support Center.
User Reference - Page 95
... interface you are using meets the specifications for more details. The settings on the
printer and on a Macintosh computer, see Network printing problems.
Check the printer interface from the Setup Menu.
If you use RS-232 Serial, verify that you are using the correct printer driver. another USB-capable operating system supported by Lexmark. Make sure there is loaded correctly...
User Reference - Page 96
... in the envelope feeder. material. Problem
Action
Print material misfeeds or multiple feeds occur (continued).
Load the recommended print side correctly for more information. Load less print material in the Setup Menu.
Check the Print Timeout setting in the paper sources.
Turn the print material over in the printer driver. Do not mix print material...
User Reference - Page 97
... that the correct print material is too light. Open and close the printer upper front door to be low. 30 Solving print quality problems
If the suggested corrective action does not fix the problem, call the Lexmark Customer Support Center.
Reinstall the cartridge and then press Go.
• Change the Toner Darkness setting in the Paper Menu.
User Reference - Page 103
... to the Setup Guide. I need to get updated printer drivers or utilities.
• Refer to the drivers CD that came with your printer is configured with a serial port, or you have installed an optional
to the printer.
It contains printer drivers and utilities.
• Visit the Lexmark Web site, www.lexmark.com, for the most current printer drivers or utilities.
www.lexmark.com.
103...
User Reference - Page 138
... times specified by the Copies menu item.
Prints entire job the number of copies required for all print jobs. (Select Duplex from the printer driver.
For example, if you set the number of copies you set duplexing as the default for a specific job from the printer driver to print, the printer prints page 1, page 2, page 3, page 1, page 2, page 3.
User Reference - Page 142
... Source is displayed only when a finisher is installed. See also:
Prime Stapler
142
Staple Prime Src
Purpose:
To specify the paper source you want the printer to use when the Prime Stapler is selected from the printer driver if you want to the printer. Staple Job
Purpose:
To set stapling as the default for all print...
User Reference - Page 170
... Reference for scientific text.
Symbol sets support the different requirements for languages or specific applications, such as math symbols for more information about assigning source numbers.
170
Symbol Set
Purpose: To choose a symbol set of alphabetic and numeric characters, punctuation, and special symbols used when printing with printer drivers or applications that use different...
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