Lexmark T420 Noise emission levels, Energy Star

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Noise emission levels

The following measurements were made in accordance with ISO 7779 and reported in conformance

with ISO 9296.

Energy Star

The EPA ENERGY STAR Office Equipment program is a partnership effort with office equipment

manufacturers to promote the introduction of energy-efficient products and to reduce air pollution

caused by power generation.

Companies participating in this program introduce products that power down when t hey are not being

used. This feature will cut the energy used by up to 50 percent. Lexmark is proud to be a participa nt in

this program.

As an ENERGY STAR Partner, Lexmark International, Inc. has determined that this product meets the

ENERGY STAR guidelines for energy efficiency.

1-meter average sound pressure, dBA

Printing 51 dBA

Idling 30 dBA

Contents

Main Page Table of contents Page Page Page Page 2 Tips on storing print media Avoiding jams Page 3 Printing from a Windows environment Printing from a Macintosh computer 4 From the printer operator panel From a Windows computer From a Macintosh computer 5 6 Supported fonts Page Page Your printer also supports the following PCL 6 bitmapped fonts: Your printer supports the following PCL 6 symbol sets. Supported symbol sets Page 7 1 2 8 specifications Note: Print duplex jobs only on paper weighing 1624 lb. The multipurpose feeder accepts print media within the following dimensions: Print media source specifications Duplex unit specifications Supported print media sizes Supported print media types Supported print media sizes (continued) 9 10 Page Page Page Page Page Page Page Page Page Page Page Page 11 Using the optional label tray Loading the standard tray, the optional 250-sheet tray, or the optional label tray Page Page Page Page Page Page Page Page Page Page 12 feeder Page Page Page Page Page Page Page Page 13 WARNING:As the printer processes a duplex print job, it partially eject s a sheet to the standard Duplex printing on letterhead Using Duplex Bind The two values for Duplex Bind are: Page Raising the paper rest Using the rear output bin Page Page 15 Page Page 17 18 Ordering a print cartridge Prebate print cartridges 19 Page Page Cleaning the printer WARNING:Do not touch the transfer roller or the plastic sensors. WARNING:Do not touch the photoconductor drum on the bottom of the print cart ridge. Installing the new print cartridge 1 Page Page 21 Page 23 Page Page Page 24 Page Page Page Page 25 Page 27 28 Paper Letterhead Printing on letterhead Transparencies Envelopes Labels Printer maintenance when printing on labels 1 2 3 Card stock Printer maintenance when printing on card stock 1 2 3 29 Page 31 Common light sequences and their meaning 32 lights Common light sequences Page Common light sequences with secondary sequences Secondary error code light sequences Secondary error code light sequences (continued) Secondary error code light sequences for jams Page Programming network code Load the multipurpose feeder Load tray 1 or tray 2 Print media jam Page Secondary error code Insufficient collation area Tray 1 is missing when tray 2 is installed Invalid refill cartridge Toner Low when the Toner Alarm is set to Off Toner Low when the Toner Alarm is set to On Standard output bin is full Not Ready Service error Ready and Power Saver Hex Trace Ready Waiting Ready with Toner Low Hex Trace Ready with Toner Low Busy with Toner Low Waiting with Toner Low Flushing buffer or Resolution reduced Canceling job or Resetting printer Activating menu changes, Performing self test, or Restoring factory defaults Invalid network code Memory full Complex page Short paper Font error Deficient printer memory Insufficient defrag memory External network adapter (ENA) connection lost Invalid network code Defective flash Unformatted flash Network interface error Flash full Too many flash options Jam in an input area Jam between the input area and the exit area Jam in an exit area Page 33 configuration menus Accessing the printer menus Printing the Printer Settings Configuration sheet Advancing in the menus and menu items, and selecting and saving values Exiting the menus Menus overview Utilities menu Reset Factory Defaults Setup menu Protocol Mode 2 USB menu NPA Mode Network menu NPA Mode Set Card Speed 34 Page 35 36 Page 37 optional drawer 38 Accessing the system board Page Page Removing optional memory cards Reinstalling the shield Page Page 39 Trademarks Page Licensing notice Safety information Cautions and warnings Electronic emission notices Federal Communications Commission (FCC) compliance information statement Page Noise emission levels Energy Star Page Lexmark T420 Printer Warranty Warranty service Page Page J L M N O P Page R S T