Lexmark 840dn - W B/W Laser Printer Manuals
Lexmark 840dn - W B/W Laser Printer Manual (53 pages)
- Identifier: id-534035
- Brand: Lexmark
- Device: Printer
- Type: Manual , PDF
- Key Aspects: Helpful Tips for Resolving Common Issues, Tips for Efficient Operation, Energy Efficiency Tips
- UPD Date: 28.02.2026
- Source File: 520882.pdf
- Pages: 53
- Description: Setup instructions for the Lexmark 840dn - W B/W Laser Printer. The manual contains instructions for safety guidelines, testing procedures, troubleshooting guides, user instructions.
Key Pages and Contents:
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Menus and Messages
March 2005 Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. © 2005 Lexmark International, Inc. All rights reserved. 740 West New Circle Road Lexington, Kentucky 40550 -
Understanding printer messages
201.yy Paper jam 1 Clear the paper path. 2 After clearing the paper path, press until Continue appears, and then press to resume printing. 202.yy Paper jam 1 Clear the paper path. 2 After clearing the paper path, press until Continue appears, and then press to -
Using printer menus
Configure MP This menu selection is used to configure the multipurpose feeder as another paper tray or manual feeder. If you link the multipurpose feeder with another tray, you can have the printer pull paper from the multipurpose feeder before taking paper from another tray. S -
Using printer menus
PCL Emul Menu Use this menu selection to change printer settings that affect jobs using the PCL emulation printer language. Menu selection Purpose Values Font Source Determines the set of fonts displayed in the Font Name menu item. Resident* Displays all fonts resident in prin
Lexmark 840dn - W B/W Laser Printer Troubleshooting manual (6 pages)
- Identifier: id-534038
- Brand: Lexmark
- Device: Server
- Type: Troubleshooting manual, PDF
- Key Aspects: Technical Details and Specifications, Remote Management Instructions, Future Technology Considerations
- UPD Date: 27.02.2026
- Source File: 520885.pdf
- Pages: 6
- Description: Device technical manual for the Lexmark 840dn - W B/W Laser Printer. It provides technical information on backup procedures, setup, technical troubleshooting, interface navigation.
Key Pages and Contents:
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Online technical support
Technical support is available on our Lexmark Web site at www.lexmark.com. Checking an unresponsive printer If the printer is not responding, first make sure: • The power cord is plugged into the printer and a properly grounded electri -
Page Protect is set to On
Set Page Protect to Off from the Setup Menu. For more information, see the Menus and Messages Guide. Job prints from the wrong tray or on the wrong paper or specialty media Make sure the Paper Size and Paper Type specified in the printer driver match the paper size and type -
Blank pages feed into the output
bin Load the correct type media for your print job, or change the Paper Type to match the type of media loaded. For more information, see the Menus and Messages Guide. Original documents misfeed in the ADF • Adjust the guides toward the media until they lightly res -
The job prints, but the top and side
margins are incorrect • Make sure the Paper Size setting in the Paper menu is correct. • Make sure the margins are set correctly in your software application. Ghost images appear • Make sure the Paper Type setting in the Paper menu is correct. • Verify th
Lexmark 840dn - W B/W Laser Printer Clearing jams manual (6 pages)
- Identifier: id-534037
- Brand: Lexmark
- Device: Printer
- Type: Clearing jams manual, PDF
- Key Aspects: Glossary of Terms, Device Features Over Time
- UPD Date: 09.07.2026
- Source File: 520884.pdf
- Pages: 6
- Description: Maintenance and service manual for the Lexmark 840dn - W B/W Laser Printer. This guide includes component replacement, specifications, technical assistance.
Key Pages and Contents:
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The following hints can help you avoid jams:
• Use only recommended print media. • Do not overload the print media sources. Make sure the stack height does not exceed the maximum height indicated by the stack line on the labels in the sources. � -
3 Firmly pull the colored tab to remove the staple
cartridge. 4 Use the metal tab to lift the staple guard, and then pull out the sheet of staples. Discard the entire sheet. 5 Remove any loose staples from the staple guard. 6 Look through the clear covering on the bottom of the cartridge holder to m -
Clearing Area B
1 If the printer is configured with a 2000-sheet high capacity feeder, slide the feeder away from the printer. 2 Open Door B. 3 Remove the jammed media. 4 Close Door B. 5 Slide the feeder firmly against the printer. 6 Press . Clearing Area C 1 If the printer is configured with a 2000 -
3 Pull the print media up.
4 Close Door E. 5 Close Door A. 6 Press . 230 Paper Jam Check Door
Lexmark 840dn - W B/W Laser Printer Connection manual (18 pages)
- Identifier: id-534036
- Brand: Lexmark
- Device: Printer
- Type: Connection manual, PDF
- Key Aspects: Common Use Cases Explained, Safety Compliance Certificates, Alternative Usage Methods
- UPD Date: 24.05.2026
- Source File: 520883.pdf
- Pages: 18
- Description: Technical operations guide for the Lexmark 840dn - W B/W Laser Printer. The manual includes instructions for device instructions, system parameters, hardware instructions.
Key Pages and Contents:
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Page 4 of 4
Printing on specialty media Media is paper, card stock, transparencies, labels, and envelopes. The last four are sometimes referred to as specialty media. Follow these instructions to print on specialty media. 1 Load the media as specified for the tray being used. See “L -
Print quality and troubleshooting
Page 4 of 5 The job prints, but the top and side margins are incorrect. • Make sure the Paper Size setting in the Paper Menu is correct. • Make sure the margins are set correctly in your software application. Ghost images appear. • Make sure the Paper Type set -
Page 2 of 2
Installing printer and software for network printing using Windows 1 Make sure the printer is turned off and unplugged. 2 Connect the printer to a LAN drop or hub using an ethernet cable that is compatible with your network. 3 Plug one end of the printer power cord into -
Print quality and troubleshooting
Page 1 of 5 Print quality and troubleshooting Many print quality problems can be solved by replacing a supply or maintenance item that has reached the end of its intended life. Check the operator panel for a message about a printer consumable. See the User’s Guide
Lexmark 840dn - W B/W Laser Printer Setup (4 pages)
- Identifier: id-534039
- Brand: Lexmark
- Device: Printer
- Type: Setup, PDF
- Key Aspects: Regulatory Compliance Information, Accessibility Information
- UPD Date: 18.04.2026
- Source File: 520886.pdf
- Pages: 4
- Description: Official user manual for the Lexmark 840dn - W B/W Laser Printer. It outlines maintenance guidelines and hardware instructions, operating modes, software updates, repair references.
Key Pages and Contents:
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Commission (FCC) information
This device complies with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. Refer to the publications CD for more compliance information. 6 7 -
Federal Communications Commission (FCC) information
This device complies with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. Refer to the publications CD for more compliance information. 6 7 5 -
© 2005 Lexmark International, Inc.
All rights reserved. Printed in China
Lexmark 840dn - W B/W Laser Printer Operation & user’s manual (119 pages)
- Identifier: id-534034
- Brand: Lexmark
- Device: Printer
- Type: Operation & user’s manual, PDF
- Key Aspects: Troubleshooting Section, Features Comparison Chart
- UPD Date: 12.04.2026
- Source File: 520881.pdf
- Pages: 119
- Description: Operating and setup manual for the Lexmark 840dn - W B/W Laser Printer. It covers topics such as service instructions, firmware installation, energy usage.
Key Pages and Contents:
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Photoconductor kit end-of-life
71 Maintaining the printer Photoconductor kit end-of-life To ensure print quality and to avoid damage to the printer, the printer stops operating after the photoconductor kit has reached approximately 60,000 pages (Letter/A4). The message 84 Replace PC Unit is displaye -
Solving paper feed problems
99 Troubleshooting Solving paper feed problems Symptom Cause Solution Paper frequently jams. You are using paper that does not meet the printer specifications. Use recommended paper and other specialty media. See the Card Stock & Label Guide available on our Lexmark Web s -
Clearing printer jams
87 Clearing jams 5 Slide the feeder firmly against the printer. 6 Press . -
Selecting print media
43 Understanding paper and specialty media guidelines Smoothness The degree of smoothness of paper directly affects print quality. If the paper is too rough, the toner does not fuse to the paper properly, resulting in poor print quality. If the paper is too smooth, it can cause
Lexmark 840dn - W B/W Laser Printer Setup manual (62 pages)
- Identifier: id-533798
- Brand: Lexmark
- Device: All in One Printer
- Type: Setup manual, PDF
- Key Aspects: Virtual Training Session Links, Accessibility Features Overview
- UPD Date: 14.04.2026
- Source File: 520642.pdf
- Pages: 62
- Description: Owner’s guide for the Lexmark 840dn - W B/W Laser Printer. This guide describes features and installation steps, technical guidelines, configuration options, service procedures.
Key Pages and Contents:
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IPDS Printer and Host Setup Guide PSF/AIX LAN Printing Using an Internal LAN Print Server
Step 4 Configure the Printer’s Network Job Timeout Note: If you specified Port 5001 or 9600 as the TCP/IP port number in the printer created in Step 2 [page 45], you do not need to configure the printer -
IPDS Printer and Host Setup Guide Coax/Twinax Adapter for SCS Support
9. Coax/Twinax Adapter for SCS Support The table below shows the printers which support the Coax/Twinax Adapter for SCS. � = supported (see note) � = not supported Note: If a "55 Unsupported Card" or "55 Unsupported Opt -
IPDS Printer and Host Setup Guide PSF/MVS LAN Printing Using the Standard Network Port or Internal Print Server
3. PSF/MVS LAN Printing Using the Standard Network Port or Internal Print Server With the optional Card for IPDS/SCS/TNe and a LAN print server installed, the printer can receive, pro -
IPDS Printer and Host Setup Guide AS/400 and iSeries Twinax Printing Using the Adapter for SCS
Message queue.....................MSGQ QSYSOPR Library......................... *LIBL Maximum length of request unit....MAXLENRU *CALC Application type..................APPTYPE *NONE Activation ti
Lexmark 840dn - W B/W Laser Printer Operation & user’s manual (312 pages)
- Identifier: id-533795
- Brand: Lexmark
- Device: All in One Printer
- Type: Operation & user’s manual, PDF
- Key Aspects: Customization Options, User Case Scenarios
- UPD Date: 15.08.2026
- Source File: 520639.pdf
- Pages: 312
- Description: Practical user guide for the Lexmark 840dn - W B/W Laser Printer. This manual covers installation, operation, and assembly reference, energy usage, menu navigation, functional overview.
Key Pages and Contents:
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Operations - TN3270E SETUP: MISC SETTINGS > FF Support (IDB Option 5)
FF Support (IDB Option 5) This SCS Options > MISC Settings option defines if a form feed and/or a line feed is generated when the MPL (Maximum Page Length) or BM (Bottom Margin) is reached in the data stream. Advanced IDB lang -
Appendix - Specifications, Requirements, Features: Features List: 3270 SCS
Features List: 3270 SCS Features supported are dependent upon host software for selection and use. • SCS (LU1) data stream • 5 bin paper input • EBCDIC character conversion • Text string conversion • IBM and 3 -
Warranty: included with the printer
Warranty included with the printer The limited warranty you received with your printer gives warranty terms and conditions. For warranty information, refer to your printer documentation. -
AS/400 and iSeries Installation Setup: Task 2 - Configuring a Print Server
3 Set the TCP/IP option values shown in the table below. Select Menus > Network/Ports > TCP/IP. You will need to contact your network administrator for several of the values. You will need to contact your network administ
Lexmark 840dn - W B/W Laser Printer Operation & user’s manual (129 pages)
- Identifier: id-533797
- Brand: Lexmark
- Device: All in One Printer
- Type: Operation & user’s manual, PDF
- Key Aspects: Tips for Home Setup, Installation Troubleshooting Guides, Special Promotions for Users
- UPD Date: 28.07.2026
- Source File: 520641.pdf
- Pages: 129
- Description: Device guide for the Lexmark 840dn - W B/W Laser Printer. The documentation includes operating conditions, installation guides, configuration options.
Key Pages and Contents:
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how to change a numerical setting on the
operator panel ........................................... 14 how to change a numerical setting on the touch screen........................................................ 17 how to select a new value on the operator panel................................. -
Media type OID
(Value for ‘bb’ or ‘bbbb’ in table above) Note JIS B4 JIS B4 (257 x 364 mm) 42 X’2A’ JIS B5 JIS B5 (182 x 257 mm) 43 X’2B’ LEDGER North American ledger (11 x 17 in) 69 X’45’ LEGAL North American legal white (8.5 x 14 in.) 60 X� -
3.6 MAP INPUT TRAYS Menu Options
This option defines the mapping of the host's request for a physical feeder or input tray in the printer. Any host input source can be mapped to any printer input source. The printer input source is mapped to an IPDS host number. Input sources include the multi-pu -
Margin menu option
Top Margin Left Margin Top Margin Back Left Margin Back ALL INPUT TRAYS x x x x TRAY 1 ADJUST x x x x TRAY 2 ADJUST x x x x TRAY 3 ADJUST x x x x TRAY 4 ADJUST x x x x TRAY 5 ADJUST x x x x MP FEEDER ADJUST x x x x ENV FEEDER ADJ x x MANUAL PAPER ADJ x x x x MANUAL ENV ADJ x x
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