How to fix 'Cartridge mismatch' on Lexmark M1140 Printer?
- KKelsey AllenSep 12, 2025
If your Lexmark Printer displays a cartridge or imaging unit mismatch, change the toner cartridge or imaging unit so that both are MICR or non-MICR supplies.

How to fix 'Cartridge mismatch' on Lexmark M1140 Printer?
If your Lexmark Printer displays a cartridge or imaging unit mismatch, change the toner cartridge or imaging unit so that both are MICR or non-MICR supplies.
How to fix 'Network error' on Lexmark M1140 Printer?
If your Lexmark Printer displays a network error on a specific port, unplug the router, wait 30 seconds, and then plug it back in. You can also turn off the printer, wait about 10 seconds, and then turn the printer back on.
How to fix network error on Lexmark M1140?
If your Lexmark Printer displays a network error on a specific port, unplug the router, wait 30 seconds, and then plug it back in. You can also turn off the printer, wait about 10 seconds, and then turn the printer back on.
What to do if Lexmark M1140 imaging unit is nearly low?
If your Lexmark Printer indicates that the imaging unit is nearly low, press the button on the printer control panel to clear the message and continue printing.
How to fix memory full error on Lexmark M1140?
If your Lexmark Printer displays a 'Memory full' error, you can press the button on the printer control panel to clear the message. Alternatively, try decreasing the resolution setting or installing additional printer memory.
How to reinstall missing cartridge on Lexmark M1140 Printer?
If your Lexmark Printer prompts you to reinstall a missing or unresponsive cartridge, check if the toner cartridge is missing and install it if it is. If the toner cartridge is already installed, remove the unresponsive toner cartridge and then reinstall it.
How to resolve 'Memory low' error on Lexmark M1140 Printer?
If your Lexmark Printer displays a 'Memory low, no Resource Save' message, press the button on the printer control panel to disable Resource Save, clear the message, and continue printing. Alternatively, install additional printer memory.
What to do if Lexmark M1140 Printer cannot defrag flash memory?
If your Lexmark Printer cannot defrag flash memory, press the button on the printer control panel to stop the defragmentation and continue printing. You can also delete fonts, macros, and other data in the printer memory by navigating to Settings > Print Settings > Utilities Menu > Format Flash > Yes from the printer control panel. Alternatively, install additional printer memory.
What to do if Lexmark M1140 has defective flash memory?
If your Lexmark Printer indicates defective flash memory, replace the defective flash memory card. Alternatively, from the printer control panel, press the button to ignore the message and continue printing, or cancel the current print job.
How to resolve 'Complex page may misprint' error on Lexmark Printer?
If your Lexmark Printer indicates that a complex page may misprint, press the button on the printer control panel to clear the message and continue printing. You can also reduce the number and size of fonts, the number and complexity of images, and the number of pages in the print job. Alternatively, cancel the print job or install additional printer memory.
| Color | No |
|---|---|
| Duplex printing | Yes |
| Print technology | Laser |
| Maximum resolution | 1200 x 1200 DPI |
| Time to first page (black, normal) | 6.5 s |
| Print speed (black, normal quality, A4/US Letter) | 38 ppm |
| Printing colors | Black |
| Maximum duty cycle | 80000 pages per month |
| Recommended duty cycle | 750 - 7200 pages per month |
| Number of print cartridges | 1 |
| Total input capacity | 300 sheets |
| Total output capacity | 150 sheets |
| Maximum input capacity | 850 sheets |
| Envelopes sizes | 7 3/4, 9, 10, DL |
| Maximum print size | 216 x 297 mm |
| Paper tray media types | Card stock, Envelopes, Labels, Plain paper, Transparencies |
| Non-ISO print media sizes | Executive (184 x 267mm), Folio (media size), Letter (media size), Oficio (media size), Statement (140 x 216mm), Legal (media size) |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| JIS B-series sizes (B0...B9) | B5 |
| Maximum ISO A-series paper size | A4 |
| Standard interfaces | Ethernet, USB 2.0 |
| Optional connectivity | Wireless LAN |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| Sound pressure level (printing) | 54 dB |
| Display | LCD |
| Product color | Grey, White |
| Sustainability certificates | ENERGY STAR |
| Operating altitude | 0 - 2896 m |
| Operating temperature (T-T) | 16 - 32 °C |
| Operating relative humidity (H-H) | 8 - 80 % |
| Depth | 382 mm |
|---|---|
| Width | 399 mm |
| Height | 263 mm |
Guides on locating printer setup and usage documentation through various resources.
Details on choosing a suitable environment for the printer, considering space, ventilation, and stability.
Explains how to configure the printer by adding optional trays for increased paper capacity.
Describes the functions of each button on the printer's control panel for navigation and operation.
Guides on accessing and utilizing the printer's web interface for management and monitoring.
Instructions for installing internal hardware or memory options, including accessing the controller board.
Steps for installing optional trays, covering unpacking, removal, insertion, and connection.
Instructions on installing printer software on a computer for optimal functionality.
Information on preparing to connect the printer to an Ethernet or wireless network.
Procedure for configuring paper size and type settings via the printer control panel.
Step-by-step instructions for loading paper into printer trays, including safety precautions.
Guide on how to load various paper types and sizes into the multipurpose feeder.
Describes paper properties like weight, curl, smoothness, and moisture content affecting print quality.
Lists paper types that are not recommended for use with the printer due to potential issues.
Guidelines for printing on specialty media like card stock, envelopes, and labels.
Instructions for sending a document to the printer from Windows and Macintosh operating systems.
How to adjust the toner darkness using the Embedded Web Server for optimal print output.
Details the settings related to paper selection, including default source and tray configuration.
Explains how to specify paper size and type for trays, MP feeder, and manual loading.
Details settings for two-sided printing based on paper type, including duplex and off options.
Provides printing suggestions and tips to reduce paper and toner consumption for environmental benefits.
Guides on using Eco-Mode to quickly reduce printer's environmental impact through energy and paper saving.
Explains Hibernate mode as an ultra-low power state for significant energy savings.
Explains printer memory types (volatile and non-volatile) and when to erase them.
Steps to securely erase non-volatile memory via the printer control panel.
Step-by-step instructions for cleaning the printer's exterior and interior components safely.
Contact information and procedures for ordering genuine Lexmark supplies and parts.
Instructions for replacing consumables like toner cartridges and imaging units.
Safety precautions and steps for safely moving the printer to a new location or for shipping.
How to view and interact with a virtual representation of the printer control panel remotely.
Setting up alerts for low supply levels via email or on-screen notifications.
Steps to reset printer settings to their original factory defaults, with exceptions noted.
Tips and best practices for loading paper properly to prevent paper jams.
Explains how printer messages indicate jam locations and how to clear them.
Detailed steps for clearing paper jams located behind the printer's front door.
Instructions for clearing paper jams from the printer's standard paper bin.
Explains common printer messages and provides initial steps for resolution.
A guide to diagnosing and resolving common printer issues through a step-by-step process.
Troubleshooting steps for when print jobs are not being sent to the printer.
Guidance on diagnosing and resolving various print quality issues like jagged text or blank pages.
Troubleshooting steps when the printer's Embedded Web Server is inaccessible via a web browser.