A 111.50 Service Printhead error may appear if a finishing option (e.g., Stapler) is installed and the printer has Sleep Mode enabled. The frequency of this error will be dependent upon the Sleep Timeout value and the number of times the device then awakens from that state.
IMPORTANT! This 111.50 Printhead Error/crash is not an actual printhead issue. No printhead damage has been sustained as a result of this behavior.
The printer can recover from this type of error simply by powering the device OFF, waiting ten seconds, and Powering the device back ON.
A long-term fix of the issue is to update the printer’s firmware to code P133 or the latest. Follow the steps below to download the latest firmware for your printer.
How to download and update firmware
- Go to support.lexmark.com.
- Type your printer model in the “Enter Product Name” field and click OR click on the picture of the correct printer model shown.
- Locate the “Downloads” tab.
- Select the version of the Operating System.
- Click the link available under "Firmware".
After downloading the firmware, select any of the methods below perform the update.
|Firmware Flash Methods||Information|
|Embedded Web Server (EWS) Recommended||Open a browser and enter the IP address of the printer. Select Settings > Update Firmware.|
|USB utility||Click here for the detailed steps.|
|USB thumb drive||Click here for the detailed steps.|
|FTP||Click here for the detailed steps.|
|Printer File Loader
|Click here for the detailed steps.|
After updating the firmware, this type of 111.50 Printhead Error should not be encountered again. If the issue persists, or if you are having difficulties performing the update, please contact Lexmark Technical Support.
Still need help?
Please contact Lexmark Technical Support if you need additional assistance. NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating these, click here.
Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.