Lexmark MS71x & MS81x – 111.21 Service Printhead Error
|Lexmark MS710||Lexmark MS711||Lexmark MS810|
|Lexmark MS810de||Lexmark MS811||Lexmark MS812||Lexmark MS812de|
What you will see
The printer posts a 111.21 Printhead Error upon boot up or after re-inserting the toner cartridge and imaging unit inside the printer.
It is possible that the printhead is not getting the required power to start due to faulty signal transmission caused by improper insertion of the toner cartridge and imaging unit.
- Open the printer's top cover.
- Remove the toner cartridge and then the imaging unit.
- Reinsert the toner cartridge and the imaging unit. Make sure that everything is seated properly.
- Restart the printer.
- If the error returns upon restarting, repeat the procedure. If the issue persists after several tries, contact Lexmark Technical Support for additional troubleshooting suggestions.
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.