Firmware updates can have significant and sometimes unwanted consequences.
What Is Firmware?
Software embedded in your printer controlling communication, toner management, and paper handling.
Benefits
- Security patches
- Bug fixes
- New features
- Performance improvements
The Risk: Cartridge Blocking
Several manufacturers use firmware to block third-party and remanufactured cartridges.
How It Works
Updates change chip authentication protocols, making existing cartridge chips incompatible.
HP settled a class-action lawsuit over this practice. The EU proposed regulations to limit it. Despite this, it continues.
Disabling Auto-Updates
HP
Settings > Printer Maintenance > Printer Updates > "No"
Lexmark
Embedded web server > Settings > Device > Update Firmware > Disable
Brother
Settings > Machine Info > Firmware Auto Check > Off
When to Update
- Critical security patches
- Bug fixes for actual issues
- Required OS compatibility
Before updating, search "[model] firmware update toner" to check for compatibility reports.
Best Practices
- Disable auto-updates for remanufactured toner users
- Research before updating
- Update selectively
- Record current version
- Consult your toner supplier
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