Note down the Machine Serial Number and CRUM number from these reports. Step 2: Locate Free Firmware Reset Solutions
Many third-party sellers offer pre-chipped or chipless MLT-D111S cartridges online for a fraction of the OEM cost.
What is your printer currently showing?
While holding both buttons, press the Power button to turn the printer ON.
(An 11-digit number unique to your current toner chip) Step 2: The Firmware Reset Process (How It Works)
The Samsung Xpress SL-M2020W is a highly reliable monochrome laser printer. However, users frequently encounter printing blocks caused by toner cartridge chip restrictions. When the printer reads that a cartridge is empty—even if you have refilled the toner powder—it will refuse to print.
: While some forums offer free "fix" files for older firmware versions like V3.00.01.23 , many reliable generators now charge a small fee ($13–$16) because the files must be customized to your specific Machine Serial Number and CRUM code. Using a generic "free" file not matched to your serial number can permanently damage (brick) your printer. Troubleshooting Common Errors
If a reset doesn't solve your problem, the issue might be hardware-related rather than firmware-based:
Keep holding the button for about 10–15 seconds until the status LED stays solid green, then release.
Scroll to Network Reset (or “Reset Network”) → Press OK .
Many sites offering "free cracks" or "free resetter tools" bundle their downloads with malicious software that can infect your computer.
A firmware reset (often referred to as a fix firmware or chip override) modifies the printer's internal software so that it no longer requires or reads the chip data. This allows you to refill your existing cartridge multiple times or use inexpensive third-party toner cartridges without facing lockouts. Understanding Firmware Resets: Fix vs. Official