Fix Ml1660 V1.01.00.30.fls

Immediately click “Start” in FloTool. The progress bar should move from 0% to 100% in 2–3 minutes.

Do not interrupt – Do not turn off the printer or disconnect USB.

Once complete, the printer will restart automatically. The LED should turn solid green.

Note: If FloTool shows “Timeout error” or “No response from device,” repeat steps 5–7. Timing is critical.

A: On the ML-1660, a slow blinking green light usually indicates a firmware error. A fast blinking red light points to hardware failure. The .fls error typically manifests as a green blink after power-on, then nothing. Fix Ml1660 V1.01.00.30.fls

Before touching firmware, try resetting the printer’s non-volatile RAM. This clears temporary corruption that might be pointing to the wrong .fls file. Immediately click “Start” in FloTool

Steps:

Installing a generic Samsung driver or a driver meant for a different model (e.g., ML-1670) can sometimes send incorrect initialization commands to the ML-1660, confusing the bootloader and triggering a firmware mismatch error. Note: If FloTool shows “Timeout error” or “No

A power surge while the printer is in sleep mode can corrupt volatile memory. Although rare, this can scramble a single .fls file without physically destroying the board.

After successful flash: