Everything You Need to Know About the ML1660 V1.01.00.30.fls Firmware Fix
Some firmware versions require putting the printer into a forced boot/download state. Turn off the printer, hold down the paper feed/stop button, turn the printer back on, and release the button once the LEDs change pattern.
The .fls file is a . When uploaded to the printer, it modifies the device's internal software to:
Even with the fix, users may encounter standard operational issues: Paper Jams: Physical obstructions in the rollers or feeders. Offline Errors:
: Turn off the printer, then turn it back on while holding the (or Print Screen) button until the lights flash rapidly Flash the Firmware : Connect the printer to a PC via USB and drag the firmware file onto the usbprns2.exe usblist2.exe Complete the Reset Fix Ml1660 V1.01.00.30.fls
: A power flicker or mismatched version during the flash process will kill the formatter board.
The exact listed on your printed configuration report. The Operating System version running on your computer.
The .fls (or .hd ) file acts as a modified firmware file. When forced into the printer's flash memory, it rewires the inner logic of the engine, allowing the printer to bypass the chip authentication loop entirely. Technical Specifications Table Samsung ML-1660, ML-1665, ML-1667 Compatible Base Version V1.01.00.30 (Does not downgrade V1.01.00.34 or higher) File Formats Available .fls or .hd Primary Utility Tool usblist2.exe or usbprns2.exe Post-Flash Toner Status Permanently locked at 100% Critical Warnings and Prerequisites
Samsung designed the ML-1660 series with region-specific and version-specific firmware. Version (often abbreviated as V30) is one of the later firmware revisions for this monochrome laser printer. Everything You Need to Know About the ML1660 V1
The printer's status light will blink rapidly. This indicates it is writing the new software to its flash memory.
The ML-1660 series uses a cartridge chip that counts printed pages and eventually locks the printer once a predetermined limit is reached. The V1.01.00.30.fls
For those who prefer visual guidance, search YouTube for “Samsung ML-1660 FloTool recovery” – but always verify that the video uses the exact V1.01.00.30 version.
: This fix is version-specific; using a version lower than your printer's current OS version may result in errors or failure Google Groups Components When uploaded to the printer, it modifies the
Once the firmware installation finishes successfully, the internal chip validation systems must be physically isolated to maintain the patch's parameters:
Firmware fixes are version-dependent. Using a V1.01.00.30 fix on a printer with a higher original firmware version (like V1.01.00.34) can "brick" the device, making it unusable. Implementation Process
: Cover these metallic contacts completely using non-conductive electrical tape or kapton tape. Alternatively, physically unscrew and remove the chip element from the cartridge housing.