Member Avatar for MpG

Hello,
I own a samsung ml-1640 laser printer and after refilling the toner cartrige the printer needed a counter reset because it had reached the 2100 pages limit.I tried to reset the printer either by shortcircuit some mainboard pins or by software(solutions that worked before :P)but nothing.As i tried to flash firmware again and again I downloaded and run a firmware version of ml-2240 by mistake as I was very tired!!! now the printer is recognized as a 2240 by my pc and it doesn't function at all (both LED lights constantly red....) can I somehow fix it or should I look for a new plate or even printer...????

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  • Latest Post Latest Post by Crhiztian

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A concise recovery guide and cautions for wrong‑firmware flashes on Samsung ML‑series printers (relevant to , and ).

Wrong‑model firmware replaces the printer’s code with an incompatible image. That doesn’t always mean the PCB is destroyed, but the device will behave like a different model or refuse to boot. Recovery depends on using the exact firmware that matches both the model and the PCB/hardware revision — there is no generic “uninstall” for firmware.

Safe, first‑line recovery steps:

  • Confirm exact model and PCB revision (check labels on the case and the mainboard). Model + PCB revision is required to find the correct firmware image.
  • Obtain only the official firmware image that exactly matches both model and board revision (manufacturer or authorized support). Do not use a firmware file from a different model.
  • On a PC, remove existing printer drivers, connect the printer directly to a USB port (no hubs), and run the official firmware updater as Administrator. Older firmware tools sometimes work best on older Windows (XP/7) or in compatibility mode. Try a different machine and USB cable if the updater can’t see the device.
  • If the updater reports the wrong model, check that the printer is in the correct USB state (reconnect, power‑cycle, try alternate ports) before assuming permanent failure.

When software flashing fails:

  • Some models offer a service/bootloader recovery mode or require a vendor service tool — consult service documentation or a service center.
  • As a last resort for technically skilled users, the serial/NOR flash chip can be reprogrammed with an SPI programmer. This requires identifying the chip, a correct firmware image, and careful ESD/workmanship; it carries risk and may void warranty.

Notes tied to thread posts: ’s suggestion to reinstall correct firmware is the right direction — firmware isn’t “uninstalled,” it must be replaced with the exact, matching image. should locate ML‑1915 firmware that exactly matches the board revision; do not apply ML‑1640 files. should expect that restoring the correct firmware fixes the model identity and many faults, but separate counter/reset procedures or official reset tools may still be required for page‑count issues.

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Member Avatar for edgaaa

Can't you just uninstall that firmware and try installing which is needed again? or I don't understand something? :)

Member Avatar for MpG

well yes you are correct!!!!I realized it by chance yesterday as i was trying possible solutions, just before your answer.The thing is that I didnt know that something like this was possible....Anyway thanks.

Member Avatar for Crhiztian

Well I blew mine....

I have A ML-1915 and "accidentally" installed the ML-1640 firmware, my problem is that I cant find my firmware anywhere, can anybody helpme?

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