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I have been trying to install a firmware for the Sharp mfp model stated but don't know where to start. Need help from any expert here. The original sd card containing the firmware has failed and I cannot access the original file. I have another sd card that I would like to install the firmware to.

  • Have you checked the support section of Sharp's website? – Appleoddity Aug 17 '17 at 13:06
  • Have a look at page 219 of thie service manual manualslib.com/manual/922647/… – hdhondt Aug 19 '17 at 22:41
  • Thanks for the replies. The printer is now displaying this message "Err: Failed to expand ARM9 prg". Please confirm that I need a new SD card for this printer. Thanks – Kva Aug 22 '17 at 0:04

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