Kyocera TASKalfa 4551ci

Follow the procedure below to upgrade the firmware of main PWB, operation PWB, engine PWB, ISC PWB, fuser IH PWB, motor control PWB, optional language, color table and optional devices.
* : Firmware upgrade must be preceded by an authentication using U025 if the security level is set to Very High.

Preparation

Extract the file that has the download firmware and put them in the USB flash device.

Procedure

1. Perform maintenance item U000 (maintenance report output) and check U019 firmware version.
2. Press the power key on the operation panel, and after verifying the power indicator has gone off, switch off the main power switch.
3. Insert the USB flash device in which the firmware has been written into a notch hole of the machine.
4. Turn the main power switch on. Upgrading firmware starts (blinking the memory LED).
   Caution: Never turn off the power switch or remove the USB flash device during upgrading.
5. [FW-DPDATE] is displayed on the touch panel when upgrading is complete.
6. Switch off the main power switch.
7. Wait for several seconds and then remove the USB flash device from the machine.
8. Turn the main power switch on.
9. Perform maintenance item U000 (maintenance report output) and check that U019 firmware version has been upgraded.

Safe-UPDATE

If the device is accidentally switched off or the USB memory is disconnected and upgrading is incomplete, perform the following.

If the power is accidentally switched off, turn the power on without removing the USB memory and perform the above steps 4 through 9.

If the USB memory is disconnected, reinsert it, then turn the power on and perform the above steps 4 through 9.

In any case, complete the steps to the end.