Service manual

Firmware Update
M052/M053/M054 5-190 SM
5.14.3 UPDATING FIRMWARE
Preparation
 If the SD card is blank, copy the entire "romdata" folder onto the SD card.
 If the card already contains the "romdata" folder, copy the "M052" folder onto the card.
If the card already contains folders up to "M052"", copy the necessary firmware files (e.g.
M052xxxx.fwu) into this folder.
 Do not put multiple machine firmware programs on the same SD card. Copy the only
model firmware you want.
Updating Procedure
1. Turn the main power switch off.
2. Remove the SD slot cover [A] (
x 1).
3. Remove the VM card [B] from SD slot 2 (lower slot).
4. Insert the SD card [C] into SD slot 2. Make sure the label on the SD card faces the left side
of the machine.
5. Slowly push the SD card into the slot so it locks in place. You will hear it click. Make sure
the SD card locks in place.
 To remove the SD, push it in to unlock the spring lock. Then release it so it pops
out of the slot.
6. Disconnect the network cable from the copier if the machine is connected to a network.
7. Switch the main power switch on. After about 45 seconds, the initial version update screen
appears on the LCD in English.
8. On the screen, touch the button or press the corresponding number key on the operation
panel to select the item in the menu that you want to update.