2PZ-3
1-6-1
1-6 Requirements on PWB Repl acement
1-6-1 Upgrading the firmware
Follow the procedure below to upgrade the firmware of main PWB (main controller and scanner), engine
PWB, FAX control PWB*, optional language, optional paper feeder and color table.
Preparation
Extract the file that has the download firmware and put them in the USB Memory.
Procedure
1. Turn ON the main power switch and
confirm if the screen shows “Ready to
copy” then, turn OFF the main power
switch.
2. Insert USB memory that has the firm-
ware in the USB memory slot.
3. Turn ON the main power switch.
4. About 40 seconds later, “FW-Update”
will be displayed and blinking the
memory indicator (this shows to start
the download).
5. Display the software that now upgrad-
ing.
“FW-Update [CTRL]”
“FW-Update [ENGN]”
“FW-Update [PF1]”
“FW-Update [PF2]”
“FW-Update [SCAN]”
“FW-Update [FAX]” *
“FW-Update [OPT]”
“FW-Update [CLT]”
Caution:
Never turn off the power switch or remove
the USB flash device during upgrading.
6. Display the completion of the upgrade
(Memory indicator is ON condition).
Figure 1-6-1
7. ROM version is confirmed by the con-
tent of the display.
8. Turn OFF the main power switch and
remove the USB memory.
*: 4 in 1 model (with FAX) only.
Safe-UPDATE
IIf 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 3 through 8.
If the USB memory is disconnected, reinsert it, then turn the power on and perform the above steps 3 through
8.
In any case, complete the steps to the end.
USB memory
USB memory slot
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