4-2
Confidential
1.1
Installing the Firmware (Sub Firmware, Panel Firmware,
Main Firmware, and High-voltage Firmware)
1.1.1 Checking firmware version
Check whether the firmware installed in the machine is the latest version. If the version is the
latest, updating the firmware is unnecessary. If the version is not the latest, install the latest
firmware into the machine following the instructions provided in “1.1.2 Installing the firmware”
in this chapter.
<How to check firmware version>
Model without touch panel Model with touch panel
(1) Press the OK key and then the Go key
while the machine is in the ready state.
Next, press the key four times to
enter the maintenance mode.
(2) Press the or key to display
“MAINTENANCE 25” and then press
the OK key. Then, the Main firmware
version information is displayed on the
LCD.
(3) Next, press the Go key to display the
version information of the Sub firmware
and High-voltage firmware on the LCD
and check the information.
(1) Hold down the Home key for about 5
seconds while the machine is in
the
Hold d
own the blank space at th
e
b
ottom of the LCD for about 2 seconds.
(2) Press the *, 2, 8, 6, and 4 keys on
the
LCD in th
is order to enter th
e
ma
intenance mode.
(3) Press the 2 and 5 keys in this order
.
Then, the Main firmware v
e
rsion
information is
displayed on the LCD.
(4) Next, press the Mono
key to display the
ver
sion information of the Su
b
fir
mware, Panel firmware, and High-
voltage firmware on the LCD and che
ck
t
he information.
Memo:
If you cannot find the Home key, press the Toner key, and the Home
k
ey lights up.
Memo:
You can check the firmware version of the Sub firmware, Panel firmware, Main firm-
ware, and High-voltage firmware by printing the maintenance information.
(Refer to “1.3.24 Printout of maintenance information (Function code 77)” in Chapter
5.)
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