MX-M266N, MX-M316N, MX-M356N (serv.man5). Installation Manual (Revised December 2016). - Sharp Copying Equipment Service Manual (repair manual). Page 52

MX-M316N  MX-FR48U / FR50U(DATA SECURITY KIT)  17 – 2

2)

Connect the FFC. 

3)

Attach the rear cabinet.

1) Connect the power plug of the machine to the power outlet, and

turn ON the main power switch and the operation panel power
switch.

1) Turn ON the power, and the main program error is displayed. 

2) After 10 seconds from displaying the above error, the following

display is made. 

3) The main program version is displayed, and the machine enters

the boot mode. 

Install the DSK firmware as follows.

a.Operations and functions of the keys in the boot mode

b.Function selection in the boot mode

The following two functions are available in the boot mode.

c.Selection of functions in the boot mode

There are two functions available in the boot mode. These modes
can be selected by pressing [MENU] key and [BACK] key.

1) Boot the machine in the boot mode. When the Version Check

display is indicated, press [MENU] key, and the machine enters
the Firm Update mode.

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1

[START] key

Executes the selected function or item. 

2

[HOME] key

Selects a menu.

3

[CLEAR] key

Selects an item.
(On the execution confirmation screen, 
this key becomes cancel function key.)

4

[JOB STATUS] key

Selects an item.

5

[SYSTEM 
SETTINGS] key

Selects an item.

Firmware ver-
sion check 
function

Displays the firmware version of the ICU PWB, 
the SCU PWB, the PCU PWB, and the FAX 
PWB.

Firmware 
install (update) 
function

Installs (revises) the firmware by transmitting 
data from the PC which is connected to the ICU 
PWB, the SCU PWB, the PCU PWB, the FAX 
PWB, and other options with the USB flash 
drive or the USB cable.

4

2

3

5

1

Version Check
IcM:UNUSUAL

Firm Update
    From USB Memory

 

[MENU] key

[BACK] key

[MENU] key

[BACK] key

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