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AR-M351U AR-M451U (serv.man20)
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5 Few pages! See other manuals at the bottom of the first or last page.
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Service Manual
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Device
Copying Equipment / Rom Version Up Method
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ar-m351u-ar-m451u-sm20.pdf
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Sharp AR-M351U / AR-M451U (serv.man20) Service Manual ▷ View online

AR-M351U/M451U, AR-M355U/M455U  ROM VERSION-UP METHOD  12 - 3
D. In case of “Result: NG”
 (1)  Possible causes of “Result: NG”
There are following possible causes of “Result: NG.”
1) The DIP switch of write protect is not set properly. 
• The write protect switch of the controller PWB is not set to
the release side (lower side).
2) The FAX cable is not connected. The FAX is NG.
3) In rare cases, the ROM is broken down.  
(* There are three types of ROM device: the common type for
the PCU and the scanner, the common type for BOOT and
MAIN, and the exclusive type for FAX.)
E. Turning off the power during update
When the power is turned off during the update process, though
the machine is booted, data writing cannot be assured. Retry
update as follows.
1) When the power is turned off during update process of (B.)
Retry the update procedure of (B.). If the machine is not
booted or the hard keys are not invalid (**), or retry of the
update is failed again, replace the ROM’s with the spare one
of the PCU, the controller BOOT, and the scanner ROM, and
try the update procedure of (C.) for the replaced ROM’s. 
(** When the backlight of the display is lighted but the hard
keys are invalid, all LED’s flash.)
2) When the power is turned off during update process of (C.) 
Retry updating.
F. Update window display in normal booting
After completion of updating, when the power is turned off and the
DIP switches on the back of the machine are set to the normal
side and the machine is booted, the update window is displayed
as shown below instead of the normal boot window, the PCU or
the scanner may not have been properly updated.
At that time, use Up/Down key to check the version of the PCU or
the scanner. If the version is displayed as “BootMode,”  or  if  the
key operation is invalid (all the LED’s are flashing), retry updating
as follows.
1) When the key operation is possible and the version is dis-
played as “BootMode”
Turn off the power and retry the update procedure of (B.). At
that time, be sure to set the DIP switches properly. After
updating again, if the result is still NG, replace the ROM’s with
the spare one of the PCU and the scanner ROM, and perform
the update procedure of (C.) for the replaced ROM's.
2) When the key operation is invalid
Turn off the power and replace the ROM’s with the spare one
of the PCU and the scanner ROM, and perform the update
procedure of (C.) for the replaced ROM’s. Be sure to set the
DIP switches properly.
G. Update process flow
The brief descriptions on the update procedures are as follows.
For turning off during update, refer to “E. Turning off the power
during update.”
If the update window is displayed after booting with the DIP
switches on the back of the machine set to the normal side, refer
to “F. Update window display in normal booting.” 
  If the write protect switch is not set to the release side,
data are not written into the ROM. Set the DIP switch
properly, and retry updating.
  Writing is not made. Connect properly and retry writing.
  Check the ROM, and retry writing. If the trouble remains,
replace the ROM.
Version Check
CONF: *********
Update completed
Write with the onboard
collective files.(B)
NO
NO
YES
YES
YES
YES
NO
NO
 
Reset
Setting failure ? 
(D.)
Result: OK ?
Boot NG?
SCN, FAX NG?
AR-M351U/M451U, AR-M355U/M455U  ROM VERSION-UP METHOD  12 - 4
Rebootable?
YES
NO
Writing by CN6 of the
controller PWB (C.)
Update completed
YES
NO
YES
Write with onboard
collective files (B.)
Update completed
NO
Result: OK ?
Result: OK ?
Remove the boot ROM and
replace it with a spare.
(If another ROM is NG, replace it, too.)
ROM trouble? 
Replace the ROM and retry.
YES
NO
YES
NO
YES
NO
Rebootable?
Writing by CN6 of the
controller PWB (C.)
Update completed
Write with onboard
collective files (B.)
Update completed
Result: OK ?
Result: OK ?
Remove the ROM and
replace it with a spare.
ROM trouble? 
Replace the ROM and retry.
AR-M351U/M451U, AR-M355U/M455U  ROM VERSION-UP METHOD  12 - 5
<Reference> File transfer procedures
(1) File transfer by Fcopy.EXE
For file transfer by Fcopy, put Fcopy.exe and the files in a same
directory, and boot the MS-DOS. Go to the directory of the files,
and type “Fcopy file name” and transfer is made. In the following
case, the SFU file is in the C:\ROM directory and it is transferred.
(2) File transfer by File2PRN.EXE 
For file transfer by File2PRN, the machine to which the files are
transferred must be set as a printer. The connection types as a
printer are parallel port, network, and USB. For transfer by the net-
work connection, IP address setting is required. It is not described
here. For transfer of the files, execute File2PRN.EXE, and the fol-
lowing window is displayed.
Enter the path of the transfer file to “Input File Path.” (Or press
Reference button and select a file to be transferred.) Then select
the target printer in “Select Printer.” Select a parallel port connec-
tion printer or a USB connection printer depending on the connec-
tion type. After completion of the above transfer file selection and
the target printer setting, press Send button to transfer the file.
For the file transfer by USB connection, refer to “<Reference> (3)
File transfer by USB connection.”
(3) File transfer by USB connection 
When update is made by File2PRN and USB connection, USB is
used as a printer port similar to the other connections (parallel,
network).
[Setup]
1) Set the machine as a printer which is connected to the PC in a
connection type other than USB.
2) Boot the machine in the diag mode conforming to the normal
ROM update procedures.
3) Connect the PC and the machine with the USB cable.
tion.
5) The driver of SHARP AR-M455N is automatically installed.
(Note that the model name is displayed as SHARP AR-M455N
regardless of the actual model name.)
6) Follow the normal ROM update procedures to bring the
machine into the data reception status.
7) Execute File2PRN, specify the printer registered in procedure
7), and execute file transfer.
(Example: SHARP AR-M455N SPDL2 on USB001)
YES
NO
Update completed
Write with onboard
collective files (B.)
Result: OK ?
ROM trouble? 
Replace the ROM and retry.
AR-M351U/M451U, AR-M355U/M455U  ROM VERSION-UP METHOD  12 - 5
<Reference> File transfer procedures
(1) File transfer by Fcopy.EXE
For file transfer by Fcopy, put Fcopy.exe and the files in a same
directory, and boot the MS-DOS. Go to the directory of the files,
and type “Fcopy file name” and transfer is made. In the following
case, the SFU file is in the C:\ROM directory and it is transferred.
(2) File transfer by File2PRN.EXE 
For file transfer by File2PRN, the machine to which the files are
transferred must be set as a printer. The connection types as a
printer are parallel port, network, and USB. For transfer by the net-
work connection, IP address setting is required. It is not described
here. For transfer of the files, execute File2PRN.EXE, and the fol-
lowing window is displayed.
Enter the path of the transfer file to “Input File Path.” (Or press
Reference button and select a file to be transferred.) Then select
the target printer in “Select Printer.” Select a parallel port connec-
tion printer or a USB connection printer depending on the connec-
tion type. After completion of the above transfer file selection and
the target printer setting, press Send button to transfer the file.
For the file transfer by USB connection, refer to “<Reference> (3)
File transfer by USB connection.”
(3) File transfer by USB connection 
When update is made by File2PRN and USB connection, USB is
used as a printer port similar to the other connections (parallel,
network).
[Setup]
1) Set the machine as a printer which is connected to the PC in a
connection type other than USB.
2) Boot the machine in the diag mode conforming to the normal
ROM update procedures.
3) Connect the PC and the machine with the USB cable.
tion.
5) The driver of SHARP AR-M455N is automatically installed.
(Note that the model name is displayed as SHARP AR-M455N
regardless of the actual model name.)
6) Follow the normal ROM update procedures to bring the
machine into the data reception status.
7) Execute File2PRN, specify the printer registered in procedure
7), and execute file transfer.
(Example: SHARP AR-M455N SPDL2 on USB001)
YES
NO
Update completed
Write with onboard
collective files (B.)
Result: OK ?
ROM trouble? 
Replace the ROM and retry.
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Sharp AR-M351U / AR-M451U (serv.man20) Service Manual ▷ Download