View Sharp AR-M351U / AR-M451U (serv.man20) Service Manual online
each ROM inserted to its specified slot.
the update process, etc., insert a preliminary ROM into the control-
ler PWB and make update for each ROM individually. The update
process flow in such a case is shown in “G. Update process flow.”
setting is made (regardless of Centro, USB, or TCP/IP connection
type) to the printer by the use of File2PRN.EXE described later. In
the other cases, use FCOPY.EXE to transfer the files.
comparing the sum value. If the operation should be abnormal,
make updater (C.) by the controller PWB.
In this case, refer to “E. Power OFF during update.”
booting the machine normally. In this case, the PCU and the
scanner may not have been updated normally. Refer to “F.
Update window when normal booting.”
of the controller PWB. This is because the difference in the com-
munication speeds of the PWB’s, etc. Also when the version of
the software which is updated is the same, the process may be
connection, IP address setting is required. However, it is not
mentioned here.), or FCOPY.EXE (parallel port file transfer
tool). For the operating procedures of them, refer to <Refer-
ence> described later.
ROM, or the collective SFU file)
machine must be set properly.
on the controller PWB at the back of the machine and rotate the
plate part, and the DIP switch will appear.
the controller PWB:
tion. When they are set to the lower side, the diag mode and write
protect are released. (Refer to the figure below.) When writing
each ROM, set the switches to the lower side. (Default: Upper
side). Return the plate part which covers the DIP switch to the
original position, and tighten the screw again.
CN6. Normally the BOOT ROM is inserted to CN4, and the main
ROM is inserted to CN5, and CN6 is empty. When, however, the
controller PWB is used to make a ROM, CN6 is used.
performed with the hard keys of the scanner. The window display
is made by the LCD panel. The keys used in the diag mode are
assigned as follows:
be operating ROM’s. An empty ROM which cannot boot the
machine cannot be used for writing.
side (lower side).
tion type (USB or parallel) with the Up/Down select key.)
ROM), the LED flashes and the display is changed sequen-
tially as shown below. When the scanner is updated, the back-
light of the LCD is instantaneously turned off. Since it is not a
breakdown, do not turn off the power but wait for a while.
When “Result: OK” is displayed after completion of writing
(several minutes), press Up/Down key to check that there is
no “Result: NG” for each ROM. (When, however, the collective
files are updated with the machine which has no FAX installed,
“Result: NG” is displayed for FAX.) When “Result: NG” is dis-
played, refer to (D.).
has been updated.
made to an empty ROM which is not operating.
release side (lower side).
to select the connection type (USB or parallel).)
window is changed sequentially as follows. The LED finishes
flashing in a few minutes, and “Writing: OK” is displayed.
is changed sequentially as shown below. After completion of
writing (several minutes), check to confirm that “Result: OK” is
on the power and check the operation and the version. (Use
Up/Down key to check on the window of 1).)
the PCU and the scanner, the common type for BOOT and
MAIN, and the exclusive type for FAX.)
the machine is booted, data writing cannot be assured. Retry
update as follows.
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.)
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.
the scanner. If the version is displayed as “BootMode,” or if the
key operation is invalid (all the LED’s are flashing), retry updating
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.
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.
For turning off during update, refer to “E. Turning off the power
switches on the back of the machine set to the normal side, refer
to “F. Update window display in normal booting.”
properly, and retry updating.