Printer Board - Sharp AL-1640 Service Manual

AL-1670
9) Select the data for MCU to be transferred.
10) Select the data for the electronic sort board to be transferred.
∗ For the models other than the AL-1670, go to procedure 11).
11) After transfer of data, turn off the machine and disconnect the con-
nector.
Reference: If the power is turned off during the procedure or in case
of a communication error, resume the procedure from 2).

2. Printer Board

A. Cases where flash memory rewriting is required
In the following cases, the program in the printer control PWB flash
memory must be rewritten.
1) When a bug or other error is found
2) Data stored in the flash memory is destroyed or deleted.
3) When the flash memory is replaced.
B. Necessary tools
1) Computer (PC) <Operates on MS-DOS.>
2) Parallel cable
3) Program data file (xxx.BIN)
C. Procedure
1) Print the configuration list to check the firmware version.
Use the operation panel of the copier to perform the following pro-
cedure.
ONLINE <off line> → MENU <Test Printing Menu> → ITEM <Con-
figuration Page> → ENTER <The test page prints>
2) Connect the PC and the copier with the parallel cable.
3) Turn on the power
4) Execute SIM 67-14.
"Erase Flash Data?" is displayed on the LCD.
5) Press the ENTER key on the copier's operation panel.
"Now Erasing" is displayed on the LCD.
6) After deletion of data, "Please Send Data" is displayed on the LCD
and the machine enters the ready state for data input.
7) Download the program file.
(Note) Never turn off the power during download.
Set the PC to DOS mode → Check that the display shows
READY. → Then type COPY /B xxx.BIN LPT1:
and press the enter key.
( : space)
8) The machine enters the data reception mode.
While "Writing" is displayed on the LCD, data are written into the
flash ROM.
9) When data reception and data writing into the flash ROM are com-
pleted, the SUM check is automatically performed.
(Note) In case of an error, "Sum check Error" is displayed.
Turn off the power once, and repeat the procedures from 3).
10) If there is no problem on the result of the SUM check, "Complete"
is displayed on the LCD.
11) Turn off/on the power to print the configuration page with the
above procedures, and check the firmware version.
12) Perform printing on the PC side and check that printing is per-
formed normally.
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