Sharp AR-280 Service Manual page 137

67 - 3
Purpose Adjustment
Function Used to adjust the printer parallel I/F ACk signal width.
(Purpose)
Section Printer
Item Operation
Operation/ 1. Enter the ACK signal width of parallel I/F with the 10-
Procedure key.
*
Set range: 0 ~ 255 (*50ns)
Default: 90 (AR-250/280/281/285/286/287/
335/336/337)
Default: 10 (AR-405/407/501/505/507)
2. When the [OK] key is pressed, the value set in procedure 1) is set.
(AR-250/280/281/285/286/287/335/336/337)
(AR-405/407/501/505/507)
(AR-501/505/507)
67 - 11
Purpose Adjustment
Function Used to set YES/NO of the printer parallel I/F SELECT
(Purpose) IN signal.
Section Printer
Item Operation
Operation/ 1. Set ON/OFF of the SELECT IN signal ON/OFF of
Procedure parallel I/F with the 10-key.
*
Set range: 0 – 1 (0: ON, 1: OFF)
Default: 0 (AR-250/280/281/285/286/287/335/336/337
/501/505/507)
Default: 1 (AR-405/407)
2. When the [ON] key is pressed, the set value set in procedure 1) is
set.
Interface/Communication
Interface/Communication
7 – 56
(AR-250/280/281/285/286/287/335/336/337/501/505/507)
(AR-405/407)
67 - 12
Purpose Data transfer/Copy
Function Used to write data into the printer flash memory.
(Purpose)
Section Printer
Item Picture quality
Operation/ 1. With the power OFF, change the printer PWB
Procedure jumper connection to allow writing into the flash
memory.
2. Enter SIM 67-12 mode, and wait until "--------" display is changed
to "READY."
3. Send data from PC.
1) The display of the item to be rewritten is changed in the se-
quence of "RECEIVE," "SUM," "ERASE," "BLANK," and
"WRITE" and rewriting is performed.
2) The result of rewriting is displayed with "OK" or "NG."
(Note) In case of an error, "ERROR!!! Exit sub Menu" is
displayed.
In that case, press the interrupt key to exit from SIM
67-12 mode. If the machine still waits for date from
PC, stop data sending.
4. Change the jumper connection of the printer PWB again to disable
writing to the flash memory.
7/13/2000