Sharp AM-900 Service Manual page 31

3.7.4 COM test mode
You can check the communication between the main CPU and the
printer controller on this mode. Concretely, input the command number
from the main CPU and can read the response from the printer control-
ler.
1. Operation
4: COM TEST
[ENTER]Key
SR =
[>]Key
EC =
[>]Key
EEC , =
[>]Key
ESR =
[>]Key
(a) cursor position
1. Press the [ENTER] key to enter the mode.
2. Select the mode "SR", "EC", "EEC", or "ESR" using the "<" or the
">" key. The ">" key can be used to select the mode only when a
cursor is in the position of (a).
3. Enter the value using the numeric keys.
"SR", "EC", "ESR"
• Range MIN: 00, MAX: 31
"EEC"
• Range MIN: 00, MAX: 63
4. Press the [STOP] key to exit this mode.
4. How to make soft switch setting
To enter the soft switch mode, press the following key entries in sequence.
ex)[1],[2]Ke y
SR12 =01
ex)[1],[2]Ke y
EC12 =10
ex)[1],[2],[3],[4]Key
EEC12,34 = 80 13
ex)[1],[2]Ke y
ESR12 =15
Press MENU 9 8
DATA No. 1 2 3 4 5 6 7 8
SW01 = 0 0 0 0 0 0 0 0
SW01 = 1 0 0 0 0 0 0 0
SW01 = 1 0 0 0 0 0 0 0
SW01 = 1 0 0 0 0 0 0 0
SW01 = 1 0 0 0 0 0 0 0
SW02 = 0 0 0 0 0 0 0 0
SW99 = 0 0 0 0 0 0 0 0
The soft switch mode is terminated.
3.7.5 Print size
This function is prepared for the function in the future. Now there is no
meaning.
1. Operation
PRINT SIZE
Press [ENTER]Key
SIZE=215. 9x279. 4
Enter paper size on bypass tray with numeric key and press the [ENTER] key.
7 START ENTER
Press MENU key.
Press key.
Press key.
Bit1 - 8 are set.
Press ENTER key during setting.
Soft SW01 - SW99 are set.
To finish the settings halfway between
SW01 and SW99, press the STOP
key. In this case, the setting being done
to the SW No. on display will be nullified
while settings done to the preceding
SW No. remain in effect.
When the QUALITY key is pressed, the
contents of soft switches are printed.
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AM-900U