Sharp UP-5700, Руководство по обслуживанию

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2) Touch Key Pad Test
Check content
The driver function call is used.
is displayed at the four corners of the LCD sequentially.
(In the sequence of upper right, upper left, lower left, lower right.)
When is touched by the operator, it turns to .
Display
Terminating method
Touch all the four or press Esc key to terminate.
3) Linearity test
Check content
Red lines are displayed at the both sides of the blue line at the
center. The operator must touch the blue line without touching the
red lines.
The touched part of the blue line is changed to white.
If the red line is touched, an error message is issued.
Display
Terminating method
Press Esc key to terminate,
3-7. Clerk Key Diagnostics
The clerk key input test is performed.
Pressing Esc key returns to the serviceman diagnostics menu.
1) Clerk Key Check
Check content
Key code inserted to the clerk key switch is displayed in decimal.
Display
The clerk code is displayed at XX.
Terminating method.
Press Esc key to terminate.
3-8. Printer Diagnostics
Parallel interface (standard) and ER-A8RS parallel interface (option)
are tested.
Here, parallel interface on the main body is mentioned as PARAL-
LEL1, and parallel interface on ER-A8RS as PARALLEL 2/3.
The following menu is displayed.
The highlighted cursor is moved by the cursor keys (UP
­
and DOWN
¯
) of the AT keyboard. Move the cursor to the desired item, and press
Enter key to execute the selected diagnostics program.
When the selected diagnostics program is completed, the display
returns to the menu screen. Pressing Esc key returns to the service-
man diagnostics menu.
1) PARALLEL1 Loop Check
Check content
Loop check is made for the standard I/O address 378H
~
37FH.
(PARALLEL1)
In the loop check, a normally-operating ER-A8RS is inserted and
the loop cable (UKOG-6717RCZZ) of the following wiring diagram
is connected with PARALLEL1 and PARALLEL3 (ER-A8RS) for
testing. Set the jumper on the PWB during test as follows:
Touch Key Pad Test
Touch Cursor !!
Test
Complete!
(Error!!)
About 2cm
About 1cm
Displayed after termination.
Red line
Blue line
Red line
Linearity
Clerk Key Check
Clerk Key Code : xx
Printer Diagnostics
PARALLEL 1 Loop Check
PARALLEL 1 Print Check
PARALLEL2 Print Check
PARALLEL3 Print Check
PARALLEL2 Loop Check
PARALLEL3 Loop Check
Standard Option(ER-A8RS)
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