Serial I/O Diagnostics - Sharp UP-5900 Service Manual

3) UP-T80BP TEST
1 Display
Print Check
Count ? = 01 (00-99)
Pass Count = XX
Hit ESC Key to Stop
On the above screen the setting appears in the box.
The Count can be set from "01" up to "99". If "00" is set, printing
does not stop until the ESC key is pressed.
2 Testing
The following patterns are printed and the paper cut command is
sent by the specified number of times to the Serial output of I/O
address 980H to 987H.
Y O U R R E C E I P T
T H A N K Y O U
3 Error message
The following error message appears if a communication error
occurs with the UP-T80BP.
Print Check
UP-T80BP I/F ERROR
**********
Hit ESC Key to Stop
4 End of testing
The testing is finished after printing is made by the specified number
of times or by pressing the ESC key.
**********
UP-5900VS DIAGNOSTICS SPECIFICATIONS

3-10. SERIAL I/O DIAGNOSTICS

The serial interface of UP-5900 is performed. To test the 9pin D-Sub
port, connect the D-Sub loop back connector (UKOG-6705RCZZ).
To test the RJ45 port, connect the loop back connector (UKOG-
6729BHZZ).
Loop back connector (UKOG-6705RCZZ) wiring diagram
Loop back connector (UKOG-6729BHZZ) wiring diagram
The UP-5900's 9-pin D-sub ports are used as COM1 and 2. The UP-
5900 also provides a RJ45 port is used as COM3.
The following menu is displayed.
The highlighted cursor is moved by the cursor keys (UP 2 and DOWN 4 )
of the PS2 keyboard. Move the cursor to the desired item, and press the
Enter key to execute the selected diagnostics program.
When the selected diagnostics program is completed, the display
returns to the menu screen. Pressing the Esc key returns to the service
diagnostics menu.
Serial I/O Diagnostics
COM1 Check
COM2 Check
COM3 Check
4 – 6
CD 1pin
RD 2pin
TD 3pin
DTR 4pin
GND 5pin
DSR 6pin
RTS 7pin
CTS 8pin
RI 9pin
RTS 1pin
DTR 2pin
TD 3pin
GND 4pin
GND 5pin
RD 6pin
DSR 7pin
CTS 8pin