Panasonic JS-170FR Series Service Manual page 105

(2) Confirm the display below, which will be presented in the meantime.
***** VRAM TEST *****
VRAM Size
Read/Write test
Address Line test
Test done. Press any key.
(3) Press any key to recover the #6 Test Menu.
(4) Press "0 - ENTER" key to recover the Main Menu.
7) Parallel Port test
(1) Connect a printer (TM-300 or TM-T80) to the printer port.
(The lock screw of the printer connector shall be tightened normally.)
(2) Display a diagnostic menu by the method of 10 described previously.
(3) Enter "7-ENTER" through the keyboard.
Select and press ENTER key : 0_
(4) Enter "1-ENTER" through the keyboard.
Paraller Port Test (I/O Address=0378H)
Test done. Press any key.
LCD DISPLAY
***** TEST # 6 Video Test. ****
: 4 MB
: 003FFFFFH
: 21 bit OK
LCD DISPLAY
***** TEST # 7 Paraller Port Test. ****
0 : Return to MAIN MANU.
1 : Display Test.
2 : Printer Auto-Cut Test.
LCD DISPLAY
***** TEST # 7 Paraller port Test. ****
3-21
EXIT
0
1
2
ENTER
EXIT