Specifications

PERFORMANCE TESTS
SCANNER SIMULATOR
HP 4285A
To
P
SCANNER
[ C 11~~DD DD~~
DC POWER SUPPLY
TP2 GND
INTERFACE
TP1 Vee
Connector
BODO 1:1
8
00
o 10001000
o 0 DODD 0
o 0 ~ 60
0
~ 0
000010 0
0
I "" I
I L-
L..-J
L..-.-J
Figure 1-28. Scanner Simulator Connections
8. Turn the HP 4285A ON.
9. Press the CATALOG/SYSTEM MENU key.
10. Press the 'SELF TEST' softkey to display the SELF TEST page.
11. Use the CURSOR arrow keys to move the cursor to the TEST MENU field.
12. Press the 6 and ENTER keys to select the Scanner I/F I/O test.
13. Press the 'TEST START' softkey.
14. Confirm that LEOs on the scanner simulator board turn ON in accordance with
the HP 4285A settings displayed in the LCD.
15. Press the 'TEST END' softkey.
I CAUTION I
DO NOT EXECUTE ANY SELF TEST EXCEPT FOR THE ABOVE SELF TESTS OR
THE HP 4285A WILL BECOME INOPERATIVE. THE REMAINING SELF TESTS
ARE FOR SERVICE USE ONL YI
16. Set SW1 and SW2 on the scanner interface board to their original settings before
this test.
17. Replace the top shield plate, rear feet, and top cover.
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