Scanner Interface
Function Test
(Option 301 only)
Perform this test only when troublesho oting the Option 301 scanner
interface b oard.
This test veries the scanner interface function.
Equipment:
Scanner Simulator HP PN 04278-65301
DC Power Supply HP 6414C
Test Leads
Procedure:
1. Perform steps 1 through 5 describ ed \Pro cedure:".
2. Disconnect the at cable from the scanner interface b oard. The
scanner interface board has black and yellow extractors and its
lo cation is shown in Figure 10-12.
3. Remove the scanner interface b oard.
Caution
The interface board contains electronic comp onents that can be
damaged by static electricity through electrostatic disc
harge(ESD).
To prevent ESD damage,maintain frequent contact with any bare
sheet metal surface on the chassis. A grounding wrist strap (or
similar device) is useful for this purpose. Handle the b oard carefully
at all times. Avoid touching electronic comp onents or circuit paths.
4. Set SW1 and SW2 on the scanner in
terface b oard to the same
settings as when the b oard is shipp ed from the factory referring
to Figure 10-19.
Note
Before p erforming step 4, note the switch settings in order to return
to the same settings at the end of this function test.
Performance Tests 10-33
To Next Page
