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4.2 DIAGNOSING COMPUTER INTERFACE PROBLEMS
Figure 4-2 shows a flow diagram that checks the interface to the computer. For additional
information, see:
•
Cabling—
•
Theory—
•
Replacements—
4-4 980264-001 Rev.B
CHAPTER 4
Diagnosing Interface
Connect Printer to PC,
Prepare Printer with
Ribbon and Cards, and
Turn Powe r On
No
Yes
Printer
Responds?
Issue Commands
Using Either:
• WindCard
• Windows Driver
• Test Software
Repair/Replace:
• I/O Cable
•CPUBd.Cable
•CPUBd.
Interface
Is OK
Figure 4-2. Interface Diagnostic Flow.