Specifications

4–20 Troubleshooting
Printer Confidence Check
Instruction Indication Yes No
1. Check that printer is plugged
into correct power source.
(Refer to
User’s Manual. )
Power cable installed correctly
to proper source.
Go to step 2. Connect printer to
correct power
source.
2. Disconnect the interface
(data) cable from the host
computer to isolate the
printer, then run a diagnostic
self–test (page 4–27.)
Printer operates correctly. Fault is not in the
printer. Check
host computer,
applications
software, cabling,
etc.
Go to step 3
3. Connect the interface (data)
cable to host and printer.
—
Go to step 4.
—
4. Make a configuration printout.
(Refer to
User’s Manual. )
Make sure that:
a) Configuration is correct for
the user’s application.
b) Host computer and printer
are using the same protocol
(emulation).
c) Configuration has not been
inadvertently changed by the
user.
Go to step 5. Reconfigure the
printer. (Refer to
Setup Guide. )
5. Check alignments and
adjustments. (Chapter 5.)
Assemblies and components
adjusted in accordance with
Chapter 5.
Go to step 6. Adjust all
assemblies that
are out of spec.
6. Check all electrical
connectors.
Connections are clean and tight,
wires are not stripped, frayed, or
out of connectors.
Go to step 7. Replace stripped,
frayed, or broken
wires.
7. Check that all circuit boards
are seated correctly in the
card cage.
Boards are seated in card cage. Go to step 8. Reseat all boards.
8. Inspect for debris that could
cause short circuits (loose
fasteners, foil, etc.).
Metallic debris. Remove debris.
Clean printer
(page 3–2).
Go to step 9.
9. Set power switch to on.
Printer powers up and initializes
correctly.
Return printer to
normal operation.
Troubleshoot the
fault message
(page 4–3).