Printronix P9012 Maintenance Manual page 79

Multifunction line printer
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PRINTING INCORRECT DATA
Instruction
1.
Verify printer is plugged into
correct power source. (See
User's Manual .)
2.
Inspect for debris that could
cause short circuits (loose
fasteners, foil, etc.).
3.
Disconnect the interface
(data) cable from the host
computer to isolate the
printer, then run a diagnostic
self–test (page 4–14).
4.
Connect the interface (data)
cable to the host computer
and printer.
5.
Make a configuration printout.
(See User's Manual .)
6.
Turn off the power and
remove the card cage (page
6–76).
7.
Check all electrical
connectors.
8.
Check that PCBAs are
seated correctly in edge
connectors (back of card
cage).
9.
If an IGP PCBA is installed,
check its connectors. See the
IGP User's Manual for
running IGP self–tests.
10. Set power switch to 1 (on).
Troubleshooting
Indication
Power cable installed
correctly to proper
source.
Metallic debris.
Printer operates
correctly.
a) Configuration is
correct for the user's
application.
b) Host computer and
printer use the same
protocol (emulation).
c) Configuration has
not been inadvertently
changed by the user.
Connections are clean,
tight, and oriented
correctly. Wires are not
stripped, frayed, or out
of connectors.
PCBAs are firmly
seated in card cage
connectors. Ribbon
cables between boards
are properly seated.
Printer powers up and
OFFLINE READY
displays.
Yes
Step 2.
Connect printer to
correct power
source.
Remove debris.
Step 10.
Clean printer.
Fault is not in the
Step 4.
printer.
Step 5.
Step 6.
Reconfigure the
printer. (See
User's Manual .)
Step 7.
Step 8.
Replace stripped,
frayed, or broken
wires.
Step 9.
Reseat PCBAs.
Step 10.
Return printer to
Troubleshoot fault
normal operation.
message.
No
4–13

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