Printronix P4280 - Dynamic RAM Fault *

3–4 Troubleshooting
Dynamic RAM Fault *
Instruction Indication Yes No
1. Set power switch to O (off).
Wait 15 seconds. Set power
switch to 1 (on).
“Dynamic RAM Fault * ”
message.
Step 2. Return printer to
normal operation.
2. Disconnect the input data line
from the host computer. Set
power switch to O (off). Wait
15 seconds. Set power
switch to 1 (on).
“Dynamic RAM Fault * ”
message.
Step 3. Return printer to
normal operation.
3. Make a Diagnostic Check of
the Microprocessors (page
3–21).
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