Continuable Data Error Light Patterns
Possible data error light patterns are listed in the first column of
the following table. If the Error and Data lights on the Status
Panel are lit, simultaneously press the GO and RESET buttons on
the printer to display a secondary light pattern. This secondary
light pattern, or data error light pattern, will more precisely
describe the problem. Where more than one data error light
pattern is possible, corresponding computer messages are listed in
the second column.
Data Error
Light Pattern
Computer
Message
Description Recommended
Action
20 MEM
OVERFLOW
Too much data, or data
too complex.
Turn Page Protection ON
or to AUTO (can be set
within the Remote Control
Panel).
2. Add optional memory.
3. Reduce the complexity
of the print job.
Press GO to resume
printing.
21 PRINT
OVERRUN
22 IO ERROR
The computer and printer
are not communicating
because of improper
signal protocols. Indicates
a loose cable connection
or a bad or poor quality
cable.
Reseat the cable and
make sure you are using
a high-quality cable
HP LaserJet 5P Printer Service Supplement
Troubleshooting
56
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