Lexmark E238 Service Manual page 78

4511-xxx
NVRAM failure
Error codes 950–954 indicate a problem in the NVRAM (nonvolatile random
access memory). Replace the operator panel assembly. Codes 955–959
indicate a failed controller card assembly. Replace the controller card.
Service tertiary error codes—NVRAM failure
Service
secondary
codes—
95x
Lights
Continue
Ready
Toner Low/
Replace PC
Kit
Load Paper
Paper Jam
Error
Note: NVRAM is on the operator panel printed circuit board while secure
NVRAM is on the controller card. Check margin alignments after
replacing the operator panel assembly. See
check" on page 2-111
unacceptable, corrections can only be made through software.
Contact the next level of support.
2-46
Service Manual
Service teriary codes—NVRAM failure
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for more information. If margin errors are
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"Printhead service
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