Ram Memory Error; Network Error; Symptom Tables; Post Symptom Table - Lexmark E120 Service Manual

4506-1xx

RAM memory error

This error indicates RAM failure.
Service tertiary light patterns—RAM memory error (96x)

Network error

Indicates an error in the network circuitry.
Service tertiary light patterns—Network error (97x)

Symptom tables

POST symptom table

Symptom
The main motor, cooling fan, and fuser
do not come on.
POST completes, except one or more
lights do not come on.
None of the lights come on.
Main motor does not come on.
Fan does not come on.
The paper feed picks and tries to feed
paper.
2-22
Service Manual
Description/action
When this secondary code is received,
the following tertiary light pattern is
available.
960 RAM soldered on the board is bad
Description/action
When this secondary code is received, one of the following tertiary
light patterns is available.
975 Unrecognizable network port
976 Unrecoverable software error in
network port.
978 Bad checksum while programming
port
979 Flash parts failed while
programming port
Action
"Main motor service check" on page
See
"Operator Panel Service Check" on page
See
"Controller card service check" on page
See
"Main motor service check" on page
See
"Fan noisy or not working." on page
See
"Paper feed service checks" on page
See
• POR the printer.
• Replace the controller
card.
Replace the controller
card.
"Controller card
See
removal" on page 4-17.
2-28.
2-25.
2-24.
2-28.
2-23.
2-29.