Symptom tables
POST symptom table
Symptom
The main motor, cooling fan, and fuser do not come
on.
POST completes, but LCD does not appear to be
working.
Main motor does not come on.
Fan does not come on.
Fuser does not cycle.
Fuser does not turn on and off.
The paper feed picks and tries to feed media.
Note: Investigate any displayed codes before proceeding with these symptoms. For example, a missing toner cartridge will
prevent POST from completing.
Action
See
"Cover interlock switch service check" on page
"Operator panel service check" on page
See
See
"Main motor service check" on page
"Cooling fan service check" on page
See
"Fuser service check" on page
See
See
"Fuser service check" on page
See
"Paper feed service checks" on page
4512-630
2-18.
2-21.
2-20.
2-18.
2-19.
2-19.
2-21.
2-15
Diagnostics information