Lexmark X203N - Symptom Tables; POST Symptom Table; MFP Symptom Table

2-2 Service Manual
7011-2xx
Symptom tables
POST symptom table
These symptoms may appear during the POST (Power-on Self Test). See “Power–On Reset (POR) sequence”
on page 2-1 for the sequence when the MFP is turned on.
POST symptom table
MFP symptom table
Symptom Action
The main motor, cooling fan, and
fuser do not come on.
See “Controller card service check” on page 2-25.
POST completes except lights do
not come on.
See “Operator panel service check” on page 2-31.
POST complete except display
does not function.
See “Operator panel service check” on page 2-31.
Main motor does not come on. See “Main motor service check” on page 2-29.
Black boxes appear on the
display, and the MFP fails to
function
Turn off the MFP, wait ten seconds, and restart the MFP.
Fan does not come on. See “Cooling fan service check” on page 2-24.
Fuser lamp does not come on. See “Cold fuser service check” on page 2-24.
Fuser lamp never turns off. See “Hot fuser service check” on page 2-28.
The paper feed picks and tries to
feed paper.
See “Paper feed service checks” on page 2-33.
CIS Lamp fails to initialize. See “Flatbed service check” on page 2-24.
Symptom Action
Front access cover will not close See “Cover interlock switch service check” on page 2-26.
Fuser parts melted See “Hot fuser service check” on page 2-28.
Toner not fused to the paper See “Poor fusing of image” on page 2-36.
Blank page See “Blank page” on page 2-35.
Black page See “Black page” on page 2-35.
Heavy background See “Heavy background” on page 2-36.
Light print See “Light print” on page 2-37.
White or black lines or bands See “White or black lines or bands” on page 2-37.
Toner on back of page See “Toner on back of page” on page 2-37.
Paper jams See “Paper feed service checks” on page 2-33.