Lexmark 4090-001 Service Manual page 16

4090-001
Paper Feed Problems
Symptom
Paper fails to stop at first print line
• Fails to pick paper
• Picks more than one sheet of
paper
• Picks paper but fails to feed
• Paper jams
• Paper fails to exit
• Noisy paper feed
Envelopes fail to feed
Paper skews
Power Problems
Symptom
No power in printer, no Power
light, no motors
Print Quality Problems
Symptom
• Voids in characters
• Light print
• Prints off the page
• Fuzzy print
• Carrier moves but does not
print
• Printhead drying prematurely
• Vertical alignment off
• Ink smearing
• Vertical streaks on paper
• Print lines crowded
2-5
Action
Go to the 'First Print Line Service
Check' on page 2-6.
Go to the 'Paper Feed Service
Check' on page 2-8.
Go to the 'Envelope Feed Service
Check' on page 2-6.
Go to the 'Paper Path Service
Check' on page 2-10.
Action
Go to the 'Power Service Check' on
page 2-11.
Action
Go to the 'Print Quality Service
Check' on page 2-12.
Go to the 'Paper Feed Service
Check' on page 2-8.