Lexmark 4200 Series - Manual (Page 22)

2-6 Service Manual
4413-XXX
Power problems
Print quality problems
Service checks
Carrier transport service check
Symptom Action
No power in machine, motors do
not operate Go to the “Power service check”
on page 2-14 .
Symptom Action
• Voids in characters
• Light print
• Prints off the page
• Fuzzy print
• Carrier moves but no print
• Printhead dries prematurely
• Colors print incorrectly
• Vertical alignment off Go to the “Print quality service
check” on page 2-15 .
• Ink smearing
• Vertical streaks on paper
• Print lines crowded Go to the “Paper feed service
check” on page 2-11 .
FRU Action
1 System Board
Carrier Transport
Motor
Check the carrier transport motor connector CN3.
If connected, check for approximately 30 volts on
pins 1 and 3 or at the wire connections located on
the rear of the carrier transport motor. If voltage is
incorrect, replace the system board. If voltage is
correct, check the motor for shorts. If a short is
found, replace the motor. Go to
“Carrier transport
motor removal” on page 4-24 .