Lexmark X6150 4408-AK2, Service Manual

Page: 29 / 69

Diagnostic information
2-13
4408-XXX
Power service check
FRU Action
1 External Power
Supply Plug the external power supply into an outlet.
Check for + 30 V dc. If voltage is incorrect, replace
the power supply.
2 Printhead Cable
Paper Feed Motor
Carrier Transport
Motor
Control Panel Unplug the printer. Check all connections and plug
in the printer. Look for a symptom change. Check
the failing part for shorts and replace as
necessary.
3 System Board If the symptom has not changed, replace the
system board. Go to the
“System board
removal” on page 4-15 .