Lexmark Z31 Color Jetprinter, Service Manual

Page: 17 / 62

Diagnostic Information
2-3
4099
Symptom Tables
Locate the symptom in the following tables and take the appropriate
action.
Carrier Transport Problems
Maintenance Station Problems
Operator Panel Problems
Symptom Action
• No carrier movement
• Slow carrier movement
• Carrier stops
• Carrier slams side frame Go to the “Carrier Transport
Service Check” on page 2-5 .
Symptom Action
Maintenance station:
• Fails to cap the printheads
• Fails to clean the printheads
Go to the “Maintenance Station
Service Check” on page 2-7 .
Symptom Action
• Paper feed or power buttons do
not operate
• Power or paper feed lights do
not come on
Unplug the printer and disconnect
the operator panel connector (J3)
from the system board. Plug in the
printer and check for approximately
+ 5 V dc between pins:
J3-2 and Ground
J3-3 and Ground
J3-4 and Ground
J3-6 and Ground
If voltage is incorrect, replace the
system board. If voltage is correct
replace the operator panel.