Symptoms - Lexmark CX310n Service Manual

Actions
Step 19
If there is an attached antenna, is the antenna damaged?
Note: The optional wireless unit does not have an external antenna.
Step 20
Replace the antenna.
Did this fix the problem?
Step 21
Verify that the antenna is properly connected to the wireless option.
Is it connected correctly?
Step 22
Properly connect the antenna.
Did this fix the problem?
Step 23
Replace the wireless card.
Did this fix the problem?
Step 24
Replace the controller board. See
page 239.
Did this fix the problem?

Symptoms

•
"Base printer symptoms" on page 112
• "Narrow media sensor service check" on page 113
•
"Toner meter cycle (TMC) card service check" on page 115
•
"Dead printer service check" on page 115
• "Front door sensor or switches service check" on page 117
• "Operator panel (display is dim and unchanging) service check" on page 121
•
"Operator panel (displays all diamonds, no beeps, or five beeps) service check" on page 124
• "Operator panel (display blank) service check" on page 126
•
"Operator panel (one or more operator panel buttons fail) service check" on page 128
•
"Operator panel USB cable service check" on page 129
• "USB service check" on page 130
•
"550‑sheet and 650‑sheet trays input option symptoms" on page 130
•
"Trays 2 and 3 (optional) service check" on page 130
• "Tray 2 service check" on page 132
"Controller board removal" on
Diagnostic information
111
Yes No
Go to step 22. Go to step 21.
Problem resolved. Go to step 22.
Problem resolved. Go to step 23.
Problem resolved. Go to step 24.
Problem resolved. Go to step 25.
Problem resolved. Contact your next level
of support.
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