Optional Duplex Unit Symptom Table - Lexmark C720 Service Manual

5024-001

Optional Duplex Unit Symptom Table

Symptom
Printer does not clear or reset
Operator Messages or controls
for Duplex Unit
Paper Feed problems for Duplex
Unit
Paper Jam error code 231, 230
No power
Duplex Unit fails to move paper
through, into or out of the Duplex
Unit.
Activates something during POR.
Paper fails to enter Duplex Unit
from Fuser
Duplex Fan does not come on
Paper fails to re-enter printer
Action
Go to "Operator Messages" on
page 2-9 and follow action to be
taken.
Go to "Duplex Paper Feed Service
Check" on page
Go to "Operator Messages" on
page 2-9 and follow action to be
taken.
Go to "Options No Power Service
Check" on page
Go to "981—Duplex Motor (DPM1,
DPM2) Service Check" on
page 2-56.
Go to "982—Duplex Upper
Solenoid (DSOL-U) Service
Check" on page
Go to "Duplex Paper Feed Service
Check" on page
Go to "983— Duplex Fan (D-FAN)
Service Check" on page
Go to "984—Duplex Lower
Solenoid (DSOL-L) Service
Check" on page
Go to "Duplex Paper Feed Service
Check" on page
Diagnostic Information
2-81.
2-72.
2-58.
2-81.
2-59.
2-60.
2-81.
2-37