983- Duplex Fan (D-Fan) Service Check - Lexmark C720 Service Manual

Color laser printer

Hide thumbs Also See for C720:

Table of Contents

983— Duplex Fan (D-FAN) Service Check

Check Connector

• Duplex Fan (D-FAN)

• DUP P.W.B. Board

• Duplex Relay P.W.B.

Duplex Fan (D-FAN)

Ensure connector CN4 is properly

connected between the D-FAN and the

duplex relay P.W.B. board.

Ensure connector duplex CN1 is properly

connected to DPCN3 on the duplex DUP

P.W.B. board.

If the problem still exists, replace the D-

FAN motor, if necessary. Then replace the

duplex DUP P.W.B. board and the duplex

relay P.W.B. board until the problem is

Diagnostic Information