Lexmark C734dn Service Manual

2-112 Service Manual
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3
Measure the resistance across fuses F12 (A)
and F13 (B)on the system board.
Is either fuse blown?
Replace the system board.
See “System board
removal” on page 4-153.
Go to step 4.
4
Check the transport motor cable for pinch
points and any other damage to the cable or
connector.
Is the cable damaged?
Replace the transport
motor cable. See
“Transport cable
removal” on page 4-170.
Go to step 5.
5
Visually inspect the motor driver card.
Is the motor driver card damaged?
Replace the motor driver
card. See “Motor driver
card removal” on
page 4-114.
Go to step 6.
6
Replace the EP drive assembly. See
“Electrophotographic (EP) drive assembly
removal” on page 4-82.
Problem resolved. Replace the system board.
See “System board
removal” on page 4-153.
Step Questions / actions Yes No

Lexmark C734dn Specifications

General

Brand	Lexmark
Model	C734dn
Category	Printer
Language	English