Lexmark C720 Service Manual page 160

5024-001
FRU
7 Lower Feed Rear Cover
Assembly
8 Lower Feed Paper Guides
9 • Lower Feed Transport
Roller Clutch (DP KCL)
• IOD1 P.W.B. Board
2-80
Service Manual
Action
Check the lower feed transport roller,
in the lower feed rear cover
assembly, for dirt or damage and
replace, if necessary.
Note: This is used for the optional
duplex unit.
Ensure the lower feed paper guides
are clean and not damaged and
replace, as necessary.
If the duplex unit is attached, the
lower feed transport clutch (DPKCL)
is activated to recycle paper through
the printer for duplexing.
• Ensure the lower feed transport
clutch is activated during duplex
operations.
• If the clutch does not activate,
ensure its connectors are properly
connected and replace, if
necessary.
• Ensure DCN8 on the IOD1 P.W.B.
board is connected and replace
the IOD1 P.W.B. board, if
necessary.