Lower Feed Unit Paper Feed Service Check - Lexmark C720 Service Manual

5024-001

Lower Feed Unit Paper Feed Service Check

FRU
1 Remove Options
2 Check for Recommended
Paper
3 Lower Feed Paper Feed
Cassette
4 • Lower Feed Clutch
(PKCL)
• IOD1 P.W.B. Board
5 Drive Gear Assembly
6 • Paper Feed Roller
• Separation Pad
Action
Ensure the printer works correctly,
without the lower feed unit and
duplex unit installed. Disconnect or
remove.
Ensure the lower feed unit cassette
is using a recommended paper.
Ensure the paper does not contain
excessive humidity.
Ensure the paper cassette (Tray2) is
not damaged and the paper stop is
set to the proper position.
Replace any damaged parts.
Ensure the paper feed clutch (PKCL)
activates and turn the paper feed
roller
If the paper feed clutch fails to
activate, ensure it is connected
properly and the lower feed unit is
properly installed.
Replace the paper feed clutch if it
still fails to activate.
If the problem still exists, ensure
connector DCN8, on the IOD1
P.W.B. board, is connected.
Replace the IOD1 P.W.B. board, if
necessary.
Check the drive gear assembly for
damage and replace, if necessary.
Inspect the paper feed roller and the
separation pad for wear or damage
and replace, if necessary.
Diagnostic Information
2-79