Lexmark 4500-00 Series Service Manual page 112

4500
Paper picks but stops about an inch down the page
FRU
D–roll assembly
Registration roll assembly
Paper picks but stops half way through the printer
FRU
Input paper feed sensor
Engine board (E320/E322)
Controller card (E220/E321/E323)
2-82
Service Manual
Action
Check for obstructions.
Check for wear on the rubber on the
D–roll.
Inspect the registration roll to ensure
all springs, bearings and shafts are
operational.
Action
Make sure the input paper feed
sensor is working properly.
Check for a broken or stuck flag on
the input paper feed sensor.
Make sure the cable is seated on the
engine board at J2 (E320/E322) or
controller card at J11
(E220/E321/E323). See
board (E320/E322 only) " on
page 5-2 or page 5-6
information.
Check for approximately +5 V dc on
pins 2, 3, 5, and 6 (at J2 on the
engine board of E320/E322 or J11
on controller card of
E220/E321/E323).
• If correct, replace the input paper
feed sensor.
• If these voltages are not correct,
replace the engine board (E320/
E322) or controller card
(E220/E321/E323).
"Engine
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