Lexmark CX310 Service Manual page 179

Action
Step 3
a
Make sure the sequence of the input option trays is correct. The 650
option tray should be in tray 2, and the 550 option tray should be in
tray 3.
b
Bring the printer into the Diagnostics Menu.
c
Navigate to Feed Test > Tray # > Single Feed Test.
d
Run a continuous feed test (feed at least 5 pages).
Does the feed test run successfully on each option?
Step 4
Isolate the problem. Verify the problem by installing only one input option
to the printer at a time.
a
Bring the printer into the Diagnostics Menu.
b
Navigate to Feed Test > Tray # > Single Feed Test.
Does the feed test run successfully on each option?
Step 5
Check the following for any damage:
For 550 input option:
•
Input tray
•
Paper restrains
•
Paper dams
•
Pick pads
For 650 input option:
•
Input tray
•
Paper restrains
•
Paper dams
•
Pick pads
•
MPF gear
•
MPF pick assembly
•
MPF tray
Is the input option tray assembly free of damage?
Step 6
Check the pick tires for wear, damage, contamination, and if they are
installed correctly.
Is the pick tire free of wear and damaged?
Yes
Go to step 8.
Go to step 8.
Go to step 6.
Go to step 7.
Diagnostic information
179
7527
No
Go to step 4.
Go to step 5.
•
For 550 input
option, replace the
optional 550-sheet
drawer.
•
For 650 input
option, replace the
optional 650-sheet
duo drawer.
Replace the pick tire
assembly. See "Pick
tire removal" on
page 343.