Lexmark CX310 Service Manual page 174

Action
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?
Step 7
Check the input option drawer and the following for any damage or
contamination:
•
Top and bottom autoconnector
• Pass‑through sensors
• Feed rollers
• Input option pick assembly (if it can go down every time the paper
input tray is inserted)
Is the option drawer assembly free of damage or contamination?
Yes
Go to step 8.
Go to step 6.
Go to step 7.
Go to step 8.
Diagnostic information
174
7527
No
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.
• For 550 input
option, replace the
optional 550-sheet
drawer.
•
For 650 input
option, replace the
optional 650-sheet
duo drawer.