Lexmark C752 Service Manual page 108

5060-2XX
Step Action and questions
9 Check the autocompensator cable for correct
installation to Tray x system board.
Is the cable connected correctly?
HCIT
Use the "HCIT standalone test mode" on page 3-36
Standalone Feeding Operation Test to observe paper feeding from the tray and through the feed assembly. Use
the "HCIT system board LED error code table" on page 2-118
problems.
Before proceeding with this service check, make sure the HCIT is installed correctly.
Step Action and questions
1 Check for pieces of paper or other obstructions in the
feed assembly.
Are any pieces of paper or obstructions in the feed
assembly?
2 Make sure the media loaded in the paper tray meets
printer supplies specifications and the media is loaded
correctly. Make sure the side and back restraints are
located and seated properly.
Does the media meet specifications?
3
Use the Standalone Feeding Operation Test to observe
paper feeding from the tray.
Does the paper feed from the paper tray?
4 Using the Standalone Feeding Operation Test, observe
the registration motor (the registration motor is the
motor at the top of the feed assembly).
Does the motor turn?
5 Does the pick motor, the lower motor in the feed unit
assembly, turn?
6 Check the registration motor cable to HCIT system
board cable connected to CN3 for correct installation.
Is the cable connected correctly?
2-74
Service Manual
Yes
Replace the
option or replace
the following
parts in the order
until the error is
cleared:
• "Autocom-
pensator
pick assem-
bly" on
page 4-19
• Tray x system
board.
inside the HCIT to help isolate paper jams. Run the
to further isolate paper jam or sensor
Yes
Remove any
paper or
obstructions
Go to step 3
Go to step 14
Go to step 5
Go to step 8
Replace the
following FRUs in
the order shown:
1. HCIT system
board
2. Feed unit
assembly
No
Install the cable
correctly
No
Go to step 2
Inform the
customer that
media in the
paper tray does
not meet
specifications
Go to step 4
Go to step 6
Go to step 7
Install the cable
correctly