Fuser Drive Assembly Noise Check; Excessive Fuser Drive Motor Assembly Noise - Lexmark C752 Service Manual

HCIT 2000-sheet option does not recognize the size paper selected.
Step Action and questions
1 Make sure the media loaded in the tray meets
specifications.
Is the media loaded properly and meet specifications?
2
Check the paper tray guide for correct installation.
Is the paper tray guide installed correctly for the
selected paper size?
3 Check for correct installation of the paper size sensor
cable to the HCIT system board at CN7.
Is the cable installed correctly?
4 Check for a broken, loose, or missing paper size
sensor flag spring.
Is a sensor flag spring broken, loose, or missing?
5 Check the paper size sensor flag for sticking or broken
parts.
Is the paper size sensor flag sticking or broken?
6 Check continuity of the sensor cable.
Do you measure continuity?

Fuser drive assembly noise check

Excessive fuser drive motor assembly noise

Step Action and questions
1 Excessive noise from the fuser drive motor assembly -
Check for correct installation of the fuser drive
assembly.
Is the fuser drive installed correctly?
2 Install a new
Is there still excessive noise from the fuser drive motor
assembly?
"Fuser assembly" on page
Yes
Go to step 2
Go to step 3
Go to step 4
Reconnect the
spring if it is
loose. Replace
the spring if
broken or
missing.
Replace the
paper size flag
Replace the
sensor. If this
does not fix the
problem, replace
the HCIT system
board.
Yes
Go to step 2
4-32. Replace the
"Fuser drive
assembly" on
page 4-33
5060-2XX
No
Load the media
properly or inform
the customer that
the media does
not meet
specifications
Reinstall the
guide if installed
incorrectly
Install the cable
correctly.
Go to step 5
Go to step 6
Replace the
sensor cable
No
Correctly install
the "Fuser drive
assembly" on
page 4-33
Problem
resolved.
2-121
Diagnostic information