Lexmark 13P0150 - C 750dtn Color Laser Printer Service Manual page 113

Step Action and Questions
3
Check Tray 1 for any signs of damage to the Pick Arm Lift
Bellcrank activation tabs on the rear of the tray.
Is there any damage to the tray?
4
Check for any loose or broken parts on the
autocompensator assembly.
Are any loose or broken parts found?
5
Check the following parts for any signs of damaged or
broken parts.
* Pick Arm Lift Bellcrank
* Pick Arm Bellcrank Lift Spring
Are there any damaged or broken parts?
Step D
Step Action and Questions
1
Enter the diagnostic mode and select the Tray 1 Sensor
Test from the Input Tray Tests menu. You can activate the
Paper Level Sensor inside the printer. The Paper Level
Sensor is a dual sensor and checks the following levels for
Tray 1.
Does the Sensor Test pass?
Note: The Tray 1 Level Sensor is a Dual Sensor assembly
that senses when Tray 1 is empty, nearly empty or partially
empty.
2
Paper Level Sensing Assembly - Check to make sure the
assembly is not loose or damaged. Check to make sure the
arm is not broken.
Are any parts loose or broken?
3
Check the Paper Level Sensing Cable for correct installation
at J69 on the Engine Board and to the Paper Level Sensing
Dual Sensor Assembly.
Is the cable connected correctly?
4
Check the Paper Level Sensing Assembly Flag for correct
installation and the Flag is not broken or damaged.
Is the Paper Level Sensing assembly installed correctly and
the flag not broken or damaged?
5060-XXX
Yes No
Replace Tray 1 Go to step 4
Replace the Go to step 5
Autocompen-
sator Asembly
Repair or Determine
replace parts what is
as necessary causing the
Autocompen-
sator to stay in
the down
position.
Repair as
necessary.
Yes No
Call your next Go to step 2
level support
Repair or Go to step 3
replace parts
as necessary
Go to step 4 Install the
cable correctly
Go to step 5 Install
correctly or
replace the
flag if
damaged or
broken
Diagnostic Information
2-93