Lexmark M5150 Service Manual page 177

Action
Step 10
a
Make sure the following components are properly installed:
•
sensor (right tamper motor HP)
•
sensor (left tamper motor HP)
•
tamper motor (right)
•
tamper motor (left)
b
Check the tamper assembly components:
• Check if the tampers can be adjusted. Move the right and left
tampers to the middle, and then back to its original position.
• Check the tamper assembly mechanism and home position sensor
flags for damage.
Are the tamper assembly components functional and free of damage?
Step 11
Check the tamper drive belt.
Is it free of damage?
Step 12
Check the drive gear assembly mechanism:
•
Remove the finisher option from the printer. From the bottom of the
option, turn the lowermost drive gear clockwise. Make sure the rollers
engaged to the lowermost gear will also turn.
•
Check the drive gear assembly for damage.
Is the drive gear assembly functional and free of damage?
Step 13
Check the main motor connections. Reseat the motor cable J3 on the
controller PCBA.
Does the error remain?
Step 14
Remove the three screws securing the main motor.
Note: No need to disconnect the motor cable. Just pull away the motor
to see its pinion gear.
POR the machine and check if the main motor runs.
Does the main motor run?
Step 15
Do a feed test. Enter Diagnostics Menu and navigate to:
FINISHER TESTS > Feed test
Does the main motor run?
Yes
Go to step 11.
Go to step 12.
Go to step 13.
Go to step 14.
Go to step 16.
Go to step 16.
Diagnostic information
177
4063
No
Replace the tamper
assembly. See "Tamper
assembly removal" on
page 654.
Replace the tamper
drive belt. See "Tamper
drive belt removal" on
page 657.
Replace the stapler
drive gear assembly.
See "Stapler drive gear
assembly removal" on
page 668.
The problem is solved.
Go to step 15.
Replace the stapler
main motor. See
"Stapler main motor
removal" on page
664