Main Motor Service Check; Media Feed Clutch Service Check - Lexmark X46x series Service Manual

7014-xxx

Main motor service check

FRU
Main motor gear drive
Main motor cable
LVPS/HVPS
Engine board
Warning: Do not
replace the engine
board and controller
board at the same
time. Each board
contains the printer
settings. When either
of these boards is new,
it obtains the settings
from the other board.
Settings are lost when
both are new and
replaced at the same
time.

Media feed clutch service check

Step Action and questions
1 Clear the paper path of all sheets of
paper. Turn on the printer. Open the front
door of the printer.
Is the paper overlapping with no space
between the trailing edge of the first
sheet and leading edge of the second?
2 Check the paper path sensors for any dirt,
dust or paper that might be obstructing
the sensors.
Does this solve the problem?
3 Replace the media feed clutch. See
"Media feed clutch removal" on
page 4-50.
Does this solve the problem?
2-40
Service Manual
Action
Turn off the printer, and unplug the main motor cable at J17 on the engine board. Turn on
the printer, and check for the following voltages at J17:
Verify ground at pin 5 for both the card and cable.
• If these voltages are correct, then check the main motor cable for continuity.
- Remove the left side cover to access the connector on the motor.
- If continuity exists on each wire, then replace the main motor gear drive which
includes the motor.
- If continuity does not exist on one or more of the wires, then call the next level of
support.
• If these voltages are not correct, then see
board connector pin values" on page
board removal" on page
J17 pins Voltages
Pins 1-4, 6 Approx. 5 V dc
Pins 7-9 18 V dc-24 V dc
"Lexmark X46x controller and engine
2-6, or replace the engine board. See
2-15.
Yes
Go to step 3.
Problem resolved
Problem resolved
"Engine
No
Go to step 2.
Go to step 3.
Contact your next level of
support.