Transport Motor Failure; Pc Cartridge Unit Motor Failure - Lexmark X850e Service Manual

7500-XXX

911.00 Transport motor failure

Step
1 Check the dual drive motor assembly for operation.
Open the rear motor cover and check it.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Test.
4. Touch Transport motor.
Does the motor rotate normally?
2 Check the dual drive motor assembly for proper installation.
Remove the rear motor cover and check it.
Is the dual drive motor assembly installed properly?
3 Check the rotation of the rotor in the dual drive motor
assembly.
Open the rear motor cover and check it.
Can the rotor be rotated by hand without excessive load?
4 Check the dual drive motor assembly connection.
Is the dual drive motor assembly properly connected?
5 Perform a print test.
Does the error continue?

912.00 PC cartridge unit motor failure

Step
1 Check the PC cartridge for proper installation.
Is the PC cartridge installed properly?
2 Check the dual drive motor assembly for operation.
Open the rear motor cover and check it.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Test.
4. Touch Drum unit motor.
Does the motor rotate normally.
2-154
MFP Service Manual
Check
Check
Yes
Go to step 3 Go to step 2.
Go to step 3. Install the dual
drive motor
assembly properly.
Go to step 4. Install the dual
drive motor
assembly properly.
Replace the dual Replace the
drive motor connection.
assembly.
Go to "Dual drive
motor assembly
removal" on
page 4-113.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-117.
Yes
Go to step 2. Install the PC
cartridge properly.
Go to step 4 Go to step 3.
No
No