Printhead Assembly Failure; Toner Add Motor Assembly Failure - Lexmark X850e Service Manual

Step
3 Check the dual drive motor assembly for proper installation.
Open the rear motor cover and check it.
Is the dual drive motor assembly installed properly?
4 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?
5 Check the dual drive motor assembly connection.
Is the dual drive motor assembly properly connected?
6 Perform a print test.
Does the error continue?

913.00 Printhead assembly failure

Step
1 Check the printhead assembly for proper installation.
Is the printhead assembly installed properly?
2 Check the printhead assembly connection.
Is the printhead assembly properly connected?
3 Perform a print test.
Does the error continue?

914.00 Toner add motor assembly failure

Step
1 Check the toner cartridge for proper installation.
Remove the toner cartridge and reinstall it.
Does it operate properly?
Check
Check
Check
Yes
Go to step 4. Install the dual
drive motor
assembly properly.
Go to step 5. Install the dual
drive motor
assembly properly.
Replace the dual Replace the
drive motor connection.
assembly.
"Dual drive
Go to
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
printhead
assembly properly.
Replace the Replace the
printhead. connection.
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-117.
Yes
Problem solved. Go to step 2.
Diagnostic information
7500-XXX
No
No
No
2-155