Action Yes No
Step 9
Check the engine controller board pins for damage, and replace if
necessary. See
“Engine controller board removal” on page 353.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
13y errors
13y error messages
Error code Description Action
133.01 The toner density is above normal. See
“Toner density failure service check” on
page 153.
133.03 The sensor (toner density) malfunctioned.
133.04 The sensor (toner density) did not perform the correct
adjustments.
136.06 The motor (developer) did not run at the correct
timing.
See
“Motor (developer) failure service check” on
page 155.
Toner density failure service check
Action Yes No
Step 1
Enter the Diagnostics menu, and then navigate to:
PRINTER SETUP > Reset Engine Service Error
Does the problem remain?
Go to step 2. The problem is solved.
Step 2
Enter the Diagnostics menu, and then navigate to:
Reset Image Stabilization > Restore factory toner density
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Enter the Configuration menu, and then navigate to:
Automatic Image Stabilization > Auto Align Adj
Make sure that the value is set to On.
Does the problem remain?
Go to step 4. The problem is solved.
Step 4
a Make sure that the developer is properly installed.
b Make sure that the developer is supported.
Does the problem remain?
Go to step 5. The problem is solved.
7421
Diagnostic information
153
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