Dark Print Check - Lexmark MB2236 Service Manual

Action
Step 21
a
Check the controller board for proper installation and damage.
b
Reseat all the cables on the controller board.
Is the controller board properly installed and free of damage?
Step 22
Replace the controller board. See
page 228.
Does the problem remain?

Dark print check

Action
Step 1
a
Make sure that the toner cartridge is supported.
b
Make sure that the toner cartridge and imaging unit are not
empty.
c
Check if the toner cartridge is new.
Is the toner cartridge new?
Step 2
Make sure to remove the packing material on the toner cartridge
and imaging unit.
Does the problem remain?
Step 3
a
Clear the paper path of debris and contamination.
b
Remove, and then insert the imaging unit and toner cartridge.
Note: Shake the toner cartridge and imaging unit before
inserting them.
c
Perform a POR.
d
Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
"Controller board removal" on
Diagnostics and troubleshooting
36
Yes No
Contact the next Go to step 22.
level of support.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. Go to step 3.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
3400-48x