Lexmark MB2236 - Page 28

Action Yes No
Step 12
a Reseat the transfer roller.
b Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Go to step 13. The problem is
solved.
Step 13
Replace the transfer roller. See
“Transfer roller removal” on
page 242.
Does the problem remain?
Go to step 14. The problem is
solved.
Step 14
Adjust the toner darkness.
Does the problem remain?
Go to step 15. The problem is
solved.
Step 15
a Check the HVPS characterization.
b Reseat the HVPS cables.
c Check the HVPS cables for proper installation and damage.
d Check the HVPS spring contact for proper connection to the
board.
Is the HVPS properly installed and free of damage?
Go to step 17. Go to step 16.
Step 16
Replace the HVPS. See
“HVPS removal” on page 231.
Note: Make sure to perform the HVPS characterization when
replacing the HVPS.
Does the problem remain?
Go to step 17. The problem is
solved.
Step 17
a Reseat all the cables connected to the LVPS.
b Check the cables for proper connection and damage.
c Check the fuse for continuity.
d Check the electronic components on the LVPS for damage.
e Check the LVPS for proper installation and damage.
Is the LVPS properly installed and free of damage?
Go to step 20. Go to step 18.
3400-48x
Diagnostics and troubleshooting
28