Lexmark MB2236 - Blank or white pages

Action Yes No
Step 17
a Make sure that the main drive is properly installed and free of
damage.
b Make sure that the main drive gears are properly installed.
c Make sure that the drive gears are in proper contact with the
gear they are driving.
Does the problem remain?
Go to step 18. The problem is
solved.
Step 18
Replace the main drive. See
“Main drive removal” on page 234.
Does the problem remain?
Go to step 19. The problem is
solved.
Step 19
a Reseat all the cables on the controller board.
b Check if the controller board LED lights up.
c Check the controller board for proper installation and damage.
Is the controller board properly installed and free of damage?
Contact the next
level of support.
Go to step 20.
Step 20
Replace the controller board. See
“Controller board removal” on
page 228.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
126 errors
126 error messages
Error code Description Action
126.05 The LVPS dropped while not sleeping. See
“LVPS service check” on page 148.
126.06 An LVPS 25 V line error was detected.
126.07 An LVPS 5 V rail was down during POR.
126.12 LVPS mismatch. A 120 V power supply is installed
but the controller board reports a 220 V power
supply.
See
“LVPS service check” on page 148.
Note: Skip directly to step 3.
126.13 LVPS mismatch. A 230 V power supply is
installed but the controller board reports a 110 V
or 100 V power supply.
3400-48x
Diagnostics and troubleshooting
147