No Power Service Check - Lexmark MB2236 Service Manual

Action
Step 5
Replace the controller board. See
page 228.
Does the problem remain?

No power service check

Action
Step 1
a
Reseat all the cables on the controller board.
b
Check if the controller board LED lights up when the power is
on.
Does the controller board LED light up?
Step 2
a
Reseat 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?
Step 3
a
Make sure that the LVPS is compatible with the fuser and the
printer.
b
Make sure that there is voltage going out from the fuser
connector.
c
Make sure that the correct power input voltage is applied.
Does the problem remain?
Step 4
Replace the LVPS. See
Does the problem remain?
Step 5
Check the cables for proper connection and damage.
Are the cables properly connected and free of damage?
Step 6
Replace the damaged cable.
Does the problem remain?
"Controller board removal" on
"LVPS removal" on page
Diagnostics and troubleshooting
Yes
Contact the next
level of support.
Yes
Go to step 5.
Go to step 5.
Go to step 4.
Go to step 5.
230.
Go to step 7.
Go to step 7.
186
3400-48x
No
The problem is
solved.
No
Go to step 2.
Go to step 3.
The problem is
solved.
The problem is
solved.
Go to step 6.
The problem is
solved.