Lexmark T650 Service Manual page 190

4062
Step
7 Check the laser beam route.
Check for debris between the printhead assembly and
the PC drum.
Is the laser beam route free of debris and the glass
window, in the printhead assembly, free of
contamination?
8 Check the HVPS card assembly for proper connection.
Is the above component properly connected?
9 Check the printhead assembly for proper connection.
Is the above component properly connected?
10 Check the system card assembly for proper connection.
Is the above component properly connected?
2-154
Service Manual
Check Yes No
Go to step 8. Remove debris
or clean the
printhead
assembly
window.
Replace the Replace the
HVPS card connections.
assembly.
Go to "HVPS
card assembly
removal" on
page 4-24.
Replace the Replace the
printhead connections.
assembly.
Go to
"Printhead
assembly
removal
(T650)" on
page 4-59 or
"Printhead
assembly
removal (T652,
T654, T656)" on
page 4-60.
Replace the Replace the
system card connections.
assembly.
Go to "System
card assembly
removal" on
page 4-75.
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