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Troubleshooting
No Image
No image?
YES
Self test
pattern prints?
YES
Check connection to
computer or replace
controller
4-6
NO
Self testing
NO
is possible via
Tech Mode?
Take out the cartridge
and prepare the tester
for electronic connection
Is the OPC
terminal of machine
is well-connected
to Frame?
Does the
video data line to
LSU transit to High/Low
when printing?
The mirror in LSU might be
misplaced so the light path to the
OPC deviates ->Repair or replace
LSU or remove any deffective
matters in the machine
NO
YES
NO
YES
NO
YES
A on
next page
Re-test after replacing the
conector or Main board
Repair or replace the GND
terminal
Check the path between
video controller, engine board
and HVPS. Repair or replace
the defective component
or board
Samsung Electronics
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Table of Contents
Troubleshooting
