Blank Copy - Samsung MULTIXPRESS CLX-9251 Series Service Manual

4.6.11. Blank copy

A. Typical faulty images
B. Troubleshooting procedure
Step Cause
1 LSU operation error
2 All connectors on HVPS board are connected correctly.
3 Check if the related parts are broken.
4 Check if the connection between scan joint board and
main board is OK.
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Action
Check LSU connector for proper connection.
Reconnect.
Replace the HVPS board or Main board or LSU.
Reconnect the harness.
If the connection is OK, replace the main board.
4. Troubleshooting
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