Samsung MultiXpress M537x series Service Manual page 340

4. Troubleshooting
11) Blank page
Description : No visible image anywhere on the output.
Probable Cause
The contact terminal of the imaging unit is bad.
The surface of transfer roller is contaminated or worn out.
The LSU window is contaminated.
The connection between the LSU and main board is defective.
The connection between the main board and HVPS board is
bad.
4-204
Solution
1) Clean the contact terminal of the imaging unit.
2) Replace the imaging unit.
Replace the transfer roller.
1) Clean the LSU window.
2) Replace the LSU
1) Disconnect and reconnect the harness.
2) Replace the harness.
Reconnect the harness. If the main board or HVPS board is
defective, replace it.
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