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7-18
TROUBLESHOOTING
Service Manual
7.3.10 Vertical Line Getting Curved
• Description
When printing, vertical line gets curved.
Check and Cause
Solution
1. If the supply of +24v is unstable in the Main Control board
linking with LSU, check drive by EDC Mode: LSU Check.
2. Check the Deve PBA in the Toner Cartridge.
1. Replace LSU.
2. Replace the Toner Joint PBA.
2. Replace the Main PBA.
Summary of Contents for Phaser 3450
Page 12: ...3 4 Specifications Service Manual ...
Page 28: ...4 16 Summary of Product Service Manual ...
Page 75: ...6 20 Alignment Adjustments Service Manual ...
Page 103: ...7 28 TROUBLESHOOTING Service Manual ...
Page 129: ...9 2 BLOCKDIAGRAM Service Manual ...