Laser printer print defects - Black page
| Problem | Possible Cause | Solution |
|---|---|---|
| black page |
Defective toner cartridge |
Install a new toner cartridge |
| black pages |
High voltage power supply circuit is defective (not supplying the correct negative voltage) |
Replace the High Voltage Power Supply PCA |
| black page |
DC controller PCA is defective. If the DC Controller turns on the laser beam continuously, the entire surface of the Photosensitive drum is neutralized causing a completely black page. |
Replace the DC Controller PCA |
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