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Print Quality Troubleshooting Tool for HP Color LaserJet Enterprise 500 Color Printer M551 series - Horizontal lines repeating every 3.0 inches (76mm)
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Print Quality Troubleshooting Tool for HP Color LaserJet CP4025/CP4525 - Horizontal Lines Repeating Every 1.3 Inches (32 mm)
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Troubleshoot: Used Samsung laser printer producing black horizontal lines across page even when blank copy sent through printer without anything printed onto it. : r/printers
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Why are these black streaks appearing on copies and prints? I've cleaned the glass and scans do not have the problem. : r/printers
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