HP LaserJet 5L Service Manual - Page 122
Half-Self Test Functional Check
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7 Troubleshooting Contents General Troubleshooting Flowchart 7-3 Paper Path and Components 7-5 DC Controller Diagram 7-6 Printer Error Troubleshooting 7-7 Priority of Errors 7-7 Printer Status Messages 7-8 Service and Error Messages 7-10 Image Formation Troubleshooting 7-13 Check the Toner Cartridge 7-13 Image Defect Examples 7-14 Troubleshooting Checks 7-21 Engine Test 7-21 Half-Self Test Functional Check 7-22 Drum Rotation Functional Check 7-23 High-Voltage Power Supply Check 7-24 Paper Curl 7-26 Troubleshooting Tools 7-27 Paper Path Check 7-27 Repetitive Image Defect Ruler 7-28 Main Wiring Diagram 7-29 Troubleshooting 7-1
7
Troubleshooting
Contents
General Troubleshooting Flowchart .
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7-3
Paper Path and Components
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7-5
DC Controller Diagram
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7-6
Printer Error Troubleshooting . .
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7-7
Priority of Errors
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7-7
Printer Status Messages .
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7-8
Service and Error Messages
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7-10
Image Formation Troubleshooting
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7-13
Check the Toner Cartridge
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7-13
Image Defect Examples
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7-14
Troubleshooting Checks
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7-21
Engine Test . .
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7-21
Half-Self Test Functional Check
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7-22
Drum Rotation Functional Check
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7-23
High-Voltage Power Supply Check
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7-24
Paper Curl .
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7-26
Troubleshooting Tools . .
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7-27
Paper Path Check
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7-27
Repetitive Image Defect Ruler
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7-28
Main Wiring Diagram
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7-29
Troubleshooting
7-1