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HP LaserJet 3150 manual 191

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Download 272 pages, 6.55 Mb

Formatter

Document

Scanner Motor

Figure 83. General circuit diagram (2 of 2)

EN	Troubleshooting tools 189

Contents

Page Page Page Page Contents 4 Functional overview 5 Removal and replacement 6 Troubleshooting 7 Parts and diagrams Appendix A Additional user notes Index Figures Page Page Page Tables Page 1 Product Information Introduction Product features Product specifications Page Model and serial numbers Product overview Page Page Page Safety Laser statement for Finland FCC regulations Page Telephone consumer protection act (U.S.) IC CS-03requirements Declaration of conformity Canadian DOC regulations Environmental product stewardship program Page Page Page Material safety data sheet 2 Installation and operation Operating environment Media requirements Storage conditions Storing opened toner cartridges Toner Recycling Control panel Control panel messages Page Page Page Page Page Page Page Page Page Page Page Menu tree Page Page 3 Maintenance Life expectancies of consumables Cleaning and maintaining the equipment Cleaning the document scanner path Page Cleaning the print path Page Page Using a cleaning page To use a cleaning page Page 4 Functional overview Basic functions Printer functions ECU/power system Print engine control system Power system (on ECU) High-voltagepower distribution Central processing unit Memory Parallel interface Control panel Draft mode Toner cartridge Step 1: Primary charging Step 2: Scanning exposure Step 3: Developing Step 4: Transferring Step 5: Separating Step 6: Drum cleaning Fixing stage Printer feed system Page Paper jam detection Solenoid, photosensors, and switches Document scanner system Page Basic sequence of operation (formatter-to-printer) Page 5 Removal and replacement Removal and replacement strategy Before performing service After completing service Required tools Back cover To reinstall Right side cover Left side cover Left front cover Top cover RFI shield Printer door Page Page Document release door Page Upper guide assembly Page Contact image sensor Page Document scanner assembly/motor Page Document scanner pickup roller LIU board Formatter board Page Metal side plate Exit roller Delivery assembly Page Fuser pressure plate Page Front casing Heating element Page Pressure roller Face-up/face-downlever Fuser exit roller assembly Paper exit sensor flag Laser/scanner assembly Solenoid Page Pickup roller assembly Page Page Paper feed frame Page Page Transfer roller guide and transfer roller Kick plate Page Separation pad Subpads Feed assembly Page Page Cable guide Main Motor ECU Page Page Page Feet 6 Troubleshooting Basic troubleshooting Page Page Page Error messages Page Page Page Page Check the toner cartridge Solving image quality problems Page Page Page Page Page Page Solving paper feed problems Page Page Page Solving general software problems Page Page Page Simple hardware test Engine test Internal reports Printing all reports at once Half-selftest functional check Drum rotation functional check Heating element check High-voltagepower supply check Paper curl Paper path check Paper path and components Document path and components Repetitive image defect ruler Document scanner recalibration Page Main wiring Page Control panel service menu Extended service menu Page Self-testin extended service mode Other tests in extended service mode Reports in extended service mode Clear memory in extended service mode To change the country code softswitch Page Firmware and software downloads Hardware, software, and firmware compatibility Fax trace report Translating the fax trace report Page Page Page Page Page Explanation of DBM Page 7 Parts and diagrams Ordering parts Consumables and accessories Page Ordering consumables Common hardware Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Alphabetical parts list Page Page Page Page Page Page Numerical parts list Page Page Page Page Page A Additional user notes When to replace the document scanner separation pad How to replace the document scanner separation pad Index Page Page Page Page Page Page Page Page Page Page Page Page Manual Part No. C4256-90954

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