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EXP Computer C4077-90960 Table 5-2 2000-Sheet Input Unit Sensors, Switches, Clutches, and Motors, 5-24 Functional Overview

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Control Device Title Location

CL31 T rans fer Assembly Clutch T rans fer Assembly

CL32 Main Drive Clutch Lower Chassis

(behind Back Cover)

MT31 Main Motor Lower Chassis

(behind Back Cover)

PS31 Paper Entry Sensor Transfer Assembly

PS32 Paper Exit Sensor Transfer Assembly

PS33 Paper Tray Empty Sensor Paper Pi ck-Up Assembly

PS34 Paper Tray Raised Sensor Paper Pi ck-Up Assembly

PS35 Transfer Assembly Closed Sens or Paper Pick-Up Assembly

SW31 Lifter Sensing Switch Upper Chassis

(above Paper Tray)

SW601, SW602 Paper Quantity Switches Lower Chassis

(behind Back Cover)

SW701-SW704 Paper Size Switches Lower Chassis

(behind Back Cover)

Table 5-2 2000-Sheet Input Unit Sensors, Switches, Clutches, and Motors

5-24 Functional Overview

Contents

Main HP LaserJet 5Si Family Printers Service Manual Page Page Conventions Chapter Descriptions Page List of Figures Page Page Page Page List of Tables Page Product Information Page Printer Features Table 1-1 Printer Features Product Information 1-3 Information Paper Capacities and Sizes Tray 1 Tray 2 Tray 3 Tray 4 (2000 Sheet Input Unit) Identification Model and Serial Numbers Specifications Page Page Media Selection Guidelines Paper Envelopes Adhesive Labels Transparencies Storing Print Media Shipping Print Media Product Overview External View of HP LaserJet 5Si/5Si MX/NX and Mopier Engine External View of HP LaserJet 5Si Mopier Formatter Assemblies Accessories and Options Page Hard Disk Determining Memory Requirements Service Approach Ordering Parts Exchange Program Consumables Toner Cartridge Life Refilled Toner Cartridges & Non-HP Staple Cartridges Recycling Toner Cartridges Related Documentation and Training Media Technical Assistance HP AUDIO-TIPS HP FIRST HP CompuServe Forum Internet World Wide Web HP Reseller Sales and Service Support Line Other Areas Warranty Warranty Limitations Service During the Warranty Period Service After the Warranty Period Page Page Operating Environment 2 Space Requirements Environmental Requirements Operating Overview Page Using the Control Panel Control Panel Layout Indicator Lights Settings and Defaults Printer Driver Information Paper Source Default Restoring Factory Defaults Setting the Display Language Table 3-3 Factory Default Settings Operating Overview 3-7 Heavy Media Fuser Mode Explanation Setting the Fuser Mode Using PJL Command Control Panel Menus To select a menu item: Note Shaded items appear only if the associated option or function is activated. Table 3-5 Control Panel Menu Map Operating Overview 3-11 Tray Menu Table 3-6 Tray Menu Items 3-12 Operating Overview Job Control Menu Test Menu 3-14 Operating Overview Table 3-8 Test Menu Items Configuration Menu Table 3-9 Configuration Menu Items 3-16 Operating Overview Print Quality Menu PostScript Menu Operating Overview 3-17 Table 3-11 PostScript Menu Items Table 3-10 Print Quality Menu Items PCL Menu Table 3-12 PCL Menu Items 3-18 Operating Overview I/O Menu MIO 1 and 2 Menus Service Mode Table 3-15 Service Mode Menu Items 3-22 Operating Overview Setting Page Count, Maintenance Count, and Serial Number Setting the Cold Reset Default Paper Size PowerSave Testing the Printer PCL Configuration Page Paper Path Test Page Page Page Page Cold Reset Maintenance and Adjustments Page Cleaning the Printer and Accessories Cleaning the Printer Cleaning Spilled Toner Preventative Maintenance Tray 2 and 3 Adjustment Procedure Page Tray 4 Adjustment Procedure Page Functional Overview Page Basic Printer Functionality Printer Functional Block Diagram { 5-4 Functional Overview DCControllerSystem { { FunctionalBlockDiagram FormatterSystem MIO#2 Power Distribution System AC Power Distribution Overcurrent/Overvoltage Protection High Voltage Power Distribution Toner Cartridge Detection Print Density Adjustment Formatter System Resolution Enhancement (REt) EconoMode DC Controller System Laser and Scanner Drive Paper Motion Monitoring and Control Clutches Engine Test Microswitch Motors Image Formation System I mage Formation Block Diagram Toner Cartridge Toner Cartridge/High Voltage Power Supply Contacts The Photosensitive Drum Page Drum Conditioning Image Writing Image Developing Image Transferring and Media Separation Image Fusing Page Table 5-1 Printer Sensors, Solenoids, Clutches, Motors, and Fans Functional Overview 5-21 Page 2000-Sheet Input Unit (Tray 4) Components Table 5-2 2000-Sheet Input Unit Sensors, Switches, Clutches, and Motors 5-24 Functional Overview Page 2000-Sheet Input Unit Operation Page Multi-Bin Mailbox Components Page Page Multi-Bin Mailbox Operation Page Page Table 5-6 Stapling Unit Sensors, Switches, and Motors 5-34 Functional Overview Page Mailbox with Stapler Operation Main Functional Cycles of the Stapler Paper Feed Cycle Stapling Cycle Eject Cycle Power-On or Reset Sequence Printer Input Sources Paper Size Switches Printing from Trays 2 and 3 Printing from Tray 1 Printing from the Envelope Feeder Printing from Tray 4 (2000-Sheet Input Unit) Two-Sided Printing Paper Jam Detection Printer Timing Page Page Removal and Replacement Page Page Page Removal and Replacement Strategy Required Tools User Installable Accessories Memory and Personality Upgrade Disk Drive To Reinstall Disk Drive Duplex Unit Page External Paper Handling Controller Tray 4 (2000-Sheet Input Unit) Multi-Bin Mailbox/Mailbox With Stapler Hardware Table Table 6-1 Hardware Table (continued) 6-16 Removal and Replacement Control Panel Covers AC Access Cover Back Cover Front Cover Page Left Lower Cover Top Cover Page Delivery Unit (for Face-Down Bin) Page Diverter Assembly Door Assembly, Diverter Door Assembly, Right Lower Page Fan 1, Exhaust (Laser/Scanner) and Housing Fan Housing Fan Motor Fan 2, Exhaust (LVPS) Fan 3, Intake (Formatter) and Housing Fan Motor Fan Housing (See Fan 2) Fan 4, Exhuast (Delivery Unit) Feeder Assembly Page Formatter Assembly Setting Page Count, Maintenance Count, and Serial Number Fusing Assembly Laser/Scanner Assembly Main Gear Assembly Page Page Main Motor Assembly Paper Input Unit (PIU) PCA, DC Controller PCA, Output Paper Sensor Page Page PCA, Paper Size Page Power Supply, High Voltage (HVPS) Power Supply, Low Voltage (LVPS) Registration Assembly Page Page Roller and Separation Pad, Tray 1 Feed Roller Separation Pad Rollers: Tray 2 & 3, Pickup, Feed, and Separation Sensor, Paper Input Unit (PS2) Sensor, Registration (PS1) Solenoid Assembly, SL3 (Face-Up) Transfer Roller Assembly Tray 1 Assembly Tray 2/3 Assemblies Tray 4 (2000-Sheet Input Unit) Back Cover Left Cover Right Cover Main Drive Assembly Paper Tray PCA, Controller Pickup Assembly Page Power Supply Rollers: Pickup, Feed, and Separation Switch Assembly, Paper Quantity Switch Assembly, Paper Size Switch Assembly, Lifter Sensing T ransfer Assembly Page Multi-Bin Mailbox/Mailbox With Stapler Covers Delivery Head Assembly Page Flipper Assembly Page Input Paper Guide Interlock Switch Jam Access Door Assembly Page Page Lower Elevator Pulley Assemblies Page Metallic Tape and Housing Assembly Page Page Motor, Delivery Head Position Motor, Transport Belt and Encoder Assembly Page Paper Bins and Blind Cover PCA, Controller Strings, Anti-Curl Page Stapling Unit Assembly Back Plate To Reinstall Page Stapling Unit Controller PCA Page Top Cover Assembly Stapling Bed Assembly Hinges Page Troubleshooting Page Troubleshooting Process Page Page Power-On Overview 7-6 Troubleshooting Table 7-1 Power-On Page Engine Test Engine Test Button Location Printing an Engine Test Display Overview Display and Evaluate the Error Log Configuration Verify Presence of Installed Personalities and Options on the Configuration Pages Page Configuration Page Illustration and Key Configuration Page Example 7-12 Troubleshooting Figure 7-5 Page Communications Link (C-Link) Cables Image Quality Check the Toner Cartridge Faulty Image Examples Error Log Print and Evaluate the Error Log After printing the error log: Error Log Interpretation Page Communication Verify Communication Verify Host System Operation Verification Paper Path Test Customer Print Job Reference Control Panel Messages and Errors Error Log Table Category/ 7-24 Troubleshooting Table 7-5 Printer Control Panel Messages Page Category/ 7-26 Troubleshooting Page Category/ 7-28 Troubleshooting Category/ <media type> <paper size> Troubleshooting 7-29 <media type> <paper size> Category/ 7-30 Troubleshooting Category/ Troubleshooting 7-31 Category/ 7-32 Troubleshooting Page Category/ 7-34 Troubleshooting Page Page General Paper Path Troubleshooting Troubleshooting 7-37 General Paper Path Troubleshooting Questions Problem Action Category/ 7-38 Troubleshooting Category/ Troubleshooting 7-39 Category/ 7-40 Troubleshooting Category/ Troubleshooting 7-41 Category/ 7-42 Troubleshooting Page Category/ 7-44 Troubleshooting Page Category/ 7-46 Troubleshooting Category/ Troubleshooting 7-47 Category/ 7-48 Troubleshooting Category/ Troubleshooting 7-49 Category/ 7-50 Troubleshooting Category/ Troubleshooting 7-51 Category/ 7-52 Troubleshooting Category/ Troubleshooting 7-53 Category/ 7-54 Troubleshooting Category/ Troubleshooting 7-55 Category/ 7-56 Troubleshooting Page Category/ 7-58 Troubleshooting Category/ Troubleshooting 7-59 Page Page Category/ 7-62 Troubleshooting Image Formation Troubleshooting Check the Toner Cartridge Faulty Image Examples Image Quality Tables HP LaserJet Printer Family Paper Specifications Guide) 7-64 Table 7-6 Blank (White) Page Table 7-7 Black Page 7-65 Table 7-8 Fading Print 7-66 Table 7-9 Dropout Table 7-10 Black Lines (parallel or perpendicular to path) 7-67 Table 7-11 Toner Smear Table 7-12 Background Scatter (or Leading Edge Halo) 7-68 Table 7-13 Repetitive Defects Table 7-14 Line at Edge of Paper 7-69 HP LaserJet Printer Family Paper Specifications Guide Possible Cause Recommended Action HP LaserJet Printer 7-70 Table 7-15 Improperly Formed Characters, Character Voids Table 7-16 Faulty Registration Table 7-17 Image Skew Table 7-18 Bubble Print 7-71 Table 7-19 White Stripes (parallel to path) Page Page Image System Troubleshooting Drum Rotation Functional Check High-Voltage Power Supply Check Troubleshooting Checks Paper Jams Page Clearing Paper Jams Clearing Repeated Paper Jams General Troubleshooting Information Miscellaneous Problems and Solutions Page Page Page Paper Curl Diagrams Page Page Page Page Page Page Page Page Page Page Page MULTI-BIN MAILBOX CONTROLLER PCA Figure 7-39 Multi-Bin M ailbox Main Wiring Diagram 7-98 Troubleshooting Page Page Page Page How to Use the Part Lists and Diagrams Ordering Parts Accessories and Supplies Common Hardware Illustrations and Parts Lists Page Page Table 8-1 Printer and Paper Handling Components 8-8 Parts and Diagrams Page Page Table 8-2 Printer Covers and Doors Parts and Diagrams 8-11 Page Table 8-3 Printer Internal Components (1 of 4) Parts and Diagrams 8-13 Page Table 8-4 Printer Internal Components (2 of 4) Parts and Diagrams 8-15 Page Table 8-5 Printer Internal Components (3 of 4) Parts and Diagrams 8-17 Page Table 8-6 Printer Internal Components (4 of 4) Parts and Diagrams 8-19 Page Table 8-7 2000-Sheet Input Unit Internal Components Parts and Diagrams 8-21 Page Page Page Table 8-9 Multi-Bin Mailbox/Mailbox with Stapler Components (1 of 3) Parts and Diagrams 8-25 Page Table 8-10 Multi-Bin Mailbox/Mailbox with Stapler Components (2 of 3) Parts and Diagrams 8-27 Page Page Page Page Page Page Alphabetical Parts Index Table A-1 Alphabetical Parts List A-2 Parts Index Parts Index A-3 A-4 Parts Index Parts Index A-5 A-6 Parts Index Parts Index A-7 A-8 Parts Index Parts Index A-9 A-10 Parts Index Numerical Parts Index Table A-2 Numerical Parts Index Parts Index A-11 A-12 Parts Index Parts Index A-13 A-14 Parts Index Parts Index A-15 A-16 Parts Index Parts Index A-17 A-18 Parts Index B I/O Information IEEE 1284 Parallel Cable Information Page Connecting to LocalTalk Networks Connecting to the END of a LocalTalk Network Connecting to the MIDDLE of a LocalTalk Network Connecting to a Network. BNC Interface 10Base-T Interface DIN-8 (LocalTalk) Interface Optional Network Configuration. Configuring Novell NetWare Frame Type Parameters. Configuring TCP/IP Parameters Configuring Apple EtherTalk Phase Parameter Disable Network Protocols (Optional). C Regulatory Information Laser Safety (U.S.A.) Laser Statement (Finland) Toner Safety MSDS Information Ozone Emission C FCC Regulations VCCI Statement (Japan) C Page Index Index Index-1 Index-2 Index Index-3 Index-4 HP LaserJet 5Si Family Printers Service Manual