HP Color LaserJet 2700 Series Service Manual

HP Color LaserJet 2700 Series printers Service Manual

Copyright and license © 2006 Copyright Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Edition 1, 10/2006 Part number Q7824-90941 Trademark credits Microsoft® and Windows® are U.S. registered trademarks of Microsoft Corporation. Linux is a U.S. registered trademark of Linus Torvalds. PostScript® is a trademarks of Adobe Systems Incorporated. UNIX® is a registered trademark of The Open Group. Energy Star® and the Energy Star® logo are U.S. registered marks of the United States Environmental Protection Agency.

Table of contents 1 Product information Printers at a glance .............................................................................................................................. 2 Features at a glance ............................................................................................................................. 3 Walkaround .......................................................................................................................................... 4 Understanding control-panel features .................................................................................................. 6 Using the control-panel menus ............................................................................................................. 7 To use the menus ................................................................................................................ 7 Reports menu ...................................................................................................................... 8 System Setup menu ............................................................................................................ 9 Network Config. menu (HP Color LaserJet 2700n printer only) ......................................... 11 Service menu ..................................................................................................................... 12 Printer software .................................................................................................................................. 13 Supported operating systems and printer drivers .............................................................. 13 Additional drivers ............................................................................................................... 13 Opening the printer drivers ................................................................................................ 14 Software for Windows ........................................................................................................ 15 The HP ToolboxFX ............................................................................................ 15 Software for Macintosh ...................................................................................................... 15 PostScript Printer Description (PPD) files ......................................................... 15 Macintosh Configure Device ............................................................................. 15 Software for networks ........................................................................................................ 16 HP Web Jetadmin ............................................................................................. 16 UNIX .................................................................................................................. 16 Linux .................................................................................................................. 16 Embedded Web server ..................................................................................... 16 Print-media specifications .................................................................................................................. 17 Tray 1 and tray 2 ............................................................................................................... 17 Optional tray 3 ................................................................................................................... 18 Selecting print media .......................................................................................................................... 19 Paper to avoid .................................................................................................................... 19 Paper that can damage the printer .................................................................................... 19 Printing and storage environment ...................................................................................................... 20 Printing on special media ................................................................................................................... 21 Transparencies .................................................................................................................. 21 Glossy paper ...................................................................................................................... 21 Colored paper .................................................................................................................... 21 Envelopes .......................................................................................................................... 21 Labels ................................................................................................................................ 22 Heavy paper ...................................................................................................................... 22 Preprinted forms and letterhead ........................................................................................ 22 ENWW iii

Recycled paper .................................................................................................................. 23 HP LaserJet media ............................................................................................................ 23 2 Installation and configuration What is in the box ............................................................................................................................... 26 Site requirements ............................................................................................................................... 27 Physical specifications ....................................................................................................... 27 Configuring trays ................................................................................................................................ 28 Configuring size ................................................................................................................. 28 Configuring type ................................................................................................................. 28 Configuring trays for custom paper .................................................................................... 28 Printing from tray 1 (100-sheet multipurpose tray) ............................................................ 28 Loading tray 1 ................................................................................................... 28 Printing from tray 2 or optional tray 3 ................................................................................. 30 Loading tray 2 ................................................................................................... 31 Loading optional tray 3 ...................................................................................... 33 Loading special media ....................................................................................................... 36 USB configuration .............................................................................................................................. 37 Connecting the USB cable ................................................................................................. 37 Network configuration (HP Color LaserJet 2700n only) ..................................................................... 38 Set up the printer and use it on the network ...................................................................... 38 To set up a network port-connected configuration (direct mode or peer-to- peer printing) ..................................................................................................... 38 Using the embedded Web server or the HP ToolboxFX .................................................... 39 Setting a system password ................................................................................................ 39 Using the printer control panel ........................................................................................... 39 IP configuration ................................................................................................. 39 Manual configuration ........................................................................ 39 Automatic configuration .................................................................... 40 Link speed and link duplex settings .................................................................. 40 Supported network protocols ............................................................................................. 41 TCP/IP ............................................................................................................................... 42 Internet Protocol (IP) ......................................................................................... 42 Transmission Control Protocol (TCP) ............................................................... 42 IP address ......................................................................................................... 42 Configuring IP parameters ................................................................................ 42 Dynamic Host Configuration Protocol (DHCP) ................................. 43 BOOTP ............................................................................................. 43 Subnets ............................................................................................................. 43 Subnet mask ..................................................................................... 43 Gateways .......................................................................................................... 43 Default gateway ................................................................................ 43 Printer memory ................................................................................................................................... 44 Installing memory DIMMs .................................................................................................. 44 To install memory and font DIMMs ................................................................... 44 Enabling memory .............................................................................................. 47 To enable memory for Windows ....................................................... 47 Checking DIMM installation ............................................................................... 47 To check DIMM installation .............................................................. 47 iv ENWW

3 Maintenance Managing supplies ............................................................................................................................. 50 Supplies life ....................................................................................................................... 50 Approximate print-cartridge replacement intervals ............................................................ 50 Checking the print-cartridge life ......................................................................................... 50 Print-cartridge storage ....................................................................................................... 51 HP print cartridges ............................................................................................................. 51 Non-HP print cartridges ..................................................................................................... 51 Print-cartridge authentication ............................................................................................. 51 HP fraud hotline and Web site ........................................................................................... 52 Replacing supplies and parts ............................................................................................................. 53 Supply replacement guidelines .......................................................................................... 53 Changing print cartridges ................................................................................................... 53 To change the print cartridge ............................................................................ 53 Cleaning the printer ............................................................................................................................ 56 To clean the printer using the printer control panel ........................................................... 56 To clean the printer using the HP ToolboxFX .................................................................... 56 Calibrating the printer ......................................................................................................................... 57 Tools for managing the printer ........................................................................................................... 58 Using printer information pages ......................................................................................... 58 Using the embedded Web server ...................................................................................... 59 To access the embedded Web server by using a network connection ............. 60 Embedded Web server sections ....................................................................... 61 Using the HP ToolboxFX ................................................................................................... 62 To view the HP ToolboxFX ............................................................................... 63 Status ................................................................................................................ 64 Event log ........................................................................................... 64 Alerts ................................................................................................................. 65 Set up status alerts ........................................................................... 65 Set up e-mail alerts ........................................................................... 65 Help ................................................................................................................... 65 Device settings .................................................................................................. 66 Device information ............................................................................ 66 Paper handling ................................................................................. 67 Printing ............................................................................................. 67 PCL5c ............................................................................................... 67 PostScript ......................................................................................... 67 Print quality ....................................................................................... 68 Print density ...................................................................................... 68 Paper types ...................................................................................... 68 System setup .................................................................................... 69 Service .............................................................................................. 69 Network settings ................................................................................................ 69 Using Macintosh Configure Device .................................................................................... 69 4 Theory of operation Engine control system ........................................................................................................................ 72 Power-on sequence ........................................................................................................... 73 Motors, fans, and solenoids ............................................................................................... 74 Laser/scanner system ........................................................................................................................ 75 ENWW v

Pickup-and-feed-system ..................................................................................................................... 76 Sensors in the pickup-and-feed system trays (cassettes) ................................................. 76 Cassette pickup mechanism .............................................................................................. 78 Multipurpose-tray pickup mechanism ................................................................................ 78 Feed-speed control ............................................................................................................ 80 Sensor jam detection ......................................................................................................... 81 Image-formation system ..................................................................................................................... 83 Image-formation process ................................................................................................... 84 Latent-image formation stage ............................................................................................ 85 Step 1: pre-exposure ......................................................................................... 85 Step 2: primary charging ................................................................................... 85 Step 3: laser-beam exposure ............................................................................ 85 Developing stage ............................................................................................................... 85 Step 4: developing ............................................................................................ 86 Transfer stage .................................................................................................................... 86 Step 5: media feed ............................................................................................ 86 Step 6: image transfer ....................................................................................... 86 Step 7: separation from the drum ...................................................................... 87 Step 8: separation from the ETB ....................................................................... 87 Fusing stage ...................................................................................................................... 87 Step 9: fusing .................................................................................................... 87 Cleaning stage ................................................................................................................... 88 Step 10: drum cleaning ..................................................................................... 88 Print cartridge .................................................................................................................... 88 Print-cartridge activation .................................................................................................... 89 5 Removal and replacement Removal and replacement strategy .................................................................................................... 92 Introduction ........................................................................................................................ 92 Required tools ................................................................................................................... 93 Types of screws ................................................................................................................. 94 Service approach ............................................................................................................... 95 Before performing service .................................................................................................. 95 After performing service ..................................................................................................... 95 Print cartridges ................................................................................................................... 96 External doors, covers, and panels .................................................................................................... 97 Front cover ......................................................................................................................... 97 Upper cover (fuser door) .................................................................................................. 100 Rear lower cover .............................................................................................................. 103 Left cover ......................................................................................................................... 104 Right cover ....................................................................................................................... 107 Rear upper cover ............................................................................................................. 111 Internal assemblies .......................................................................................................................... 112 Formatter cage ................................................................................................................ 112 Electrostatic transfer belt (ETB) ....................................................................................... 114 Fuser ................................................................................................................................ 115 Print-cartridge drive motors ............................................................................................. 116 Fuser drive assembly ....................................................................................................... 117 Developing separation-drive assembly ............................................................................ 119 Pickup-and-feed assembly .............................................................................................. 124 vi ENWW

Pickup-drive assembly ..................................................................................................... 129 Laser/scanner assembly .................................................................................................. 138 Main fan ........................................................................................................................... 142 Printed circuit assemblies (PCAs) .................................................................................................... 144 Low-voltage power-supply PCA ....................................................................................... 144 DC controller PCA ........................................................................................................... 148 High-voltage power supply .............................................................................................. 150 Memory-controller PCA ................................................................................................... 152 Driver PCA ....................................................................................................................... 154 Control panel ................................................................................................................... 156 Pickup-and-feed driver (relay) PCA ................................................................................. 158 Sensors ............................................................................................................................................ 160 Temperature sensor ........................................................................................................ 160 Paper and registration sensor covers .............................................................................. 161 Cartridge-sensor PCA ...................................................................................................... 162 500-sheet feeder .............................................................................................................................. 165 500-sheet feeder right cover ............................................................................................ 165 500-sheet feeder left cover .............................................................................................. 167 500-sheet feeder rear cover ............................................................................................ 170 500-sheet feeder driver PCA ........................................................................................... 172 6 Troubleshooting Troubleshooting process .................................................................................................................. 176 Pre-troubleshooting checklist .......................................................................................... 176 Troubleshooting flowchart ................................................................................................ 178 Power-on checks ............................................................................................................. 179 Control-panel messages .................................................................................................................. 180 Event-log messages ......................................................................................................................... 193 Jams ................................................................................................................................................. 194 Common causes of jams ................................................................................................. 194 Clearing jams ................................................................................................................... 195 Image defects ................................................................................................................................... 207 Light image ...................................................................................................................... 208 Light color ........................................................................................................................ 208 Dark image ...................................................................................................................... 209 Dark color ........................................................................................................................ 209 Completely blank image .................................................................................................. 210 All black or solid color ...................................................................................................... 210 Dots in vertical lines ......................................................................................................... 210 Dirt on back of paper ....................................................................................................... 210 Dirt on front of paper ........................................................................................................ 211 Vertical lines ................................................................................................................... 211 White vertical lines ........................................................................................................... 211 Horizontal line .................................................................................................................. 212 White horizontal line ........................................................................................................ 212 Color missing .................................................................................................................. 213 Blank spots ...................................................................................................................... 213 Poor fusing ....................................................................................................................... 213 Image distortion ............................................................................................................... 214 Color misregistration ........................................................................................................ 214 ENWW vii

Smearing ......................................................................................................................... 215 Misplaced image .............................................................................................................. 215 Reversed color ................................................................................................................. 215 Snail tracks ...................................................................................................................... 215 Repetitive-defects troubleshooting ................................................................................................... 216 Interface troubleshooting .................................................................................................................. 218 Communication checks .................................................................................................... 218 EIO troubleshooting ......................................................................................................... 218 Secondary service menu .................................................................................................................. 219 Open the secondary service menu .................................................................................. 219 Secondary service menu structure .................................................................................. 219 Test pages ........................................................................................................................................ 221 Engine test page .............................................................................................................. 221 Formatter test .................................................................................................................. 221 Half-self test ..................................................................................................................... 221 Drum-rotation test ............................................................................................................ 222 Engine resets ................................................................................................................................... 223 Engine resets ................................................................................................................... 223 Restore defaults (cold reset) ........................................................................... 223 NVRAM initialization ........................................................................................ 223 Configuration utility .......................................................................................... 224 Troubleshooting diagrams ................................................................................................................ 225 Connector locations ......................................................................................................... 225 Major assemblies ............................................................................................................. 227 DC controller connectors ................................................................................................. 231 Timing diagram ................................................................................................................ 232 Circuit diagrams ............................................................................................................... 233 7 Parts and diagrams Ordering parts and supplies ............................................................................................................. 238 Parts ................................................................................................................................ 238 How to use the parts lists and diagrams .......................................................................... 238 Types of screws ............................................................................................................... 238 Related documentation and software .............................................................................. 239 Accessories and supplies ................................................................................................ 239 External panels and covers .............................................................................................................. 242 Internal components ......................................................................................................................... 248 Paper-pickup drive assembly ........................................................................................................... 258 Developing separation-drive assembly ............................................................................................ 260 Fuser drive assembly ....................................................................................................................... 262 Cassette (tray 2) ............................................................................................................................... 264 Paper-pickup assembly .................................................................................................................... 266 Electrostatic transfer belt .................................................................................................................. 268 Multipurpose tray assembly (tray 1) ................................................................................................. 270 Fuser ................................................................................................................................................ 272 PCAs ............................................................................................................................................... 274 500-sheet feeder cassette (tray 3) ................................................................................................... 276 500-sheet feeder paper-pickup assembly ........................................................................................ 278 500-sheet feeder PCA ...................................................................................................................... 280 Alphabetical parts list ....................................................................................................................... 282 viii ENWW

HP Color LaserJet 2700 Series Service Manual

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