HP LaserJet M5025, M5035 MFP Series printers Service Repair Manual

HP LaserJet M5025/M5035 MFP Series printers Service manual

HP LaserJet M5025 and HP LaserJet M5035 Series MFP 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. Part number: Q7829-90908 Edition 1, 10/2006 Trademark Credits Adobe ® , Acrobat ® , and PostScript ® are trademarks of Adobe Systems Incorporated. Linux is a U.S. registered trademark of Linus Torvalds. Microsoft ® , Windows ® , and Windows NT ® are U.S. registered trademarks of Microsoft Corporation. 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. Java ™ is a U.S. registered trademark of Sun Microsystems, Inc.

Table of contents 1 Basics Device comparison ............................................................................................................................... 2 Features comparison ............................................................................................................................ 3 Walkaround .......................................................................................................................................... 5 Device parts ......................................................................................................................... 5 Interface ports ...................................................................................................................... 8 Device software .................................................................................................................................... 9 Supported operating systems .............................................................................................. 9 Supported printer drivers ..................................................................................................... 9 Select the correct printer driver .......................................................................................... 10 Universal printer drivers .................................................................................... 10 Driver Autoconfiguration .................................................................................... 10 Update Now ...................................................................................................... 11 HP Driver Preconfiguration ............................................................................... 11 Priority for print settings ..................................................................................................... 11 Open the printer drivers ..................................................................................................... 12 Software for Macintosh computers .................................................................................... 13 Remove software from Macintosh operating systems ...................................... 13 Utilities ............................................................................................................................... 14 HP Web Jetadmin ............................................................................................. 14 Embedded Web server ..................................................................................... 14 Send Fax Driver ................................................................................................ 14 HP Easy Printer Care software ......................................................................... 15 Supported operating systems ........................................................... 15 Supported browsers ......................................................................... 15 Other components and utilities .......................................................................... 15 2 Installation and configuration Site requirements ............................................................................................................................... 18 Operating environment ...................................................................................................................... 20 I/O configuration ................................................................................................................................. 21 USB configuration .............................................................................................................. 21 Network configuration ........................................................................................................ 21 Configure TCP/IPv4 parameters ....................................................................... 22 Set an IP address ............................................................................. 22 Set the subnet mask ......................................................................... 22 Set the default gateway .................................................................... 23 Configure TCP/IPv6 parameters ....................................................................... 23 Disable network protocols (optional) ................................................................. 24 ENWW iii

Disable IPX/SPX ............................................................................... 24 Disable AppleTalk ............................................................................. 24 Disable DLC/LLC .............................................................................. 24 HP Jetdirect EIO print servers ........................................................................... 25 Installing printer memory .................................................................................................................... 26 To install printer memory ................................................................................................... 26 3 Manage and maintain the device Use the embedded Web server .......................................................................................................... 30 Open the embedded Web server by using a network connection ..................................... 30 Embedded Web server sections ........................................................................................ 31 Use HP Web Jetadmin software ........................................................................................................ 33 Use the HP Printer Utility for Macintosh ............................................................................................. 34 Open the HP Printer Utility ................................................................................................. 34 HP Printer Utility features .................................................................................................. 35 Use the Administration menu ............................................................................................................. 36 Navigate the Administration menu ..................................................................................... 36 Information menu ............................................................................................................... 36 Default Job Options menu ................................................................................................. 37 Default Options for Originals ............................................................................. 37 Image adjustment .............................................................................................. 39 Default Copy Options ........................................................................................ 40 Default Fax Options .......................................................................................... 41 Default E-mail Options ...................................................................................... 42 Default Send to Folder Options ......................................................................... 43 Default Print Options ......................................................................................... 44 Time/Scheduling menu ...................................................................................................... 45 Management menu ............................................................................................................ 47 Initial Setup menu .............................................................................................................. 48 Networking and I/O ........................................................................................... 48 Fax Setup .......................................................................................................... 56 E-mail Setup ...................................................................................................... 59 Send Setup menu ............................................................................................. 59 Device Behavior menu ....................................................................................................... 60 Print Quality menu ............................................................................................................. 64 Troubleshooting menu ....................................................................................................... 67 Resets menu ...................................................................................................................... 76 Service menu ..................................................................................................................... 76 Use information pages ....................................................................................................... 76 Configuring and verifying an IP address ............................................................................................ 79 Identifying the TCP/IP address .......................................................................................... 79 Use automatic discovery ................................................................................... 79 Set up a dynamic host configuration protocol (DHCP) ...................................... 79 Verifying the TCP/IP configuration ..................................................................................... 79 Changing an IP address .................................................................................................... 79 Change an IP address by using HP Web Jetadmin .......................................... 79 Change an IP address by using the embedded Web server ............................. 80 Change an IP address by using the control panel ............................................ 80 Remote firmware updates ................................................................................................................. 81 Introduction ........................................................................................................................ 81 iv ENWW

Print the configuration page ............................................................................. 81 Printing a menu map ........................................................................ 82 Downloading the new firmware from the HP Web site ...................................... 82 Downloading the new firmware to the device .................................................... 82 Troubleshooting firmware updates .................................................................... 82 Remote firmware update by using FTP through a browser ............................... 84 Remote firmware update by using FTP on a direct network connection ........... 85 Remote firmware update through a local MS Windows port ............................ 86 Windows NT 4.0, Windows 2000, Windows XP, Windows XP or Windows 2003 .................................................................................. 86 Remote firmware update through a USB port ................................................... 87 Remote firmware update through an MS Windows network ............................ 88 Remote firmware update for UNIX systems ..................................................... 89 Remote firmware update by using the LPR command ..................................... 89 Remote firmware update through HP Web Jetadmin ....................................... 90 Manage supplies ................................................................................................................................ 92 Supplies life ....................................................................................................................... 92 Approximate print-cartridge replacement intervals ............................................................ 92 Manage the print cartridge ................................................................................................. 92 Print-cartridge storage ....................................................................................... 92 Use genuine HP print cartridges ....................................................................... 92 HP policy on non-HP print cartridges ................................................................ 92 Print-cartridge authentication ............................................................................ 93 HP fraud hotline and Web site .......................................................................... 93 Replace supplies and parts ................................................................................................................ 94 Supply replacement guidelines .......................................................................................... 94 Change the print cartridge ................................................................................................. 94 Perform preventive maintenance ....................................................................................... 97 Preventive maintenance for the print engine .................................................... 97 The ADF maintenance kit .................................................................................. 97 Clean the device ................................................................................................................................. 98 Clean the exterior .............................................................................................................. 98 Clean the scanner glass .................................................................................................... 98 Clean the scanner lid backing ............................................................................................ 99 Clean the ADF ................................................................................................................. 100 Clean the print engine paper path ................................................................................... 100 4 Theory of operation MFP system overview ...................................................................................................................... 104 Print engine ...................................................................................................................................... 106 Basic sequence of operation ........................................................................................... 106 Power-on sequence ......................................................................................................... 107 Engine control system ..................................................................................................... 107 DC controller PCA ........................................................................................... 108 High-voltage power-supply PCA ..................................................................... 109 Low-voltage power-supply PCA ...................................................................... 112 Video interface control .................................................................................... 113 Laser/scanner system ...................................................................................................... 113 Image-formation system .................................................................................................. 114 Electrostatic latent-image formation block ...................................................... 116 ENWW v

Step 1: primary charging ................................................................ 116 Step 2: laser-beam exposure ......................................................... 116 Development block .......................................................................................... 117 Step 3: developing .......................................................................... 117 Transfer block ................................................................................................. 118 Step 4: image transfer .................................................................... 118 Step 5: separation from the drum ................................................... 118 Fuser block ...................................................................................................... 119 Step 6: fusing .................................................................................. 119 Drum-cleaning block ....................................................................................... 119 Step 7: drum cleaning ..................................................................... 119 Print cartridge .................................................................................................. 119 Memory tag ..................................................................................................... 120 Pickup-and-feed-system .................................................................................................. 121 Cassette paper size and presence detection .................................................. 124 Upper and lower cassette pickup mechanism ................................................. 125 Multiple-feed prevention mechanism .............................................................. 127 Tray 1 (multipurpose tray) pickup mechanism ................................................ 128 Skew-correction mechanism (registration) ...................................................... 129 Fuser/delivery block ........................................................................................ 130 Loop control .................................................................................................... 130 Jam detection .................................................................................................. 131 Duplexing unit ................................................................................................................................... 133 Duplexing reverse/feed operation .................................................................................... 134 Duplexing feed operation ................................................................................................. 135 Duplexing horizontal registration function ........................................................................ 136 Duplexing unit jam detection ............................................................................................ 137 1 x 500-sheet and 3 x 500-sheet high-capacity input feeder ............................................................ 138 Pickup/feed operation ...................................................................................................... 140 HCI pickup mechanism .................................................................................................... 142 Lift-up operation ............................................................................................................... 143 Multiple-feed prevention mechanism ............................................................................... 145 HCI jam detection ............................................................................................................ 147 Scanner component ......................................................................................................................... 148 ADF .................................................................................................................................................. 150 Input tray .......................................................................................................................... 150 ADF simplex printing operation sequence ....................................................................... 150 ADF duplex printing operation sequence ......................................................................... 151 Multifeed operation .......................................................................................................... 152 End of a scan job operation ............................................................................................. 153 Paper pick and separation operation ............................................................................... 153 Deskew ............................................................................................................................ 154 Stapler/stacker component ............................................................................................................... 155 Overview .......................................................................................................................... 155 Basic operation ................................................................................................................ 156 Control system ................................................................................................................. 157 Feed/stack system ........................................................................................................... 160 Staple system .................................................................................................................. 175 5 Removal and replacement vi ENWW

Removal and replacement strategy .................................................................................................. 178 Introduction ...................................................................................................................... 178 Required tools .................................................................................................................. 179 Types of screws ............................................................................................................... 179 Service approach ............................................................................................................. 180 Before performing service ................................................................................................ 180 After performing service ................................................................................................... 180 Parts removal order ......................................................................................................... 181 User-replaceable parts ..................................................................................................................... 182 Print cartridge .................................................................................................................. 183 ADF separation pad and pickup and feed roller assemblies (removal and replacement) .................................................................................................................... 184 Transfer roller .................................................................................................................. 187 Tray 1 pickup roller (multipurpose paper pickup roller) .................................................... 188 Tray 1 separation pad assembly (multipurpose pad assembly) ...................................... 189 Tray 2 and Tray 3 pickup rollers (paper pickup roller assembly) ..................................... 191 Tray 2 and Tray 3 separation pad assembly (separation block assembly) ...................... 193 Tray 4, Tray 5, and Tray 6 pickup and feed rollers (paper feed roller assembly) ............ 194 Fuser ................................................................................................................................ 195 Duplexer .......................................................................................................................... 198 Formatter cover and cage ................................................................................................ 199 Hard drive ........................................................................................................................ 201 Fax PCA .......................................................................................................................... 202 ADF .................................................................................................................................................. 203 ADF assembly ................................................................................................................. 204 ADF input tray sensors .................................................................................................... 206 Separation floor assembly ............................................................................................... 208 Diverter ............................................................................................................................ 210 Jam cover ........................................................................................................................ 211 Hinge assemblies ............................................................................................................ 213 Float assembly ................................................................................................................. 214 White backing .................................................................................................................. 217 Front end cover (cap) ...................................................................................................... 219 Rear end cover (cap) ....................................................................................................... 221 ADF PCA and wire harness ............................................................................................. 224 Input tray .......................................................................................................................... 226 Scanner ............................................................................................................................................ 227 Control panel ................................................................................................................... 228 Scanner controller board (SCB) and cover ...................................................................... 230 Scanner assembly ........................................................................................................... 232 Glass assembly and top cover ......................................................................................... 235 Optic assembly ................................................................................................................ 240 To reinstall the drive belt and optic assembly ................................................. 246 Page sensors ................................................................................................................... 249 Transmission assemblies and slide rail ........................................................................... 250 Stapler/stacker (HP LaserJet M5035xs only) ................................................................................... 253 Stapler/stacker assembly ................................................................................................. 254 Stapler PCA ..................................................................................................................... 257 Rear cover ....................................................................................................................... 258 Left door ........................................................................................................................... 259 ENWW vii

Output bin ........................................................................................................................ 260 Duplex cover .................................................................................................................... 261 Left cover ......................................................................................................................... 262 Right and left rear covers ................................................................................................. 264 Front door and stapler unit cover ..................................................................................... 266 Output bin stay (support arm) .......................................................................................... 270 Rear inner cover .............................................................................................................. 271 Stack cover ...................................................................................................................... 272 Stapler unit ....................................................................................................................... 273 Paper feed assembly (stapler) ........................................................................................ 275 Alignment and jogger guide assembly ............................................................................. 276 Install the alignment and jogger guide assembly ............................................ 280 Jogger guide unit ............................................................................................................. 283 Front door interlock switch ............................................................................................... 286 Print engine (base unit) .................................................................................................................... 288 Formatter cover ............................................................................................................... 290 Face-down cover ............................................................................................................. 291 Left door ........................................................................................................................... 292 Left upper cover ............................................................................................................... 293 Rear cover ....................................................................................................................... 295 Front cover ....................................................................................................................... 296 Face-down side cover ...................................................................................................... 300 Top inner cover ................................................................................................................ 302 Front inner cover .............................................................................................................. 304 Right door ........................................................................................................................ 306 Lower left cover ............................................................................................................... 308 Left rear cover .................................................................................................................. 311 Top cover ......................................................................................................................... 312 Right rear inner cover ...................................................................................................... 313 Right rear cover ............................................................................................................... 315 Left rear inner cover ......................................................................................................... 316 Print cartridge door .......................................................................................................... 318 Registration assembly ..................................................................................................... 325 Fuser pressure release assembly .................................................................................... 328 Fuser ................................................................................................................................ 329 Paper delivery assembly .................................................................................................. 330 Paper feed assembly (base unit) ..................................................................................... 332 Reinstall the paper feed assembly .................................................................. 333 Fuser fan .......................................................................................................................... 338 Fuser motor ..................................................................................................................... 339 Laser/scanner .................................................................................................................. 340 Low-voltage power supply assembly ............................................................................... 342 Interconnect PCA assembly ............................................................................................ 345 High-voltage power supply .............................................................................................. 347 Lifter drive assembly ........................................................................................................ 354 DC controller PCA ........................................................................................................... 357 Upper cassette pickup assembly ..................................................................................... 359 Lower cassette drive assembly ........................................................................................ 362 Main motor ....................................................................................................................... 363 Lower cassette pickup assembly ..................................................................................... 368 viii ENWW

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HP LaserJet M5025, M5035 MFP Series printers Service Repair Manual

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