Hp Color Laserjet Cm1312 Mfp Service Manual Pages

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HP Color LaserJet CM1312 MFP Series Service Manual irm pa re ic e- rv se l.c om ua an HP Color LaserJet CM1312 MFP Series se rv ic e- re pa irm an ua l.c om Service Manual Copyright and License Trademark Credits © 2008 Copyright Hewlett-Packard Development Company, L.P. Adobe®, Acrobat®, and PostScript® are trademarks of Adobe Systems Incorporated. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. Microsoft®, Windows®, and Windows®XP are U.S. registered trademarks of Microsoft Corporation. The information contained herein is subject to change without notice. Windows Vista™ is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries. 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. UNIX® is a registered trademark of The Open Group. ENERGY STAR and the ENERGY STAR mark are registered U.S. marks. Part number: CC430-90964 se rv ic ere pa irm an ua l.c om Edition 1, 4/2008 Table of contents se rv ic ere pa irm an ua l.c om 1 Product basics Quick access to product information .................................................................................................... 2 Product comparison ............................................................................................................................. 3 Product features ................................................................................................................................... 4 Product walkaround .............................................................................................................................. 5 Base model front view ......................................................................................................... 5 Base model back view ......................................................................................................... 6 Fax/memory-card model front view ..................................................................................... 6 Fax/memory-card model back view ..................................................................................... 7 Interface ports ...................................................................................................................... 7 Supported operating systems ............................................................................................................... 8 Supported operating systems for Windows ......................................................................... 8 Supported operating systems for Macintosh ....................................................................... 8 Supported product software ................................................................................................................. 9 Software included with the product ...................................................................................... 9 Software for Windows ......................................................................................... 9 HP Web Jetadmin ............................................................................... 9 Embedded Web server ....................................................................... 9 HP ToolboxFX .................................................................................. 10 Software for Macintosh ..................................................................................... 10 Embedded Web server ..................................................................... 10 Supported printer drivers ................................................................................................... 11 Supported printer drivers for Windows .............................................................. 11 HP Universal Print Driver (UPD) ....................................................................... 11 UPD installation modes .................................................................... 11 Supported printer drivers for Macintosh ............................................................ 11 Software for other operating systems ................................................................................ 12 System requirements ......................................................................................................................... 13 Connectivity ........................................................................................................................................ 14 Supported network protocols (network models only) ......................................................... 14 2 Control panel Control-panel walkaround .................................................................................................................. 18 Base models control panel ................................................................................................ 18 ENWW iii Fax/memory-card models control panel ............................................................................ 19 Control-panel menus .......................................................................................................................... 20 Use the control-panel menus ............................................................................................. 20 Control-panel Setup menu ................................................................................................. 20 Function-specific menus (fax/memory-card models only) ................................................. 29 3 Paper and print media Supported paper and print media ....................................................................................................... 36 Supported paper types and tray capacity ........................................................................................... 37 Load paper and print media ............................................................................................................... 38 Load Tray 1 ........................................................................................................................ 38 Load originals for copying, scanning, or faxing .................................................................. 39 Configure tray ..................................................................................................................................... 41 se rv ic ere pa irm an ua l.c om 4 Manage and maintain the product Information pages ............................................................................................................................... 44 HP ToolboxFX .................................................................................................................................... 46 View the HP ToolboxFX ..................................................................................................... 46 Status ................................................................................................................................. 46 Event log ........................................................................................................... 47 Alerts .................................................................................................................................. 47 Set up status alerts ........................................................................................... 47 Set up e-mail alerts ........................................................................................... 47 Product information ............................................................................................................ 47 Fax ..................................................................................................................................... 48 Fax Receive ...................................................................................................... 48 Fax phone book ................................................................................................ 48 Fax send log ...................................................................................................... 50 Fax receive log .................................................................................................. 50 Junk Faxes ........................................................................................................ 50 Help ................................................................................................................................... 50 System Settings ................................................................................................................. 51 Device Information ............................................................................................ 51 Paper Handling ................................................................................................. 52 Print Quality ....................................................................................................... 52 Print Density ...................................................................................................... 52 Paper Types ...................................................................................................... 53 System setup .................................................................................................... 54 Service .............................................................................................................. 54 Device polling .................................................................................................... 54 Print Settings ..................................................................................................................... 54 Printing .............................................................................................................. 54 PCL5 ................................................................................................................. 55 iv ENWW se rv ic e- re pa irm an ua l.c om PostScript .......................................................................................................... 55 Network Settings ................................................................................................................ 55 Embedded Web server ....................................................................................................................... 56 Features ............................................................................................................................. 56 Use HP Web Jetadmin software ........................................................................................................ 57 Security features ................................................................................................................................ 57 Turn on password protection using the embedded Web server ........................................ 57 Turn on password protection from the control panel ......................................................... 57 Turn on private receive feature .......................................................................................... 58 Manage supplies ................................................................................................................................ 59 Check and order supplies .................................................................................................. 59 Check supplies status by using the control panel ............................................. 59 Check supplies status by using HP ToolboxFX ................................................ 59 Store supplies ................................................................................................... 60 HP policy on non-HP supplies ........................................................................... 60 HP fraud hotline ................................................................................................ 60 Recycle supplies ............................................................................................... 60 Replace supplies ............................................................................................................... 61 Print cartridge .................................................................................................... 61 Clean the product .............................................................................................................. 64 Clean the paper path ......................................................................................... 64 Clean the paper path from HP ToolboxFX ....................................... 65 Clean the paper path from the product control panel ....................... 65 Clean the automatic document feeder (ADF) pickup roller assembly ............... 66 Clean the lid backing ......................................................................................... 68 Clean the scanner glass .................................................................................... 69 Clean the exterior .............................................................................................. 70 Firmware updates .............................................................................................................. 70 Recover from a corrupted firmware download .................................................. 70 5 Theory of operation Basic operation ................................................................................................................................... 74 Major product systems ....................................................................................................... 74 Product components .......................................................................................................... 75 Sequence of operation ....................................................................................................... 75 Engine control system ........................................................................................................................ 77 DC controller ...................................................................................................................... 78 Low-voltage power supply ................................................................................................. 78 Fuser failure detection ....................................................................................... 79 High-voltage power supply ................................................................................................ 80 Laser/scanner system ....................................................................................................................... 81 Laser failure detection ....................................................................................................... 81 Image-formation system ..................................................................................................................... 82 ENWW v se rv ic ere pa irm an ua l.c om Image-formation process ................................................................................................... 82 Latent-image formation stage ............................................................................................ 83 Step 1: primary charging ................................................................................... 83 Step 2: laser-beam exposure ............................................................................ 84 Developing stage ............................................................................................................... 84 Step 3: development ......................................................................................... 84 Transfer stage .................................................................................................................... 85 Step 4: primary transfer ..................................................................................... 85 Step 5: secondary transfer ................................................................................ 85 Step 6: separation from the drum ...................................................................... 86 Fusing stage ...................................................................................................................... 86 Step 7: fusing .................................................................................................... 86 ITB cleaning stage ............................................................................................................. 87 Step 8: ITB cleaning .......................................................................................... 87 Drum cleaning stage .......................................................................................................... 88 Step 9: drum cleaning ....................................................................................... 88 Developing roller engagement/disengagement control ..................................... 88 Pickup-and-feed system ..................................................................................................................... 89 Jam detection .................................................................................................................... 90 Pad transfer ....................................................................................................................... 90 Multiple-feed prevention .................................................................................................... 90 Scanner system (base models) .......................................................................................................... 91 Scanner power-on sequence of events ............................................................................. 91 Copy or scan-to-computer sequence of events ................................................................. 92 Scanner and ADF functions and operation (fax/memory-card models) ............................................. 93 Scanner functions ............................................................................................................. 93 Scanner operation ............................................................................................................. 94 ADF operation .................................................................................................................... 94 ADF paper path and ADF sensors ..................................................................................... 95 ADF jam detection ............................................................................................................. 96 Memory card system (fax/memory-card models only) ....................................................................... 97 Fax functions and operation (fax/memory-card models only) ............................................................ 98 Computer and network security features ........................................................................... 98 PSTN operation ................................................................................................................. 98 Receive faxes when you hear fax tones ............................................................................ 98 Distinctive ring function ...................................................................................................... 99 Fax by using Voice over IP services .................................................................................. 99 The fax subsystem ........................................................................................................... 100 Fax card in the fax subsystem ......................................................................................... 100 Safety isolation ................................................................................................ 100 Safety-protection circuitry ................................................................................ 100 Data path ......................................................................................................... 101 Hook state ....................................................................................................... 101 Downstream device detection ......................................................................... 101 vi ENWW l.c om Hook switch control ......................................................................................... 101 Ring detect ...................................................................................................... 102 Line current control ......................................................................................... 102 Billing- (metering-) tone filters ......................................................................... 102 Fax page storage in flash memory .................................................................................. 102 Stored fax pages ............................................................................................. 102 Advantages of flash memory storage ............................................................. 102 se rv ic ere pa irm an ua 6 Removal and replacement Removal and replacement strategy ................................................................................................. 106 General cautions during removal and replacement ......................................................... 106 Electrostatic discharge ..................................................................................................... 106 Required tools ................................................................................................................. 107 Types of screws ............................................................................................................... 107 Service approach ............................................................................................................................. 108 Before performing service ................................................................................................ 108 After performing service ................................................................................................... 108 Post-service tests ............................................................................................................ 109 Test 1 (print-quality test) ................................................................................. 109 Test 2 (copy-quality test) ................................................................................. 109 Test 3 (fax-quality test) .................................................................................... 109 Parts removal order ......................................................................................................... 110 Print cartridges ................................................................................................................................. 111 Control-panel overlay (base model) ................................................................................................. 112 Control panel (base model) .............................................................................................................. 113 Control-panel bezel (fax/memory-card models) ............................................................................... 115 Control panel (fax/memory-card models) ......................................................................................... 116 Reinstall the control panel (fax/memory-card models) .................................................... 116 Paper-feed assemblies ..................................................................................................................... 118 Pickup roller (product base) ............................................................................................. 118 ADF pickup roller assembly ............................................................................................. 119 Separation roller (product base) ...................................................................................... 120 Transfer roller .................................................................................................................. 122 Paper-guide assembly ..................................................................................................... 124 External panels, covers, and doors .................................................................................................. 125 Front door and front-lower cover ..................................................................................... 125 Right cover ....................................................................................................................... 132 Left cover ......................................................................................................................... 135 Front-right cover .............................................................................................................. 137 Reinstall the front-right cover .......................................................................... 138 Memory-card reader PCA (fax/memory-card models only) ............................................. 139 Card cover or blanking cover ........................................................................................... 140 Rear-side cover ............................................................................................................... 142 ENWW vii se rv ic ere pa irm an ua l.c om Rear-upper cover ............................................................................................................. 143 Rear door and rear-lower cover ....................................................................................... 145 Scanner assembly ........................................................................................................... 147 Top cover ......................................................................................................................... 149 Internal assemblies .......................................................................................................................... 151 Print-cartridge drawer ...................................................................................................... 151 Main motor ....................................................................................................................... 154 Speaker (fax/memory-card models only) ......................................................................... 155 Intermediate transfer belt (ITB) ........................................................................................ 156 Reinstall the ITB .............................................................................................. 159 DC controller PCA ........................................................................................................... 161 Special considerations .................................................................................... 161 Remove the DC controller PCA ...................................................................... 161 Formatter and fax card PCAs .......................................................................................... 165 Special considerations .................................................................................... 165 Remove the formatter PCA ............................................................................. 165 Fuser motor ..................................................................................................................... 168 Power supply (high-voltage) ............................................................................................ 169 Power supply (low voltage) .............................................................................................. 173 Reinstall the power supply (low voltage) ......................................................... 179 Power supply (fuser) ........................................................................................................ 180 Fuser ................................................................................................................................ 183 7 Problem solve Menu map ........................................................................................................................................ 188 Troubleshooting process .................................................................................................................. 189 Pre-troubleshooting checklist .......................................................................................... 189 Power-on checks ............................................................................................................. 190 Troubleshooting tools ....................................................................................................................... 191 LED diagnostics ............................................................................................................... 191 Network LEDs (network models only) ............................................................. 191 Control panel LEDs ......................................................................................... 191 Memory card LED (fax/memory-card models only) ......................................... 191 Control-panel diagnostics ................................................................................................ 192 Diagrams ......................................................................................................................... 193 Block diagrams ................................................................................................ 193 Scanner and automatic document feeder (ADF) assemblies ......... 193 Major components .......................................................................... 195 Solenoid, sensors, and motors ....................................................... 197 Rollers ............................................................................................ 198 PCAs .............................................................................................. 199 Interface ports ................................................................................................. 200 DC controller PCA ........................................................................................... 201 viii ENWW l.c om an ua se rv ic e- re pa irm Timing diagram ............................................................................................... 203 Circuit diagram ................................................................................................ 204 Print-quality troubleshooting tools .................................................................................... 205 Repetitive image defects ................................................................................. 205 Calibrate the product ....................................................................................... 205 Internal print quality test pages ........................................................................................ 206 Cleaning page ................................................................................................. 206 Service page ................................................................................................... 206 Diagnostics pages ........................................................................................... 206 HP ToolboxFX software ................................................................................................... 208 Control-panel messages .................................................................................................................. 209 Event-log messages ......................................................................................................................... 217 Paper-handling problems ................................................................................................................. 219 Jams ................................................................................................................................ 219 Recover jams .................................................................................................. 219 Common causes of jams ................................................................................. 220 Clear jams ....................................................................................................... 221 Where to look for jams .................................................................... 221 Clear jams from the input-tray areas .............................................. 221 Clear jams from the output-bin ....................................................... 222 Clear jams from the ADF (fax/memory-card models only) ............. 223 Solve image quality problems .......................................................................................................... 227 General image quality problems ...................................................................................... 227 Solve issues with color documents .................................................................................. 231 Copy problems ................................................................................................................. 232 Prevent copy problems ................................................................................... 232 Image problems .............................................................................................. 232 Media-handling problems ................................................................................ 234 Performance problems .................................................................................... 235 Scan problems ................................................................................................................. 236 Solve scanned-image problems ...................................................................... 236 Scan-quality problems ..................................................................................... 238 Prevent scan-quality problems ....................................................... 238 Solve scan-quality problems ........................................................... 238 Solve performance problems ........................................................................................................... 240 Solve connectivity problems ............................................................................................................. 241 Solve direct-connection problems .................................................................................... 241 Solve network problems (network models only) .............................................................. 241 Service mode functions .................................................................................................................... 243 Service menu ................................................................................................................... 243 Service menu settings ..................................................................................... 243 Secondary service menu ................................................................................................. 243 Open the secondary service menu ................................................................. 243 Secondary service menu structure .................................................................. 244 ENWW ix se rv ic e- re pa irm an ua l.c om Product resets .................................................................................................................. 245 Restore the factory-set defaults ...................................................................... 245 NVRAM initialization ........................................................................................ 245 Solve fax problems (fax/memory-card models only) ........................................................................ 246 Fax logs and reports ........................................................................................................ 246 Print all fax reports .......................................................................................... 246 Print individual fax reports ............................................................................... 246 Set the fax activity log to print automatically ................................................... 247 Set the fax error report .................................................................................... 247 Set the fax confirmation report ........................................................................ 247 Include the first page of each fax on the fax confirmation, fax error, and last call reports ....................................................................................................... 248 Perform a fax test ............................................................................................ 248 Change error correction and fax speed ........................................................................... 248 Set the fax-error-correction mode ................................................................... 248 Change the fax speed ..................................................................................... 249 Problems sending faxes .................................................................................................. 249 Problems receiving faxes ................................................................................................. 251 Performance problems .................................................................................................... 254 Memory card problems (fax/memory-card models only) .................................................................. 255 Missing or wrong files ...................................................................................................... 255 Index page not printing .................................................................................................... 255 Proof sheet not printing .................................................................................................... 256 Proof sheet not scanning ................................................................................................. 256 Issues with photo printing ................................................................................................ 257 8 Parts and diagrams Order parts, accessories, and supplies ............................................................................................ 260 Supplies part numbers ..................................................................................................................... 261 Whole unit replacement .................................................................................................................... 262 How to use the parts lists and diagrams .......................................................................................... 263 Scanner assembly ............................................................................................................................ 264 Product base assembly locations ..................................................................................................... 268 Covers .............................................................................................................................................. 270 Internal assemblies .......................................................................................................................... 272 Alphabetical parts list ....................................................................................................................... 280 Numerical parts list ........................................................................................................................... 286 Appendix A Service and support Hewlett-Packard limited warranty statement .................................................................................... 293 Customer self repair warranty service .............................................................................................. 294 Print cartridge limited warranty statement ........................................................................................ 295 Customer support ............................................................................................................................. 296 x ENWW Repack the product .......................................................................................................................... 297 Appendix B Specifications Physical specifications ..................................................................................................................... 300 Electrical specifications .................................................................................................................... 300 Power consumption .......................................................................................................................... 300 Environmental specifications ............................................................................................................ 301 Acoustic emissions ........................................................................................................................... 301 Skew specifications .......................................................................................................................... 301 an ua l.c om Appendix C Regulatory information FCC regulations ............................................................................................................................... 304 Additional statements for telecom (fax) products ............................................................................. 304 EU statement for telecom operation ................................................................................ 304 New Zealand telecom statements ................................................................................... 304 Telephone Consumer Protection Act (United States) ...................................................... 305 IC CS-03 requirements .................................................................................................... 305 Declarations of conformity ................................................................................................................ 306 HP Color LaserJet CM1312 ............................................................................................. 306 HP Color LaserJet CM1312nfi ......................................................................................... 306 Certificate of volatility ....................................................................................................................... 308 Country/region specific statements .................................................................................................. 309 Laser safety ..................................................................................................................... 309 Canadian DOC regulations .............................................................................................. 309 EMI statement (Korea) ..................................................................................................... 309 Laser statement for Finland ............................................................................................. 309 Substances table (China) ................................................................................................ 310 se rv ic e- re pa irm Index ................................................................................................................................................................. 311 ENWW xi