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hp LaserJet 1200 series
service
HP LaserJet 1200 Series
Service
Copyright Information © 2001 Hewlett-Packard Company All Rights Reserved. Reproduction, adaptations, or translation without prior written permission is prohibited except as allowed under copyright laws. Part number C7044-90906 First edition, April 2001 Printed in USA
Trademark Credits Microsoft, Windows, and MSDOS are U.S. registered trademarks of Microsoft Corporation. TrueType is a U.S. trademark of Apple Computer, Inc. All other products mentioned herein may be trademarks of their respective companies.
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Unplug this product from wall outlets before cleaning. Do not install or use this product near water or when you are wet. Install the product securely on a stable surface. Install the product in a protected location where no one can step on or trip over the power cord and the power cord will not be damaged. If the product does not operate normally, see the online user guide. Refer all servicing questions to qualified personnel.
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9 Warranty The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with respect to this information. HEWLETT-PACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for any direct, indirect, incidental, consequential, or other damage alleged in connection with the furnishing or use of this information. NOTICE TO U.S. GOVERNMENT USERS: RESTRICTED RIGHTS COMMERCIAL COMPUTER SOFTWARE: "Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1)(ii) of the Rights in Technical Data Clause at DFARS 52.227-7013." Safety Information WARNING! Potential Shock Hazard Always follow basic safety precautions when using this product to reduce risk of injury from fire or electric shock. 1 Read and understand all instructions in the user guide. Observe all warnings and instructions marked on the product. Use only a grounded electrical outlet when connecting the HP LaserJet 1200 printer to a power source. If you don't know whether the outlet is grounded, check with a qualified electrician. Do not touch the contacts on the end of any of the sockets on the HP LaserJet 1200 printer. Replace damaged cords immediately. 10
Information regarding FCC Class B, Parts 15 and 68 requirements can be found in the user guide.
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Hewlett-Packard Company 11311 Chinden Boulevard Boise, Idaho 83714 U.S.A.
Contents
1 Product information
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Firmware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Product specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Overview of printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Front and side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Back and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Overview of optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Warranty statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Extended warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Toner cartridge information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Refilled toner cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Recycling toner cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2 Installation and operation
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Operating environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Identifying printer components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Printer control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Control panel light patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Copier/scanner control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Selecting media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Selecting media to print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Selecting media to copy or scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Loading media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Loading media to print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Loading media to copy or scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Printer output paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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3 Maintenance
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Life expectancies of consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Replacing the printer pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Replacing the printer separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Replacing the copier/scanner separation pad . . . . . . . . . . . . . . . . . . . . . . . 45 Cleaning the equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Cleaning the print path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Cleaning the toner cartridge area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Cleaning the printer pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Cleaning the printer separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Cleaning and recalibrating the copier/scanner . . . . . . . . . . . . . . . . . . . . . . . 51 Cleaning the scanner path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4 Operational overview
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Basic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Formatter system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Draft mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 MEt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Enhanced I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 PJL overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Printer functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Engine control unit/power system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Image formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Printer paper-feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Jam detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Optical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Document pickup and feed systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Basic sequence of operation (formatter-to-printer) . . . . . . . . . . . . . . . . . . . . 73
5 Removal and replacement
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Removal and replacement strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Required tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Before performing service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Parts removal order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
4 Contents
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Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Left side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Right side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Control panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Front cover assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Laser/scanner assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Output rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Fan assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Right plate assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Pickup assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 Pickup roller shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Paper lift plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Left plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 Bottom assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 ECU pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Paper-feed assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
6 Troubleshooting
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Control panel light messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Fatal error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Checking the toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Solving image-quality problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 Solving paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Solving print paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Solving copying and scanning paper-feed problems . . . . . . . . . . . . . . . . . 148 Functional checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Engine test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Half self-test functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 Drum rotation functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Heating element check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 High-voltage power supply check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Paper path check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
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Service mode functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 NVRAM initialization/cold reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 PJL software commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Troubleshooting tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Internal reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Main wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 Locations of connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 Locations of LEDs, jumpers, and switches . . . . . . . . . . . . . . . . . . . . . . . . . 165
7 Parts and diagrams
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Ordering parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Related documentation and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 How to use the parts lists and diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Common hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Assembly locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 Printer trays & optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Electrical components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
6 Contents
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Figures
Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. Figure 32. Figure 33. Figure 34. Figure 35. Figure 36. Figure 37. Figure 38. Figure 39. Figure 40. Figure 41.
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Model and serial number labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back and side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions of printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions of printer with optional copier/scanner . . . . . . . . . . . . . . . Printer control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Light status legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Copier/scanner control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scanning a business card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output bin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Straight-through output door. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Printer unit functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . ECU loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview of laser/scanner operation . . . . . . . . . . . . . . . . . . . . . . . . . . High-voltage power supply circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Image formation block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Printer path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Solenoid, photosensors, and switches . . . . . . . . . . . . . . . . . . . . . . . . . Copier/scanner path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the left side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . . . . Removing the back cover (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the back cover (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the right side cover (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . Removing the right side cover (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . Removing the right side cover (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . Removing the top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the front cover (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the front cover (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the toner cartridge door (1 of 2). . . . . . . . . . . . . . . . . . . . . . Removing the toner cartridge door (2 of 2). . . . . . . . . . . . . . . . . . . . . . Removing the front guide assembly (1 of 3). . . . . . . . . . . . . . . . . . . . . Removing the front guide assembly (2 of 3). . . . . . . . . . . . . . . . . . . . . Removing the front guide assembly (3 of 3). . . . . . . . . . . . . . . . . . . . . Removing the transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the formatter (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19 20 21 22 28 28 29 30 32 36 37 37 54 58 60 61 63 64 68 70 72 74 78 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
Figures 7
Figure 42. Figure 43. Figure 44. Figure 45. Figure 46. Figure 47. Figure 48. Figure 49. Figure 50. Figure 51. Figure 52. Figure 53. Figure 54. Figure 55. Figure 56. Figure 57. Figure 58. Figure 59. Figure 60. Figure 61. Figure 62. Figure 63. Figure 64. Figure 65. Figure 66. Figure 67. Figure 68. Figure 69. Figure 70. Figure 71. Figure 72. Figure 73. Figure 74. Figure 75. Figure 76. Figure 77. Figure 78. Figure 79. Figure 80. Figure 81. Figure 82. Figure 83. Figure 84. Figure 85. Figure 86. Figure 87. Figure 88. 8 Figures
Removing the formatter (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Removing the laser/scanner (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Removing the laser/scanner (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . 100 Removing the fuser assembly (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 101 Removing the fuser assembly (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 102 Removing the fuser assembly (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 103 Removing the fuser assembly (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 104 Removing the output rollers (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Removing the output rollers (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Removing the motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Removing the solenoid (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Removing the solenoid (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 Removing the fan (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Removing the fan (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Removing the right plate assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . 112 Removing the right plate assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . 113 Removing the pickup assembly (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . 114 Removing the pickup assembly (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . 115 Removing the pickup assembly (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . 116 Removing the pickup roller shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Removing the paper lift plate assembly . . . . . . . . . . . . . . . . . . . . . . . 118 Removing the left plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 Removing the ECU pan (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Removing the ECU pan (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 Removing the ECU pan (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Removing the ECU pan (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 Removing the paper-feed assembly (1 of 4) . . . . . . . . . . . . . . . . . . . 124 Removing the paper-feed assembly (2 of 4) . . . . . . . . . . . . . . . . . . . 125 Removing the paper-feed mechanism (3 of 4) . . . . . . . . . . . . . . . . . . 126 Removing the paper-feed mechanism (4 of 4) . . . . . . . . . . . . . . . . . . 127 Control panel location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Engine test switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Locating connectors for the heating element check . . . . . . . . . . . . . . 152 Toner cartridge high-voltage connection points (right side) . . . . . . . . 153 Toner cartridge high-voltage connection points (left side) . . . . . . . . . 153 High-voltage connector assembly (right side) . . . . . . . . . . . . . . . . . . 154 High-voltage connector assembly (left side). . . . . . . . . . . . . . . . . . . . 154 Overriding SW301 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Self-test page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Repetitive image defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Main wiring (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 Main wiring (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 Locations of printer connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 Locations of copier/scanner connectors . . . . . . . . . . . . . . . . . . . . . . . 164 Locations of LEDs, jumpers, and switches. . . . . . . . . . . . . . . . . . . . . 165 Assembly locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
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Figure 89. Figure 90. Figure 91. Figure 92. Figure 93. Figure 94.
Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
176 178 180 182 184 186
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Figures 9
10 Figures
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Tables
Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Table 17. Table 18. Table 19. Table 20. Table 21. Table 22. Table 23. Table 24. Table 25. Table 26. Table 27. Table 28. Table 29. Table 30. Table 31. Table 32. Table 33. Table 34. Table 35. Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Performance of HP LaserJet 1200 printer . . . . . . . . . . . . . . . . . . . . . . 17 Performance of optional copier/scanner. . . . . . . . . . . . . . . . . . . . . . . . 17 Print operating acoustical emissions specifications . . . . . . . . . . . . . . . 18 Copy operating acoustical emissions specifications. . . . . . . . . . . . . . . 18 Skew specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Control panel light messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Media types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Life expectancies of consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Basic sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Control panel lights legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Control panel light messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Fatal error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Solving print image-quality problems . . . . . . . . . . . . . . . . . . . . . . . . . 138 Solving copying and scanning image-quality problems . . . . . . . . . . . 143 Solving print paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Solving copying and scanning paper-feed problems . . . . . . . . . . . . . 148 NVRAM PJL factory variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 Switch functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Technical support websites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Common fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Printer trays and optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . 173 Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Internal components (1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Internal components (2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 Electrical components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 Paper pickup assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 Paper pickup assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187 Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
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Tables 11
12 Chapter - Tables
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1
Product information
Chapter contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Firmware description . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Product specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 16 Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Overview of printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Front and side view . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Back and side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Overview of optional copier/scanner . . . . . . . . . . . . . . . . . . . 22 Top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Warranty statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Extended warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Toner cartridge information . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Refilled toner cartridges . . . . . . . . . . . . . . . . . . . . . . . . 25 Recycling toner cartridges . . . . . . . . . . . . . . . . . . . . . . 25
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Chapter contents 13
Introduction
The HP LaserJet 1200 printer is designed to:
!
Print--Print documents easily with the laser-quality you have come to expect from an HP LaserJet printer.
With the optional copier/scanner, you can:
!
Copy--Make superior laser-quality copies. With the software, you can make up to 99 copies of a 30-page original. You can also enlarge, reduce, adjust contrast, and collate. Scan--Scan important documents to create electronic files.
!
Hardware description
The printer provides 1200 dot-per-inch (dpi) printing. The optional copier/scanner scans at 600 dpi/ 24-bits per pixel (bpp) and contains a document feeder that holds up to 30 pages. The printer prints 15 pages per minute (ppm) on letter-size paper or 14 ppm on A4. With 1200 dpi printing resolution, the printer has exceptional text and graphics print quality. The simple control panel and improved paper handling make this product very easy to use. The printer's main input tray has a 250-sheet capacity for continuous, multiple-page printing. Manual, single-sheet printing is possible through the priority input tray. Both trays are center-justified for all supported paper sizes. The printer output bin holds up to 125 sheets. The printer has a very fast first-page-out, at less than 10 seconds. The formatter board contains 8 MB of ROM, 8 MB of RAM, and an embedded 32-bit Coldfire V3 processor. There is one DIMM slot available for DIMM expansion (supporting an 8 MB, 16 MB, 32 MB, or 64 MB DIMM). The printer engine has a 1,000 average (10,000 peak) page-permonth duty cycle. For the printer, the standard toner life is 2,500 pages, and the high capacity toner life is 3,500 pages.
14 Chapter 1 - Product information
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Firmware description
The firmware in the printer includes:
! ! ! !
Enhanced PCL 6 with status readback 80 TrueTypeTM fonts, plus Cyrillic, Greek, Hebrew, and Arabic Pixel placement, mosaic characters Memory Enhancement technology (MEt) with hardware compression and decompression
The printer firmware also has REt and EconoMode functionality. Scan capability includes 600 dpi and 24-bit color.
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Introduction 15
Product specifications
Table 1. Physical specifications Category
Height
Specification
253 mm (10 inches) without optional copier/ scanner 416 mm (16.4 inches) with optional copier/ scanner 486 mm (19.1 inches) 415 mm (16.3 inches) 7.3 kg (16.1 lb) without optional copier/scanner 8.7 kg (19.2 lb) with optional copier/scanner
Depth Width Weight (cartridge installed)
Table 2. Environmental specifications Category
Operating environment (printer plugged into an AC outlet) Storage environment (printer not plugged into an AC outlet)
Specification
! !
Temperature: 15° to 32.5° C (59° to 90.5° F) Humidity: 20% to 80% relative humidity (no condensation) Temperature: 0° to 40° C (32° to 104° F) Humidity: 10% to 90% relative humidity (no condensation)
! !
16 Chapter 1 - Product information
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Table 3. Power specifications Category
Power requirements
Specification
!
110 Vac (± 12%), 60 (± 3) Hz; 127 Vac (± 12%), 60 (± 3) Hz -Or! 220 Vac (± 12%), 50/60 (± 3) Hz ! 240 Vac (± 12%), 50 (± 3) Hz
Note
Power consumption (in continuous copy mode) Power consumption (idle) Power consumption (off) Minimum recommended circuit capacity 285 W
Power sources are not interchangeable.
7W 0W 4.5 A at 115 V 2.3 A at 230 V
Table 4. Performance of HP LaserJet 1200 printer Category
Print resolution Print speed
Specification
1200 dpi 15 ppm (Letter) 14 ppm (A4)
Table 5. Performance of optional copier/scanner Category
Scan resolution Copy speed
Specification
600 dpi optical, with 256 levels of gray and 24-bit color 12 ppm
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Introduction 17
Table 6. Print operating acoustical emissions specifications Category
Sound Power Level, LWAd (1 bel = 10 decibels) Sound Pressure Level, LpAm (operator position) Sound Pressure Level, LpAm (bystander position)
Specification
6.1 B(A) 56 dB(A) 48 dB(A)
Table 7. Copy operating acoustical emissions specifications Category
Sound Power Level, LWAd (1 bel = 10 decibels) Sound Pressure Level, LpAm (operator position) Sound Pressure Level, LpAm (bystander position)
Specification
6.4 B(A) 60 dB(A) 50 dB(A)
Table 8. Skew specifications Category
Print skew--left
Specification
0.8% (2 mm over 250 mm in length) for cut-sheet media) 1.5% (3.3 mm over 220 mm in length) for cut-sheet media 0.87 (1.65 mm over 190 mm in width) for cut-sheet media
Print skew--right Cut-sheet leading edge skew Scan skew
1.5% (3.3 mm over 220 mm in width) for envelopes, postcards, A5, and cut-sheet media 0.87% (1.6 mm over 190 mm in width) 1.2%
18 Chapter 1 - Product information
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Model and serial numbers
The model number and serial number are listed on an identification label located on the inside of the toner cartridge door. The serial number contains information about the country of origin, revision level, production code, and production number of the printer. The label also contains power rating and regulatory information.
Figure 1.
Model and serial number labels
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Model and serial numbers 19
Overview of printer
Front and side view
2 1 8
3 7 6 5 4
Figure 2.
Front and side view 1 2 3 4 5 6 7 8 Printer control panel Long media extension (output bin) Toner cartridge door Priority input tray Side media guides for the main input tray Media support for the main input tray Main input tray Side media guides for the priority input tray
20 Chapter 1 - Product information
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Back and side view
9
10
16
15
14
13
12
11
Figure 3.
Back and side view 9 Fuser pressure release levers
10 Connection to optional copier/scanner 11 Left side cover 12 Parallel port 13 USB port 14 Power receptacle 15 Power switch (220-240 volt printers) 16 Straight-through output door
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Overview of printer 21
Overview of optional copier/scanner
Top view
1 2
8
3
4
7
5
6
Figure 4.
Top view 1 2 3 4 5 6 7 8 Media input tray guides Copier/scanner door Straight-through output door Copier/scanner door release button Long media extensions Media output bin Copier/scanner control panel Media input tray
Note
See "Optional copier/scanner" on page 81 for more information about removing the optional copier/scanner from the printer.
22 Chapter 1 - Product information
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Warranty statement
DURATION OF WARRANTY: One year from date of purchase.
1
HP warrants to you, the end-user customer, that HP hardware, accessories, and supplies, will be free from defects in materials and workmanship after the date of purchase, for the period specified above. If HP receives notice of such defects during the warranty period, HP will, at its option, either repair or replace products which prove to be defective. Replacement products may be either new or like-new. HP warrants to you that HP software will not fail to execute its programming instructions after the date of purchase, for the period specified above, due to defects in material and workmanship when properly installed and used. If HP receives notice of such defects during the warranty period, HP will replace software media which does not execute its programming instructions due to such defects. HP does not warrant that the operation of HP products will be uninterrupted or error free. If HP is unable, within a reasonable time, to repair or replace any product to a condition as warranted, you will be entitled to a refund of the purchase price upon prompt return of the product. HP products may contain remanufactured parts equivalent to new in performance or may have been subject to incidental use. Warranty does not apply to defects resulting from (a) improper or inadequate maintenance or calibration, (b) software, interfacing, parts, or supplies not supplied by HP, (c) unauthorized modification or misuse, (d) operation outside of the published environmental specifications for the product, or (d) improper site preparation or maintenance. HP MAKES NO OTHER EXPRESS WARRANTY OR CONDITION WHETHER WRITTEN OR ORAL. TO THE EXTENT ALLOWED BY LOCAL LAW, ANY IMPLIED WARRANTY OR CONDITION OR MERCHANTABILITY, SATISFACTORY QUALITY, OR FITNESS FOR A PARTICULAR PURPOSE IS LIMITED TO THE DURATION OF THE EXPRESS WARRANTY SET FORTH ABOVE. Some countries, states, or provinces do not allow limitations on the duration of an implied warranty, so the above limitation or exclusion might not apply to you. This warranty gives you specific legal rights and you might also have other rights that vary from country to country, state to state, or province to province.
2
3
4 5
6
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Warranty statement 23
7
TO THE EXTENT ALLOWED BY LOCAL LAW, THE REMEDIES IN THIS WARRANTY STATEMENT ARE YOUR SOLE AND EXCLUSIVE REMEDIES. EXCEPT AS INDICATED ABOVE, IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL (INCLUDING LOST PROFIT OR DATA), OR OTHER DAMAGE, WHETHER BASED IN CONTRACT, TORT, OR OTHERWISE. Some countries, states, or provinces do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. FOR CONSUMER TRANSACTIONS IN AUSTRALIA AND NEW ZEALAND, THE WARRANTY TERMS CONTAINED IN THIS STATEMENT, EXCEPT TO THE EXTENT LAWFULLY PERMITTED, DO NOT EXCLUDE, RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU.
Extended warranty
HP SupportPack provides coverage for the HP hardware product and all HP-supplied internal components. The hardware maintenance warranty covers a three-year period from the date of the HP product purchase. The customer must purchase the HP SupportPack within 90 days of the HP product purchase. The document number is 9036. Customers can contact the nearest HP-authorized dealer about this service.
24 Chapter 1 - Product information
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Toner cartridge information
The toner cartridge is designed to simplify replacement of the major consumable parts. The toner cartridge contains the printing mechanism and a supply of toner. At five percent page coverage, a toner cartridge will print approximately 2,500 pages. However, a toner cartridge should print more pages if it regularly prints pages with less coverage, such as short memos. The cartridge might print fewer pages if heavy or bold print is used. For best results, always use a toner cartridge before the expiration date stamped on the toner cartridge box.
Refilled toner cartridges
While Hewlett-Packard does not prohibit the use of refilled toner cartridges during the warranty period or while the printer is under a maintenance contract, it is not recommended for the following reasons:
!
Repairs resulting from the use of refilled toner cartridges are not covered under Hewlett-Packard warranty or maintenance contracts. Hewlett-Packard has no control or process to ensure that a refilled toner cartridge functions at the high level of reliability of a new HP LaserJet toner cartridge. Hewlett-Packard also cannot predict the long term reliability effect on the printer from using different toner formulations found in refilled cartridges. The print quality of HP LaserJet toner cartridges influences the customer's perception of the printer. Hewlett-Packard has no control over the actual print quality of a refilled toner cartridge.
!
!
Recycling toner cartridges
In order to reduce waste, Hewlett-Packard offers a recycling program. Cartridge components that do not wear out are recycled. Plastics and other materials are recycled. Hewlett-Packard pays the shipping costs from the user to the recycling plant (within the United States). To join this recycling effort, follow the instructions inside the toner cartridge box.
EN
Toner cartridge information 25
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2
Installation and operation
Chapter contents
Operating environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Identifying printer components . . . . . . . . . . . . . . . . . . . . . . . . 29 Printer control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Control panel light patterns. . . . . . . . . . . . . . . . . . . . . . 30 Copier/scanner control panel . . . . . . . . . . . . . . . . . . . . 32 Selecting media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Selecting media to print . . . . . . . . . . . . . . . . . . . . . . . . 33 Selecting media to copy or scan. . . . . . . . . . . . . . . . . . 34 Loading media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Loading media to print . . . . . . . . . . . . . . . . . . . . . . . . . 35 Loading media to copy or scan. . . . . . . . . . . . . . . . . . . 36 Printer output paths . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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Chapter contents 27
Operating environment
Place the printer on a sturdy, level surface in a well-ventilated area that meets the following environmental requirements:
! ! ! !
temperature: 10° to 32.5° C (50° to 90.5° F) humidity: 20% to 80% relative humidity (no condensation) away from direct sunlight, open flames, and ammonia fumes sufficient space around the printer to allow for proper access and ventilation
253 mm (10.0 inches)
643 mm (25.3 inches)
Figure 5.
Dimensions of printer
416 mm (16.4 inches)
643 mm (25.3 inches) Figure 6. Dimensions of printer with optional copier/scanner
28 Chapter 2 - Installation and operation
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Identifying printer components
Printer control panel
The printer control panel has two lights and one lighted button. These lights produce patterns that identify the printer status.
Ready light (green) Go button and light (green)
Attention light (amber)
Figure 7.
Printer control panel
!
GO button and light--Prints self-test pages. (To print a self-test page or to continue printing while in manual feed mode, press and release the GO button.) Ready light--Indicates that the printer is ready to print. Attention light--Indicates that the main input tray is empty, toner cartridge door is open, toner cartridge is missing, or other errors.
! !
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Identifying printer components 29
Control panel light patterns
Light off Light on Light blinking
Figure 8.
Light status legend
Table 9. Control panel light messages Light status Condition of the printer
Ready The printer is ready to print.
Action
No action is necessary. To print a self-test page, press and release the GO button on the printer control panel.
Processing The printer is receiving or processing data.
Wait for the job to print.
Manual feed or out of memory The printer is in manual feed mode or out of memory. You can continue printing.
Make sure that you have loaded the correct media. To continue printing, press and release the GO button. The software controls manual feed. If you do not want the printer to be in manual feed mode, change the setting from the printer properties. See the printer software for more information. The page being printed might be too complex for the printer memory capacity. ! To continue printing, press and release the GO button. ! Reduce the resolution. See the user guide for more information. ! Add more memory. See the user guide for more information.
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Table 9. Control panel light messages (continued) Light status Condition of the printer
Door open, media out, no toner cartridge, or paper jam The printer is in an error state that requires operator intervention or help.
Action
! !
!
!
Make sure that the toner cartridge door is completely closed. Make sure that the media is loaded correctly. See the user guide for instructions. Make sure that the toner cartridge is correctly installed in the printer. See the user guide for instructions. If the printer still has an error, there is a paper jam. See the user guide for instructions.
Printer initialization/Cancel Job/Cleaning Mode A printer initialization is taking place. If all lights blink for half of a second or longer in a sequence: the printer is initializing all previously sent print jobs are being purged a cleaning page is being printed Fatal error All lights are on.
No action is necessary.
! ! !
Turn the printer off and then back on. Unplug the printer for five minutes, and then plug it back in. If the printer still has an error, see chapter 6, "Troubleshooting." Remove the DIMMs and reseat. See the user guide for instructions. If the printer still has an error, replace the DIMMs.
Accessory error All lights are blinking.
! !
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Identifying printer components 31
Copier/scanner control panel
The control panel on the optional copier/scanner has two buttons, COPY and SCAN.
COPY button and light (clear) SCAN button and light (clear)
Figure 9.
Copier/scanner control panel
! !
Copy--To perform Quick Copies, even if your computer is turned off, press the COPY button. Scan--To launch HP LaserJet Director, press the SCAN button. If HP LaserJet Director is configured correctly, you can perform the following tasks: · Scan documents to e-mail · Store documents electronically · Edit text with Optical Character Recognition (OCR) · Make multiple, customized, and color copies
Note
To cancel a scan or copy job from the control panel, simultaneously press both buttons.
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Selecting media
Selecting media to print
You can use paper with up to 100 percent recycled fiber content if it meets specifications. To order HP paper or the Print Media Guide for the HP LaserJet printer family, see the user guide. Highly textured stock might not print evenly. Very glossy paper might jam or repel toner. Multipart forms can wrinkle or get jammed in the printer. And paper in poor condition, such as paper with tears, wrinkles, or bent edges, can jam. Avoid envelopes that have a very slick finish, ones that have self-stick adhesives, or those with clasps or windows. Also avoid envelopes with thick, irregular, or curled edges, or areas that are wrinkled, torn, or otherwise damaged. Use a sturdy envelope of approximately 60 to 90 g/m2 (16 to 24 lb) weight. Use tightly constructed envelopes, and make sure that the folds are sharply creased. The main input tray can hold up to 250 sheets of 75 g/m2 (20 lb) print media. The priority input tray can hold up to 10 sheets, one envelope, or one piece of heavy media. Both can be adjusted to hold media measuring from 76.2 by 127 mm (3 by 5 inches) to 216 by 356 mm (8.5 by 14 inches). This includes, but is not limited to, the following paper and envelope sizes: Table 10. Media types Paper type
Letter Legal Executive A4 COM10 Envelopes DL Envelopes C5 Envelopes B5 Envelopes Monarch Envelopes Custom size media
Metric
216 by 279 mm 216 by 356 mm 184 by 267 mm 210 by 297 mm 105 by 241 mm 110 by 220 mm 162 by 229 mm 176 by 250 mm 98.5 by 191 mm custom
English
8.5 by 11 in 8.5 by 14 inches 7.25 by 10.5 inches 8.25 by 11.75 inches 4.13 by 9.5 inches 4.33 by 8.67 inches 6.4 by 9 inches 6.9 by 9.85 inches 3.88 by 7.5 inches custom
Note
Narrow and heavy media can cause the printer to print slower.
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Selecting media 33
Selecting media to copy or scan
The copier/scanner for the printer can handle a broader range of media sizes and types than the printer itself can. The following are the supported media sizes:
! !
Minimum: 45 by 89 mm (1.7 by 3.5 inches) Maximum: 216 by 356 mm (8.5 by 14 inches)
In addition, you can scan and copy many different types of media that are typically not used for printing, such as newsprint, photographs, business receipts, and business cards. Note You must use a carrier sheet to feed small or delicate originals, such as newsprint, through the copier/scanner without causing a jam. To make a carrier sheet, use a piece of paper and a transparency, tape the leading edges together, and load your original between the sheets. You must feed business cards and any media that is smaller than 76.2 by 27 mm (3 by 5 inches) through the straight-through output path. You can also tape them to the leading edge of a carrier sheet and feed them to the straight-through output bin. Perform the following actions to minimize the possibility of jams:
! ! ! ! ! ! ! !
Note
Remove self-stick notes. Remove staples and paper clips. Straighten any curls or wrinkles in documents before putting them into the document feeder tray. Do not insert any document with glue, correction fluid, or wet ink on it. Do not insert gum-backed paper or labels. Place documents with tears, perforations, or punch holes in a carrier sheet, which you can buy or make. (See the user guide.) Avoid multiple-copy forms. Do not scan originals that are larger or smaller than supported size limitations. See the user guide for more information.
Note
To obtain good results, it is important that you use the correct resolution and color settings for your job. See the user guide for more information.
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Loading media
Loading media to print
Main input tray
The main input tray holds up to 250 sheets of 75 g/m2 (20 lb) paper or a 25 mm (0.98 inches) stack of heavier media. Load media with the top forward and the side to be printed facing up. To prevent jams and skew, always adjust the side media guides.
Priority input tray
The priority input tray holds up to ten pages of 75 g/m2 (20 lb) paper or one envelope, transparency, or card. Load media with the top forward and the side to be printed facing up. To prevent jams and skew, always adjust the side media guides. CAUTION If you try to print on media that is wrinkled, folded, or damaged in any way, a jam might occur. See the user guide for more information. When you add new media, make sure that you remove all of the media from the input tray and straighten the stack of new media. This helps prevent multiple sheets of media from feeding through the printer at one time, reducing paper jams.
Note
Specific types of media
!
Transparencies and labels: Load transparencies and labels with the top forward and the side to be printed facing up. See the user guide for more information. Envelopes: Load envelopes with the narrow, stamp side forward and the side to be printed facing up. See the user guide for more information. Letterhead or preprinted forms: Load with the top forward and the side to be printed facing up. See the user guide for more information. Cards and custom-sized media: Load with the narrow side forward and the side to be printed facing up. See the user guide for more information.
!
!
!
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Loading media 35
Loading media to copy or scan
To load originals in the optional copier/scanner: 1 Load the original with the side to be scanned facing up. If you scan a business card: a Load it with the long side (callout 1) facing forward and the text facing up. b Use the straight-through output path. See the user guide for more information. 2 3 Note Adjust the media guides. Press SCAN to scan or press COPY for a copy.
When you add new originals, always remove the originals from the input tray and straighten the stack. Small originals will cause a jam if they are not loaded correctly.
CAUTION
2 1
Figure 10. Note
Scanning a business card If you are editing text (OCR), make sure that the top edge of the original is the leading edge, and make sure that the text is facing up. For more information, see the user guide.
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Printer output paths
Output bin
The output bin is located on the top of the printer. Printed media is collected here in the correct sequence when the straight-through output door is closed. Use the output bin when printing normal and large, collated documents.
Extend for long media.
Figure 11.
Output bin
Straight-through output path
The straight-through output path is useful when you are printing envelopes, transparencies, heavy media, or any media that tends to curl when printed. Printed media exits in reverse order when the straight-through output door is open.
Figure 12. Note
Straight-through output door Printed media does not stack when you use the straight-through output path. The media drops to the surface below unless you remove each sheet as it exits the printer. Loading media 37
EN
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3
Maintenance
Chapter contents
Life expectancies of consumables . . . . . . . . . . . . . . . . . . . . . 40 User-replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Replacing the printer pickup roller . . . . . . . . . . . . . . . . 41 Replacing the printer separation pad . . . . . . . . . . . . . . 43 Replacing the copier/scanner separation pad . . . . . . . 45 Cleaning the equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Cleaning the print path . . . . . . . . . . . . . . . . . . . . . . . . . 47 Cleaning the toner cartridge area . . . . . . . . . . . . . . . . . 48 Cleaning the printer pickup roller . . . . . . . . . . . . . . . . . 49 Cleaning the printer separation pad . . . . . . . . . . . . . . . 50 Cleaning and recalibrating the copier/scanner . . . . . . . 51 Cleaning the scanner path . . . . . . . . . . . . . . . . . . . . . . 51
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Chapter contents 39
Life expectancies of consumables
Inspect consumables when servicing the printer. Replace consumables as needed, based on failure or wear, rather than on usage. The following table lists approximate schedules for replacing consumables.
Table 11. Life expectancies of consumables
Description Toner cartridge (user replaceable) Part number C7115A C7115X Estimated life Remarks (pages) 2,500 3,500 When print becomes faint, redistribute toner in the cartridge by gently shaking the cartridge from side to side. Can affect print quality and/or paper movement. Look for glazing and/or cracks. Can affect paper movement. Can affect paper movement. Can affect print quality and paper movement. Can affect print quality and paper movement. Can affect document movement. Can affect document movement.
Printer transfer roller Printer pickup roller Printer separation pad Printer subpads Fuser assembly (100-127 V) Fuser assembly (220-240 V)
RG9-1483-000CN RF0-1008-000CN RF0-1014-000CN RA0-1065-000CN RG9-1493-000CN RG9-1494-000CN
25,000 25,000 25,000 25,000 25,000 25,000 10,000 10,000
Copier/scanner separation RY7-5055-000CN pad kit Copier/scanner R37-5020-000CN
* The estimated toner cartridge life is based on letter- or A4-sized paper with an average of five percent toner coverage and a medium density setting. Toner cartridge life can be extended further by conserving toner using draft mode settings.
User-replaceable parts
Replace the copier/scanner separation pad, the printer pickup roller, and the printer separation pad when the parts are near the end of their life expectancies or if media frequently misfeeds.
40 Chapter 3 - Maintenance
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1
Replacing the printer pickup roller
If the printer regularly misfeeds (no media feeds through), you might have to replace or clean the pickup roller.
2
CAUTION Failure to complete this procedure might damage the printer. 1 2 Unplug the power cord from the printer, and allow the printer to cool. Open the toner cartridge door, and remove the toner cartridge. Locate the pickup roller. Release the small, white tabs on each side of the pickup roller by pushing them away from the roller, and then rotate the pickup roller toward the front. Gently pull the pickup roller up and out.
3
3 4
4
5
5
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User-replaceable parts 41
6
6
Position the new pickup roller in the slot of the previous pickup roller.
Note Circular and rectangular pegs on each side prevent you from incorrectly positioning the pickup roller. 7 7 Rotate the top of the new pickup roller into position until the white tabs on each side of the roller snap the roller into place. Reinstall the toner cartridge, and close the toner cartridge door. Plug the printer in to turn it back on.
8 9 8
9
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1
Replacing the printer separation pad
Note Before you change the separation pad, clean the pickup roller. See "Cleaning the printer pickup roller" on page 49 for instructions. If the input tray feeds more than one page at a time, you might have to replace the printer separation pad. Recurring feed problems indicate that the printer separation pad is worn.
2
3
1 2 3 4
Unplug the power cord from the printer, and allow the printer to cool. Remove the input trays. Locate the blue separation pad. To pry the separation pad up from the spring-loaded base, insert a flatedged screwdriver in the slot under the separation pad and twist until the tabs are free. Reach in through the input tray opening, push the spring-loaded base down with one hand, and pull the separation pad up with the other hand.
4
5
5
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User-replaceable parts 43
6
6
With one hand, reach through the input tray opening, and push the spring-loaded base down. With the other hand, position the new separation pad in the slot of the previous separation pad.
7
Note The tab on the right is larger to help you position the separation pad correctly. 7 Snap both sides of the separation pad firmly into place.
8
CAUTION Make sure that the separation pad is straight and that there is no space between the separation pad and the spring-loaded base. If the separation pad is not straight or you see space on one side, remove the separation pad, make sure that the larger tab is on the right, reinsert the separation pad, and snap both sides into place. 8 Reinstall the input trays, and then plug the printer in to turn it back on.
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1
Replacing the copier/ scanner separation pad
If the optional copier/scanner feeds more than one page at a time, you might have to replace the copier/scanner separation pad. Recurring feed problems indicate that the pad is worn. 1 Unplug the printer to turn the power off, and wait for the copier/scanner to cool. Press the copier/scanner door release button and open the copier/ scanner door. Locate the copier/scanner separation pad and lift it straight up. Press the new pad into place. Close the copier/scanner door.
2
2
3
3 4 5
4
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User-replaceable parts 45
Cleaning the equipment
WARNING! Before you perform these steps, unplug the printer to avoid shock hazard. To maintain quality, thoroughly clean the printer:
! ! !
Any time a new toner cartridge is installed. After printing approximately 2,500 pages. Whenever print quality problems appear.
Clean the outside of the printer with a water-dampened cloth. Clean the inside with only a dry, lint-free cloth (such as a lens tissue). To avoid permanent damage to the toner cartridge, do not use ammonia-based cleaners on or around the printer. WARNING! Avoid touching the heating element in the fuser. It might be very hot and can cause burns. Do not touch the surface of the black sponge transfer roller. Contaminants on the roller can cause print quality problems.
CAUTION
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Cleaning the print path
Use this process if you discover toner specks or dots on printouts. This process produces a transparency with toner debris, which should be discarded. Note This process requires a transparency to remove dust and toner from the print paper path. Do not use bond or rough paper. Make sure the transparency you use meets media requirements for the printer. If transparency film is unavailable, you can use paper. If you must use paper, perform the procedure two or three times to ensure proper cleaning.
1 2 3
Load a transparency in the priority input tray. Make sure that the printer is in the Ready state. Press and hold the GO button for 10 seconds. The transparency feeds through the printer slowly. Discard the transparency.
Note
After you press and hold the GO button, the three printer lights blink until the cleaning process is complete.
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Cleaning the equipment 47
1
Cleaning the toner cartridge area
Cleaning the toner cartridge area can improve the quality of your printed sheets.
2
WARNING! Before cleaning the printer, disconnect it from the power source and wait for the printer to cool. 1 Open the toner cartridge door, and remove the toner cartridge.
3
CAUTION To prevent damage, do not expose the toner cartridge to light. Cover the toner cartridge if necessary. Also, do not touch the black sponge transfer roller inside the printer. Touching it can reduce the print quality of output. 2 Wipe the media path area and the toner cartridge cavity with a dry, lintfree cloth.
4
Note Use only a dry, lint-free cloth to remove dust and toner. Using a vacuum or other device to clean inside the product can damage it. 3 4 Replace the toner cartridge, and close the toner cartridge door. Plug the power cord back into the printer.
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1
Cleaning the printer pickup roller
If you want to clean the pickup roller rather than replace it, follow the instructions below:
2
Remove the pickup roller as described in steps 1 through 5 of "Replacing the printer pickup roller" on page 41. 1 Dampen a li