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Service Manual
HP LaserJet 2100
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Warranty WARNING © Copyright Hewlett-Packard Company The information contained in Electrical Shock Hazard 1999 this document is subject to change without notice. To avoid electrical shock, use All Rights Reserved. only supplied power cords and Reproduction, adaptation, or Hewlett-Packard makes no connect only to properly translation without prior written warranty of any kind with grounded wall outlets. permission is prohibited, regard to this material, except as allowed under the inc
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Conventions This manual uses the following conventions: The names of major printer parts and assemblies are Capitalized. Color is used to emphasize items which are important to the material under discussion. Bold is used for emphasis, particularly in situations where italic type would be confusing. Italic type is used to indicate related documents or emphasis. NOTE: Notes contain important information set off from the text. CAUTION: Caution messages alert you to the possibility of damage to equi
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Chapter Descriptions Chapter 1: Product Information This chapter describes features of the printer, including locations of external and internal assemblies, and gives safety and regulatory information. Use this chapter to form a basic service approach, and to get technical assistance. Chapter 2: Operating Requirements Chapter 2 details site requirements, including space and environmental specifics. The chapter also defines specifications for paper and other media with this printer. Chapter 3:
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Index The index is an alphabetical, cross-referenced listing of information found in the main body of the manual. C4170-90959 5
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Contents Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1 Product Information Printer Description and Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
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Testing Media Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3 Printer Configuration Using the Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Display LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Job Cancel Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Go Button . . . . . . . . . . . . . .
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Paper Feed Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Microswitch Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Motor Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Fusing Assembly Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Power Supply and Control . . . . . . . . . . . . . . . . . . . .
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7 Removal and Replacement Removal and Replacement Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 Required Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Parts Removal Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Toner Cartridge Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Tray 2 Removal . . . . . . . . . . . .
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8 Parts and Diagrams External Covers and Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Top Cover Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 Internal Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Fuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Printer Drive Assembly . . . . . . .
