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Service Manual
HP LaserJet 2100

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  • Page 1

    Service Manual HP LaserJet 2100...

  • Page 2

    Publication number a particular purpose. C4170-90959 Hewlett-Packard shall not be First edition, February 1999 liable for errors contained herein or for incidental or Trademark Credits consequential damages in connection with the furnishing,...

  • Page 3: Conventions

    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.

  • Page 4

    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.

  • Page 5

    Index The index is an alphabetical, cross-referenced listing of information found in the main body of the manual. C4170-90959...

  • Page 6: Table Of Contents

    Contents Conventions ..........3 1 Product Information Printer Description and Features.

  • Page 7: Table Of Contents

    Testing Media Specifications ........37 3 Printer Configuration Using the Control Panel .

  • Page 8: Table Of Contents

    Paper Feed Control ......... . . 78 Microswitch Control .

  • Page 9: Table Of Contents

    7 Removal and Replacement Removal and Replacement Strategy ....... . 152 Required Tools .

  • Page 10: Table Of Contents

    8 Parts and Diagrams External Covers and Panels ........254 Top Cover Assembly .

  • Page 11: Table Of Contents

    Product Information Contents Printer Description and Features - - - - - - - - - - - - - - 2 Identification - - - - - - - - - - - - - - - - - - - - - - - - 4 Specifications - - - - - - - - - - - - - - - - - - - - - - - 5 Product Overview - - - - - - - - - - - - - - - - - - - - - 6 Safety Information - - - - - - - - - - - - - - - - - - - - - 9...

  • Page 12: Printer Description And Features

    Printer Description and Features Table 1-1. Printer Description and Features Print Speed 10 pages-per-minute printing (with Intel 80960JD 66 MHz RISC- based formatter and 33 MHz BUS). Print Quality True 1200 x 1200 dots per inch (dpi) text and graphics. Resolution Enhancement technology (REt) (600 dpi only).

  • Page 13

    (DIMM) slots. The third slot is used for the HP PostScript language DIMM. Energy Savings The printer automatically conserves electricity by substantially reducing power consumption when not printing. As an E partner, Hewlett-Packard Company has NERGY determined that this product meets E guidelines for NERGY energy efficiency.

  • Page 14: Identification

    Identification The serial number and the model number are listed on the identification label located on the rear output bin. The serial number contains information about the Country of Origin, the Revision Level, the Production Code, and the production number of the printer. As shown in figure 1-1, the label also contains power rating and regulatory information.

  • Page 15: Specifications

    Specifications Table 1-3. Physical Specifications HP LaserJet 2100 HP LaserJet 2100 with Optional Tray 3 Height 230 mm (9 in.) 309 mm (12.2 in.) Width 406 mm (15.9 in.) 406 mm (15.9 in.) Depth (body) 420 mm (16.5 in.) 420 mm (16.5 in.) Weight (with toner cartridge) 11.5 kg (25.4 lbs) 14.4 kg (31.7 lbs)

  • Page 16: Product Overview, External Assembly Locations

    Product Overview External Assembly Locations Figure 1-2 External Assembly Locations (1 of 4) Top cover Top output bin (face-down) Tray 1 I/O cover Expansion trays Tray 2 Control panel DIMM cover Figure 1-3 External Assembly Locations (2 of 4) Rear output bin (face-up) Power switch Engine test Power receptacle...

  • Page 17: C4170-90959

    Figure 1-5 External Assembly Locations (4 of 4) Tray 3 Tray 3 assembly C4170-90959 Product Overview 7...

  • Page 18: Internal Assembly Locations

    Internal Assembly Locations Figure 1-6 Internal Assembly Locations (1 of 2) Laser scanner assembly Developing cylinder Primary charging Toner cartridge Delivery roller roller Registration shutter Tray 1 pickup roller Tray 1 Fusing film Registration rollers Figure 1-7 Internal Assembly Locations (2 of 2) Tray pickup rollers Tray Separation pads Tray 2...

  • Page 19: Safety Information, Laser Safety, Laser Statement For Finland, C4170-90959

    Safety Information Laser Safety The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration has implemented regulations for laser products manufactured since August 1, 1976. Compliance is mandatory for products marketed in the United States. The printer is certified as a Class 1 laser product under the U.S.

  • Page 20: Led Safety

    HP LaserJet 2100 -kirjoittimen sisällä ei ole käyttäjän huollettavissa olevia kohteita. Laitteen saa avata ja huoltaa ainoastaan sen huoltamiseen koulutettu henkilö. Tällaiseksi huoltotoimenpiteeksi ei katsota väriainekasetin vaihtamista, paperiradan puhdistusta tai muita käyttäjän käsikirjassa lueteltuja, käyttäjän tehtäväksi tarkoitettuja ylläpitotoimia, jotka voidaan suorittaa ilman erikoistyökaluja. VARO! Mikäli kirjoittimen suojakotelo avataan, olet alttiina näkymättömälle lasersäteilylle laitteen ollessa toiminnassa.

  • Page 21: Declaration Of Conformity

    Declaration of Conformity C4170-90959 Safety Information 11...

  • Page 22: Toner Safety, Ozone Emission

    Toner Safety Composed of plastic and minute colored components, toner is a non-poisonous substance. If toner adheres to skin or clothes, remove as much of it as possible with dry tissue paper, and then wash with cold water. Hot water causes toner to gel and become difficult to remove.

  • Page 23: Environmental Product Stewardship Program, Protecting The Environment

    Environmental Product Stewardship Program Protecting the Environment Hewlett-Packard Company is committed to providing quality products in an environmentally sound manner. This HP LaserJet printer has been designed with several attributes to minimize impacts on our environment. This HP LaserJet printer design reduces:...

  • Page 24

    Plastics Plastic housing parts have markings according to international standards that enhance the ability to identify plastics for recycling purposes at the end of the printer’s life. HP LaserJet Printing Supplies In many countries, this product’s printing supplies (e.g., toner cartridge, drum, fuser) can be returned to HP through the HP Planet Partners Printing Supplies Environmental Program.

  • Page 25: Fcc Regulations

    FCC Regulations This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy.

  • Page 26: Service Approach, Bench Repair Warranty, Hp Express Exchange, Ordering Parts

    HP ships a refurbished replacement unit to arrive the next day. (Geographic distance might prevent next-day shipping.) The customer sends the defective printer to Hewlett-Packard at HP's expense. Customers with on-site support service provided by HP should work directly with the local Customer Care Center instead of following the steps outlined here.

  • Page 27: Ordering Consumables, Ordering Related Documentation

    Ordering Consumables Consumables and accessories can be ordered directly from Hewlett-Packard. Telephone numbers for ordering consumables are as follows: U.S. 1-800-538-8787 Canada 1-800-387-3154 Toronto 416-671-8383 United Kingdom 0734-441212 Germany 0130-3322 Ordering Related Documentation The following table shows where to order related documentation. Telephone numbers for the...

  • Page 28: Technical Assistance, Hp First

    Technical Assistance HP ASAP HP ASAP (Automated Support Access Program) provides free technical support information 24 hours a day, 7 days a week. HP ASAP includes HP FIRST and HP AUDIO-TIPS, which are both explained below. HP ASAP requires a touch-tone telephone. HP FIRST HP FIRST (Fax Information Retrieval Support Technology) is a telephone-in fax service providing technical information for HP LaserJet users as well as service personnel.

  • Page 29: Hp Audio-tips, Hp Support

    (CompuServe is also available in the U.K., France, Belgium, Switzerland, Germany, and Austria.) Obtaining software utilities, Phone: Mail: drivers, and electronic (805) 257-5565 Hewlett-Packard Co. Information for U.S. and P.O. Box 1754 Fax: Canada: Greeley, CO 80632 (805) 257-6866 U.S.A.

  • Page 30: Customer Support Worldwide

    Customer Support Worldwide Customer Support and Product Repair Call (1) (208) 323-2551 Monday through Friday from 6 am Assistance for the U.S. and Canada: to 10 pm, Saturday 9 am to 4 pm (Mountain Time). Call 1-800-243-9816 to locate the nearest HP-Authorized service provider, or call 208-223-2551 for HP centralized service dispatch.

  • Page 31: Worldwide Sales And Service Offices

    Extended Warranty Support: Phone: (61) (3) 272-2577 Customer Information Center: Phone: (61) (3) 272-8000 Austria Belgium Hewlett-Packard GmbH Hewlett-Packard Belgium S.A. NV Lieblgasse 1 Boulevard de la Woluwe-Woluwedal 100-102 A-1222 Vienna B-1200 Brussels Phone: (43) (1) 25000-555 Phone: (32) (2) 778-31-11...

  • Page 32

    Far East Region Finland Hewlett-Packard Asia Pacific Ltd. Hewlett-Packard Oy 17-21/F Shell Tower, Times Square Piispankalliontie 17 1 Matheson Street, Causeway Bay FIN-02200 Espoo Hong Kong Phone: (358) (9) 887-21 Phone: (852) 2599-7777 Fax: (358) (9) 887-2477 Fax: (852) 2506-9261...

  • Page 33

    Latin American Headquarters Mexico 5200 Blue Lagoon Drive Suite 950 Hewlett-Packard de México, S.A. de C.V. Miami, FL 33126,USA Prolongacion Reforma No. 700 Phone: (1) (305) 267-4220 Lomas de Santa Fe 01210 México, D.F. Phone: 01-800-22147 Outside Mexico City Phone:...

  • Page 34

    (44) (134) 436-9222 Phone: (90) (212) 224-5925 Fax: (44) (134) 436-3344 Fax: (90) (212) 224-5939 Venezuela Hewlett-Packard de Venezuela S.A. Los Ruices Norte 3A Transversal Edificio Segre Caracas 1071 Phone: (58) (2) 239-4244 Fax: (58) (2) 239-3080 24 Chapter 1 Product Information...

  • Page 35: Operating Requirements

    Operating Requirements Contents Site Requirements - - - - - - - - - - - - - - - - - - - - 26 Media Specifications - - - - - - - - - - - - - - - - - - - 28 C4170-90959 Contents 25...

  • Page 36: Site Requirements, Operating Environment

    Site Requirements Operating Environment The electrical and environmental specifications listed in “Specifications” (page 5) must be maintained to ensure the proper operation of this printer. Consider the following points before installing the printer: • Install in a well-ventilated, dust-free area. •...

  • Page 37: Printer Space Requirements

    Printer Space Requirements Figure 2-1 Printer Space Requirements C4170-90959 Site Requirements 27...

  • Page 38: Media Specifications, General Media Specifications

    Hewlett-Packard has no control. CAUTION: Using paper that does not meet HP specifications may cause problems for the printer, requiring repair. This repair is not covered by the Hewlett-Packard warranty or service agreements. 28 Chapter 2 Operating Requirements C4170-90959...

  • Page 39: Guidelines For Selecting Paper

    Guidelines for Selecting Paper To achieve the best possible print quality, use only high-quality, copier-grade 24 lb (90 g/m paper. Make sure the paper is of good quality, and free of cuts, nicks, tears, spots, loose particles, dust, wrinkles, voids, and curled or bent edges. The following problems with paper can cause print quality deviations, jamming, or even damage to the printer.

  • Page 40: Media Input Options

    Media Input Options The printer comes with two paper trays. By default, the printer draws first from Tray 1. If Tray 1 is empty, the printer draws from Tray 2 (or optional Tray 3 if it is installed). Tray 1 Tray 2 Optional Tray 3 30 Chapter 2 Operating Requirements...

  • Page 41: Tray 1 Media Sizes

    Tray 1 Media Sizes Tray 1 adjusts for sizes from 76 by 127 mm (3 by 5 inches) to 216 by 356 mm (8.5 by 14 inches). Tray 1 should be used when printing the following: • Envelopes • Labels •...

  • Page 42: Tray 2 And Optional Tray 3 Paper Sizes, Envelope Specifications

    Tray 2 and Optional Tray 3 Paper Sizes Tray 2 and optional Tray 3 have settings for the paper sizes shown in the following table. Use only standard copier paper when printing from Tray 2 or optional Tray 3. Other types of printable media might jam when printing from Tray 2 or optional Tray 3.

  • Page 43: Envelopes With Adhesive Strips Or Flaps, Envelope Storage

    NOTE: Use only Tray 1 to print envelopes. Some paper jams might occur when using any media with a length less than 178 mm (7 in.). This might be caused by paper that has been affected by environmental conditions. Envelopes might meet the general specifications listed in table 2-4 and still not print satisfactorily because of the printing environment or other variables over which HP has no control.

  • Page 44

    Envelopes with Double Side Seams Double side-seam construction has vertical seams at both ends of the envelope rather than diagonal seams. This style may be more likely to wrinkle. Be sure the seam extends all the way to the corner of the envelope as illustrated below. Correct Incorrect Envelope Margins...

  • Page 45: Label Specifications

    Label Specifications When selecting labels, consider the quality of each component: • Adhesives: The adhesive material should be stable at 200 degrees C (392 degrees F), which is the printer’s fusing temperature. • Arrangement: Only use labels with no exposed backing between them. Labels can peel off sheets with spaces between the labels, causing serious jams.

  • Page 46: Transparency Specifications, Storing Print Media

    Transparency Specifications Transparencies used in the printer must be able to withstand 200 degrees C (392 degrees F), the printer’s fusing temperature. To avoid damaging the printer, use only transparencies recommended for use in laser printers, such as HP-brand transparencies, and print transparencies to the top output bin.

  • Page 47: Shipping Print Media, Fillers, Testing Media Specifications

    The paper storage environment should be properly maintained to ensure optimum printer performance. The required condition is 20 degrees to 24 degrees C (68 degrees to 75 degrees F), with a relative humidity of 45% to 55%. The following guidelines should be helpful when evaluating the paper's storage environment: •...

  • Page 48

    Basis Weight Field Test The basis weight should be indicated on the ream label. If the label is not available, a simple field test can identify the basis weight of paper. The basis weight of paper is equal to the weight of 2000 sheets of paper, or 4 full reams.

  • Page 49

    Paper Weight Equivalence Table Use this table to determine approximate equivalent points in weight specifications other than U.S. bond weight. For example, to determine the equivalent of 20 lb U.S. bond weight paper in U.S. cover weight, locate the bond weight (in row 3, second column) and scan across the row to the cover weight (in the fourth column).

  • Page 50

    CAUTION: Never use the coarse adjustment end of the micrometer when measuring for caliper. The coarse adjustment will compress the paper fibers, resulting in an inaccurate reading. For example, if the fibers are compressed, 6 mil paper could measure as little as 3 mils. Always use the fine adjustment to measure caliper.

  • Page 51

    Envelopes should have a diagonal grain, which gives them the best stability. To determine this, cut a square section from one corner of an envelope. Wet this section and observe the manner in which it curls. Two opposite corners should curl toward each other. Figure 2-2 Long, Short, and Diagonal Grain Curl Curl Field Test...

  • Page 52

    Tools and Suppliers Hewlett-Packard neither warrants nor recommends a particular manufacturer, supplier, or tool. Products are subject to change and HP has no control over such changes. However, the following table of tools and their suppliers is provided for convenience.

  • Page 53

    Printer Configuration Contents Using the Control Panel - - - - - - - - - - - - - - - - - 44 Engine Test - - - - - - - - - - - - - - - - - - - - - - - 48 Service Mode - - - - - - - - - - - - - - - - - - - - - - 49 Resetting the Printer - - - - - - - - - - - - - - - - - - - 52 Remote Control Panel - - - - - - - - - - - - - - - - - - 53...

  • Page 54: Using The Control Panel, Display Leds, Job Cancel Button, Go Button

    Using the Control Panel As shown in figure 3-1, this printer’s control panel has only two buttons: ANCEL Pressing one of these buttons or a combination of the two does the following: • Cancels print jobs. • Resumes printing when the printer is paused. •...

  • Page 55: Printing Demo

    Printing Demo Page To print the demo page, press the button when the printer is in the ready state. Figure 3-2 HP LaserJet 2100 Demo Page C4170-90959 Using the Control Panel 45...

  • Page 56: Printing Self-test/configuration

    Printing Self-Test/Configuration Page The configuration page lists many of the current settings and properties of the printer. To print the configuration page, press and release the buttons ANCEL simultaneously when the printer is ready. If an EIO card is installed, a JetDirect Configuration Page also prints (see figure 3-4).

  • Page 57: Continuous Self-test

    Figure 3-4 HP LaserJet 2100 JetDirect Configuration Page General Information lists the HP JetDirect number, firmware revision, LAN hardware address, selected port, manufacturing ID, I/O card status, and network statistics (unicast packets, total packets, bad packets, framing errors received, packets transmitted, unsendable packets, transmit collisions, and transmit late collisions).

  • Page 58: Engine Test

    Engine Test The engine test can be used to verify that the print engine is functioning correctly. The formatter PCB is completely bypassed during an engine test; therefore, this test is useful for isolating problems. The engine test prints a full page of horizontal lines across the entire printable area.

  • Page 59: Service Mode, Accessing Service Mode

    Service Mode In Service Mode the following can be preformed: • Print a Service Mode Self-Test. • Verify and set the page count. See “Setting the Page Count” (page 51) for information. • Set the Cold Reset Default. See “Setting the Cold Reset Default” (page 51) for information. •...

  • Page 60: Entering Escape Characters

    Entering Escape Characters Printer commands always begin with the escape character ( ). The following table shows how the escape character can be entered from various DOS software applications. DOS Software Application Entry What Appears Lotus 1-2-3 and Symphony Type \027 Microsoft Word for DOS Hold down ALT and type 027 on <--...

  • Page 61: Setting The Page Count, Setting The Cold Reset Default

    Setting the Page Count The page count is stored in the printer’s non-volatile memory (NVRAM). If it is necessary to replace the formatter PCB, the page count should be reset to the printer’s original page count to reflect the age of the print engine. Before removing the old formatter PCB, print a self-test/configuration page to verify the current page count of the printer, if possible.

  • Page 62: Resetting The Printer, Cold Reset, Nvram Initialization

    Resetting the Printer Cold Reset To perform a cold reset, turn the printer power off, then press and hold the ANCEL button. Turn the printer power back on and after all the LEDs come on release the button. ANCEL A cold reset changes most system parameters in NVRAM to the factory defaults. The button must be released within 20 seconds after all of the LEDs come on;...

  • Page 63: Remote Control Panel, Installing The Remote Control Panel

    Remote Control Panel The Remote Control Panel (RCP) lets users view and modify the printer's default settings from the computer. This is useful if DOS software applications are running that do not support some or all of the needed printer features. Once the DOS RCP is installed, start it with the following command: At the DOS prompt, switch to the drive and directory where the RCP is located (by default C:\HPLJUTIL), type RCP and press...

  • Page 64: Network Printing, Installing An Hp Jetdirect Eio Card

    Network Printing Installing an HP JetDirect EIO Card Turn the printer off, and disconnect the power cord. Open the interface cable door by pressing on the release tabs. Disconnect all interface cables. Locate the EIO Slot. Firmly insert the HP JetDirect EIO card into the EIO slot. Twist in the retaining screws.

  • Page 65: Ir Printing

    IR Printing The infrared (IR) port is located on the lower right corner of the printer. This port is compliant with the specifications determined by the Infrared Data Association (IrDA). On the right side of the IR port is a status light that indicates when the port is active. The IR port transmits data at speeds of up to 4 MB per second.

  • Page 66

    56 3 Printer Configuration C4170-90959...

  • Page 67

    Printer Maintenance Contents Service Check Points - - - - - - - - - - - - - - - - - - - 58 Cleaning the Printer - - - - - - - - - - - - - - - - - - - 59 Toner Cartridge Information- - - - - - - - - - - - - - - - 62 C4170-90959 Contents 57...

  • Page 68: Service Check Points

    Service Check Points Periodic replacement parts are the parts that should be changed at regular intervals. Failure of these parts can seriously affect the printer’s performance. These parts should be replaced during a regular service visit closest to the end of the part’s expected life. The following parts should be replaced after approximately 150,000 pages of use: •...

  • Page 69: Cleaning The Printer, General Cleaning

    Cleaning the Printer To maintain print quality, follow the general cleaning procedure every time the toner cartridge is changed or whenever print quality problems occur. Keep the printer as free from dust and debris as possible. General Cleaning WARNING! Turn the printer off and unplug the power cable before cleaning the printer. CAUTION: To prevent damage, do not expose the toner cartridge to light for more than a few minutes.

  • Page 70: Internal Cleaning

    Internal Cleaning During the printing process, paper, toner and dust particles can accumulate inside the printer. Over time, this buildup can cause print quality problems such as toner specks or smearing. This printer has two internal cleaning modes that can correct and prevent these types of problems.

  • Page 71

    Toner Cartridge Cleaning This process cleans the photosensitive drum inside the toner cartridge. Use this process if blurred, faded or smeared printouts occur. This process takes about 10 minutes. Figure 4-2 Engine Cleaning NOTE: Make sure the toner cartridge is not empty when using this process. This process consumes toner and if used often can reduce toner cartridge life.

  • Page 72: Toner Cartridge Information, Storage

    Toner Cartridge Information Toner cartridges contain components which are sensitive to light, temperature, and humidity. Make sure the user follows the recommendations in this section to ensure the highest quality and longest life of HP toner cartridges. Storage The toner cartridge should not be removed from its package until installation. The shelf life of a cartridge in an unopened package is approximately 2.5 years.

  • Page 73: Handling Instructions

    Handling Instructions • Before installing a cartridge, evenly distribute the toner. See “Redistributing the Toner” (page 66) for instructions. • Do not touch the surface of the photosensitive drum in the cartridge. Protect the drum from light and contamination. • Do not expose the cartridge to unnecessary vibrations or shock.

  • Page 74: Refilled Toner Cartridges, Recycling Toner Cartridges

    • Hewlett-Packard has no ability to ensure that a refilled toner cartridge functions at the high level or reliability of a new HP toner cartridge. Hewlett-Packard also cannot predict the long term effect of the different toner formulations found in refilled cartridges.

  • Page 75: Toner Cartridge Weights, Toner Cartridge Life Expectancy, Saving Toner With Economode

    Toner Cartridge Weights The weight of a toner cartridge when full and empty is as follows: Full: 1130 grams (39.86 oz) Empty: 925 grams (32.63 oz) Toner Cartridge Life Expectancy The life of the toner cartridge depends on the amount of toner used in each print job. When printing text at 5% coverage, an HP LaserJet 2100 toner cartridge lasts an average of 5,000 pages.

  • Page 76: Redistributing The Toner

    Redistributing the Toner When toner is low, faded or light areas may appear on a printed page. To temporarily improve print quality, redistribute the toner. The cartridge will need to be replaced soon. To redistribute toner: WARNING! Avoid reaching too far into the printer. The adjacent fusing area may be hot. Remove the toner cartridge from the printer.

  • Page 77

    Functional Overview Contents Sequence of Operation - - - - - - - - - - - - - - - - - - 68 Timing Diagram - - - - - - - - - - - - - - - - - - - - - 70 Printer Functionality and Operation - - - - - - - - - - - - 71 Engine Control System - - - - - - - - - - - - - - - - - - 77 Paper Pick and Feed System - - - - - - - - - - - - - - - 87...

  • Page 78: Sequence Of Operation

    Sequence of Operation The formatter system and the Engine Controller Assembly system share information during printer operation. The Engine Controller Assembly-to-formatter connector forms a link which operates as a serial data bus. This lets printer status, command information, and dot-image data to be passed between the two systems.

  • Page 79: Power On Sequence

    Power On Sequence The sequence from power on until the printer enters the STBY period is as follows: Power on. CPU initialization. Video interface communication start. Fusing heater drive. Main motor and fan drive. Determines the paper detection status of each sensor in the printer immediately before driving the main motor, and assesses a paper jam if residual paper is detected.

  • Page 80: Timing Diagram

    Timing Diagram Figure 5-1 Timing Diagram 70 5 Functional Overview C4170-90959...

  • Page 81: Printer Functionality And Operation

    Printer Functionality and Operation There are four major systems that make up the HP LaserJet 2100 printer and allow it to operate. Each system works independently to accomplish its task, but must be coordinated with the other systems to successfully produce a printed page. Understanding these systems, their function, and how they interact with each other is the key to troubleshooting any problem.

  • Page 82: Formatter System

    Formatter System The Formatter System is responsible for the following: • Receiving and processing data from the various printer interfaces. • Monitoring control panel input and relaying printer status information (through the control panel and the I/O). • Developing and coordinating data placement and timing with the print engine. •...

  • Page 83: Formatter Hardware, Formatter Subsystems, Resolution Enhancement Technology (ret - 600 Dpi Only), Print Density Adjustment

    Formatter Hardware The formatter system contains the following: • CPU. 66 MHz Intel 80960JD with a 33 MHz bus. • Read Only Memory (ROM). Stores the dot patterns of internal character sets (fonts) in addition to storing microprocessor control programs. •...

  • Page 84: Economode (600 Dpi Only)

    EconoMode (600 dpi only) • Uses approximately 50% less toner than standard mode printing by reducing the dot density. Users can adjust EconoMode, which can also be thought of as draft mode, through software applications. The default setting is Off. EconoMode does not affect print speed or memory usage.

  • Page 85: Memory Management

    Memory Management This printer uses various methods to conserve and make the most of available memory. Several of these methods are explained below. Memory Enhancement technology (MEt) MEt doubles the printer's standard memory through a variety of font and data compression methods.

  • Page 86: Printer Job Language (pjl) Overview

    Printer Job Language (PJL) Overview Printer Job Language (PJL) is an integral part of the configuration, in addition to the standard Printer Command Language (PCL). PJL allows the printer to perform functions such as: • Two-way communication with the host computer through an IEEE1284 B interface connection.

  • Page 87: Engine Control System

    Engine Control System The engine control system shown in figure 5-5 consists of the Engine Controller Assembly and the Intermediate PCB. The Engine Controller Assembly coordinates all print engine activities. Figure 5-5 Engine Control System Specifically, the Engine Control System directly controls the following subsystems contained on the Engine Controller Assembly: •...

  • Page 88: Laser Scanner Control, Paper Feed Control, Microswitch Control, Motor Control

    NOTE: The Intermediate PCB is only a connection point to the Engine Controller Assembly. Before replacing the Engine Controller Assembly, make sure that the Intermediate PCB is not damaged and that the connections are correct. Laser Scanner Control Based on information received from the Engine Controller Assembly, the formatter sends a signal directly to modulate the laser diode on and off.

  • Page 89: Fusing Assembly Control, Power Supply And Control

    Fusing Assembly Control The fusing assembly’s film contains a heater. The Engine Controller Assembly controls the fusing heater during the following temperature modes. See “Sequence of Operation” (page 68) for more information on print period descriptions. • Initial • Print •...

  • Page 90: Image Formation System

    Image Formation System The image formation process consists of six stages: 1. Drum Cleaning 4. Developing 2. Primary Charge 5. Transfer and Separation 3. Laser Beam Exposure 6. Fusing When the Formatter sends a print command to the Engine Controller Assembly, it in turn drives the main motor to rotate the photosensitive drum, primary charging roller, developing cylinder, and transfer charging roller.

  • Page 91: Toner Cartridge

    Toner Cartridge Figure 5-7 Toner Cartridge Components The toner cartridge contains the cleaning, conditioning, and developing stages of the image formation process. These components of the image formation system that wear, degrade, or are consumed are built into the replaceable toner cartridge (see figure 5-7). This eliminates the need for a service call when replacement is required.

  • Page 92: Cleaning Stage, Conditioning Stage

    Cleaning Stage Figure 5-9 Cleaning the Photosensitive Drum At the cleaning stage, the photosensitive drum's surface is prepared to hold an image. During printing, the drum rotates completely several times per printed page. Before forming the image for a given section of print, a cleaning blade removes toner from the previous rotation of the drum.

  • Page 93: Writing Stage

    Writing Stage Figure 5-11 Laser Scanner System At the writing station, a laser beam focuses laser light onto the photosensitive drum to discharge the drum's negative potential. This creates a latent electrostatic image, which later is developed into a visible image. A small laser diode beam shines onto a rotating, 6-sided mirror.

  • Page 94: Developing Stage

    Developing Stage Figure 5-12 Developing the Latent Electrostatic Image into a Visible Image At the developing stage, the latent electrostatic image is developed into a visible image on the photosensitive drum. As shown in figure 5-12, the developing cylinder consists of a metallic cylinder that rotates around a fixed magnetic core inside the toner cavity.

  • Page 95: Transferring Stage, Fusing Stage

    Transferring Stage Figure 5-13 Transferring the Toner Image on the Drum Surface to the Paper At the transferring stage, the toner image on the photosensitive drum's surface is transferred to the paper. The transfer roller applies a positive charge to the back of the paper, causing the paper to attract the negatively charged toner on the drum's surface (see figure 5-13).

  • Page 96

    The fusing heater comes up to fusing temperature very quickly and thus does not require any power while the printer is on STBY. This feature saves power while virtually eliminating the warm-up period (less than 10 seconds). 86 5 Functional Overview C4170-90959...

  • Page 97: Paper Pick And Feed System

    Paper Pick and Feed System When the Formatter sends a print command to the Engine Controller Assembly, the main motor (M1001) and scanner motor start rotating and the fusing heater temperature control starts. The paper feed system automatically picks print media from either Tray 1, Tray 2, or Tray 3 if installed and delivers it to the registration roller.

  • Page 98: Paper Detection, Paper Size Detection, Paper Jam Detection

    Paper Detection The model for paper detection is essentially the same for all 3 paper trays.The paper sensor levers shown in figure 5-15 detect the presence of paper in the paper trays. If the sensor does not detect any paper, the Formatter illuminates the display’s LED until paper is added. Paper Size Detection The HP LaserJet 2100 printer does not contain a paper size detection mechanism;...

  • Page 99: Table Of Contents

    Troubleshooting Overview This chapter discusses the following: Troubleshooting Process - - - - - - - - - - - - - - - - - 90 Power On - - - - - - - - - - - - - - - - - - - - - - - - 93 Troubleshooting with Control Panel Messages- - - - - - - 94 Paper Handling Problems- - - - - - - - - - - - - - - - - 105 Evaluate the Test Pages - - - - - - - - - - - - - - - - - 109...

  • Page 100: Troubleshooting Process, Preliminary Operating Checks, Basic Fault Isolation

    Troubleshooting Process Preliminary Operating Checks Prior to troubleshooting a specific printer problem, ensure that the following conditions are met: • The printer is plugged in and power is present in the outlet at the proper voltage. • The selected paper tray contains media and has been properly loaded. •...

  • Page 101

    NOTE: It is important to always follow this process in sequence. Failure to do so can result in increased repair time, difficulty, and expense. The following list describes the basic questions for the customer and the corresponding troubleshooting section to help quickly define the problem(s). Table 6-1.

  • Page 102: Troubleshooting Process Flow

    Troubleshooting Process Flow Figure 6-1 Troubleshooting Process Flow 92 Chapter 6 Troubleshooting C4170-90959...

  • Page 103: Power On

    Power On It is important to have the printer’s Control Panel LEDs functional as soon as possible in the troubleshooting process so that the printer’s diagnostics can assist in locating printing errors. Following these steps will help pinpoint power problems quickly. Confirm that the printer is plugged in and the power switch is on.

  • Page 104: Troubleshooting With Control Panel Messages, Control Panel Led Messages

    Troubleshooting with Control Panel Messages Job Cancel Button Attention LED Ready LED Go LED and Button Control Panel LED Messages LED patterns provide both status and error messages. The LEDs can be in any one of the following states: Blinking The following Control Panel LED patterns indicate various conditions of the printer in preparation for, or during, printing.

  • Page 105

    Table 6-2. Control Panel LED Status Messages Control Panel LED Error message Recommended Action Pattern Start-up. The Go, Ready, and No action is needed. Attention LEDs cycle one after another.The buttons have no effect until the printer is ready. Ready. The Ready LED is on No action is needed.

  • Page 106

    Control Panel LED Attendance Messages Control Panel LED Error message Recommended Action Pattern Data.The Ready LED is Pressing the button prints blinking and the Go LED is on. from Tray 1 or from another Data is in the printer memory tray if Tray 1 is empty and the waiting to be printed.

  • Page 107

    Control Panel LED Attendance Messages (continued) Control Panel LED Error message Recommended Action Pattern Attention The printer requires Pressing the button attention for one of the causes the printer to attempt following reasons: to clear the paper jam. It may a door is open be necessary to clear the jam the toner cartridge is missing...

  • Page 108

    Table 6-3. Secondary Information about Continuable Errors (continued) Control Panel LED Error message Status Log Code Recommended Action Pattern Temporary Engine Error (41.x 30034 Press the button. The page containing the Errors) error will automatically be reprinted. If the error persists: (Secondary Error Message) 1) Reseat the connections to the Laser Scanner and the Engine Controller Assembly.

  • Page 109

    Table 6-3. Secondary Information about Continuable Errors (continued) Control Panel LED Error message Status Log Code Recommended Action Pattern NVRAM Error (68 error) 30035 or 30036 Press to clear the message and continue printing. An error occurred in the printer’s nonvolatile (Secondary Error Message) memory and one or more printer settings has been reset to its factory default.

  • Page 110

    Table 6-3. Secondary Information about Continuable Errors (continued) Control Panel LED Error message Status Log Code Recommended Action Pattern General Continuable Error 1) Check connections on the Intermediate PCB. 2) Replace the Formatter PCB. (Secondary Error Message) Secondary Information about Service Errors Control Panel LED Error Message Status Log Code Recommended Action...

  • Page 111

    Secondary Information about Service Errors (continued) Control Panel LED Error Message Status Log Code Recommended Action Pattern Beam Error (error 51 - Bad 40051 *Press . The page containing the error Beam Detect) will automatically be reprinted. *Turn the printer off and reseat the Laser Scanner cables.

  • Page 112

    Secondary Information about Service Errors (continued) Control Panel LED Error Message Status Log Code Recommended Action Pattern Fan error (58 service - Fan 40058 *Turn the printer off, then turn it back on. Motor Error) *Turn the printer off, then reseat the connection between the Fan and the Intermediate PCB.

  • Page 113

    Secondary Information about Service Errors (continued) Control Panel LED Error Message Status Log Code Recommended Action Pattern Miscellaneous interface 40067 Check the I/O connections hardware error (67 service) Verify that the cable is IEEE 1284 B compliant (if applicable) (Secondary Error Message) General Fatal Error Cycle power.

  • Page 114

    Table 6-4. Secondary Information about Accessory Errors (continued) Control Panel LED Error Message Status Log Code Recommended Action Patterns DIMM slot 1 error Reseat the DIMM in slot 1. If the problem persists, replace the DIMM. (Secondary Error Message) DIMM slot 2 error Reseat the DIMM in slot 2.

  • Page 115: Paper Handling Problems, Print Test, Engine Test, Self-test / Configuration, Paper Jam Troubleshooting

    Paper Handling Problems Print Test Pages To confirm that the printer can pick and move paper, generate a Self-Test / Configuration page by depressing the buttons simultaneously when the printer is in a ANCEL ready state. If the printer can not produce a Self-Test / Configuration Page, generate an Engine Test Page.

  • Page 116

    Table 6-5. General Paper Jam Troubleshooting Questions Problem Action What is the frequency of the Verify with the customer. See “Troubleshooting with Control paper jams (e.g. continuous, Panel Messages” (page 94) and “Status Log Messages” one jam per 100 pages, one (page 109) and evaluate the Status Log.

  • Page 117

    Frequency of Jams Figure 6-2 Paper Jams Use figure 6-2 to help determine the cause of paper jams. Jams in the paper path that occur intermittently are most often related to a deficiency in the media or environment. See “Media Troubleshooting”...

  • Page 118: Media And Paper Handling Problems

    Table 6-6. Input Paper Jams (continued) Possible Cause Recommended Action (*)Separation Pad Inspect / replace TBD(Tray1) RB2-2835-000CN (Tray2) RB2-3008-000CN (Tray3) Feed Rollers Inspect and replace TBD (Tray1) TBD (Tray2) RB2-3490-0000CN(Tray3) Solenoids Inspect and replace SL504 (Tray1) SL501 (Tray2) SL2001 (Tray3) Paper Feeder PCB (Tray 3 only) defective Replace RG5-4277-000CN Engine Controller Assembly/Intermediate PCB Replace RG5-4248-000CN (4249 220V) and...

  • Page 119: Evaluate The Test, Status Log Messages, Verify Installed Options, Evaluate The Test Pages

    Evaluate the Test Pages Status Log Messages Use the Status Log primarily to diagnose and troubleshoot intermittent printer errors, or to gain information about multiple error conditions that may occur simultaneously. Status Log information prints automatically on the Self-Test/Configuration Page. See also “Configuration Page Elements”...

  • Page 120: Image Formation Troubleshooting

    Often an image formation problem can be linked to media that is outside the specifications established by Hewlett-Packard for optimum printer performance. See “Media Troubleshooting” (page 129) for help with persistent image formation problems. Table 6-9. Image Quality Checks...

  • Page 121

    Check the Toner Cartridge Image formation defects are often the result of problems with the Toner Cartridge. Use the following list to ensure that the Toner Cartridge is still operable. NOTE: Before replacing the Toner Cartridge, be sure to perform all the following checks. •...

  • Page 122: Image Defect Tables

    Image Defect Tables The quality of the printer’s output is subject to the judgment of the user. This section of the manual helps define print quality defects and understand what factors affect print quality. The print samples shown in the following figures illustrate some print quality defects. Keep copies of print quality defects encountered in the field with an explanation of their causes for future reference.

  • Page 123

    Hint If a defect is not depicted, record the probable cause along with the conditions in the printing environment and save a copy of the defect for future reference. Black Lines (vertical) Possible Cause Action Defective Toner Inspect the Toner Cartridge for a scratched Cartridge.

  • Page 124

    Blank Page (continued) Possible Cause Action Sealing tape left in Remove the sealing tape. Toner Cartridge. Empty or defective 1. If unsure, weigh the cartridge. Toner Cartridge. Full weight = 1130 grams (39.9 oz.) Empty weight = 925 grams (32.6 oz.) Note: Some toner may reside in the waste toner cavity, affecting the weight of the cartridge.

  • Page 125

    Blank Spots Possible Cause Action Empty or defective Replace the Toner Cartridge. Toner Cartridge. See also “Dropouts” (page 118). Character Voids Class 1: Small sections of characters are missing toner. Class 2: Small sections of thin vertical lines are missing. Possible Cause Action Paper surface too...

  • Page 126

    Creases Possible Cause Action Paper does not meet 1. Print a few more pages to see if the problem printer specifications corrects itself. or is stored improperly. 2. Turn over the stack of paper in the tray. Also try rotating the paper 180 degrees. 3.

  • Page 127

    Dark Print Possible Cause Action Poor contact between Clean the contacts. Replace the contacts if the the drum grounding problem persists after cleaning. contact pin of the drive unit and the cartridge contact. Poor contact between Clean the contacts. Replace the contacts if the the primary bias problem persists after cleaning.

  • Page 128

    Distorted Image Possible Cause Action Paper does not meet 1. Print a few more pages to see if the problem printer specifications corrects itself. or is stored improperly. 2. Turn over the stack of paper in the tray. Also try rotating the paper 180 degrees.

  • Page 129

    Dropouts (continued) Possible Cause Action Paper does not meet Try a different paper lot. See “Media specifications. The Troubleshooting” (page 129). paper moisture content, conductivity, or surface finish may not work correctly with electrophotographic process. Engine Controller Replace the Engine Controller. defective (low primary voltage or incorrect high voltage).

  • Page 130

    Faded Print/Bubbles (continued) Possible Cause Action Transfer Roller is Inspect the Transfer Roller for proper installation and defective or incorrectly contact. If the Transfer Roller is damaged, replace it. installed. If the transfer roller loses conductivity, it cannot effectively pull toner from the drum to the paper.

  • Page 131

    Gray Background (continued) Possible Cause Action Poor contact between Check developer bias spring. the primary bias contact on the Engine Controller Assembly and toner cartridge contact. Horizontal Black Lines Possible Cause Action Toner Cartridge not Remove the Cartridge and reinsert it. seated properly.

  • Page 132

    Horizontal White Lines Possible Cause Action Toner Cartridge is Remove the Toner Cartridge and shake it gently. The nearly empty. This can cartridge will soon require replacement. cause uneven toner distribution. Toner Cartridge has Store the Toner Cartridge in a darkened environment been exposed to too for several days.

  • Page 133

    Light Print (continued) Possible Cause Action Defective Laser Perform the Half-Self-Test. If the test passes, replace Scanner or Transfer the transfer roller. If the test fails, replace the Laser Roller. Scanner. Toner Cartridge is low. Replace the Toner Cartridge. See also “Faded Print/Bubbles” (page 119). Loose Toner Possible Cause Action...

  • Page 134

    Repetitive Defects (continued) Possible Cause Action Fuser is dirty or Clean the Fuser using alcohol. If the problem defective. If the defect persists, replace the Fuser. repeats 75 mm (2.95 inches) on the front of the page, the defect is associated with the Fusing Film unit.

  • Page 135

    Speckled Print Possible Cause Action Particles accumulate 1. Print at least 10 pages to see if the problem goes over time inside away. printer (Tray Separation Roller, 2. Print a cleaning page. See “To Start Engine Feed Roller, Transfer Cleaning” (page 60). Roller, Fuser, Toner Cartridge).

  • Page 136

    Toner Smear (continued) Possible Cause Action Engine Controller is If a new Fuser does not resolve the problem, replace defective. The Engine the Engine Controller Assembly. Controller regulates fusing roller temperature. Toner Specks Possible Cause Action Dirt in printer. 1. Print a few more pages to see if the problem corrects itself.

  • Page 137: Half Self-test Functional Check

    Repetitive Defect Ruler Repetitive print defects usually are associated with a specific roller within the printer or the Toner Cartridge. Use Figure 7-1 to isolate the cause of repetitive print defects. Align the first occurrence of the defect with the top of the “ruler” (at the top or bottom of the misprinted page), and measure to the next occurrence of the defect to determine the roller in question.

  • Page 138: Drum Rotation Functional Check

    seconds after the Main Motor begins rotation). The leading edge of the paper should have advanced past the Toner Cartridge. Remove the Toner Cartridge. Open the Toner Cartridge’s drum shield to view the drum’s surface. If a dark and distinct toner image is present on the drum’s surface, assume that the first four functions of the electrophotographic process are functioning (cleaning, conditioning, writing, and developing - see Chapter 5: Functional Overview), and troubleshoot the failure as a transfer or fusing problem.

  • Page 139: Media Troubleshooting, A Paper Or Printer Problem, Isolate A Paper Path

    Media Troubleshooting Media defects cause both paper jams and image defects. If correcting the previously described conditions does not eliminate the printing problem, investigate the media as the source of the defect. Problems with paper are sometimes difficult to detect. Following a standard troubleshooting procedure may help isolate media-related problems.

  • Page 140: Isolate A Paper Brand

    Isolate the source from which the printer jams Where was the paper being fed from? Possible sources include: • Standard Paper Tray • Tray 1 • Optional Tray Determine where paper jams occur Check where paper stops when a jam occurs. Types of jams include: •...

  • Page 141

    Planning is important to prevent damage to a large supply of paper. Hewlett-Packard neither warrants nor recommends the use of a particular brand of paper or print media. Media properties are subject to change by manufacturers and HP has no control over such changes.

  • Page 142: Isolate A Paper Type

    Isolate a Paper Type When paper jams and other problems occur frequently, it is often because the customer is using a special paper. Customers must only use paper that conforms to all HP specifications, and should always test paper before purchasing large quantities. Paper should be tested before storage to verify quality printing results.

  • Page 143

    Embossed paper Embossed paper is not recommended for use in HP LaserJet printers. Paper is embossed by stamping an image into the paper compressing the fibers together at approximately 200 degrees C (392 degrees F), sometimes applying a thin metal foil to the surface. The fusing process can loosen the foil;...

  • Page 144

    Envelopes It is difficult to specify types of envelopes that will work on HP LaserJet printers, because of the variety of folds and cuts available. It is very important to test a sample envelope before purchasing a large quantity. The specifications that apply to paper also apply to envelopes. Contact adhesives should be avoided.

  • Page 145

    Transparencies Printing on transparencies presents a special set of challenges. The surface resistance of a transparency can be infinite, causing the transparency to act like paper with 0% moisture content. This may resulting in streaks and smudging. Static charges may accumulate on some transparent stock and cause multifeed jams.

  • Page 146

    Coated Paper Do not use coated paper. Most coated paper does not meet specifications for fusing compatibility and other specifications for HP LaserJet printers. Other Special Media Odd sizes - check minimum and maximum supported sizes in “Operating Requirements” (page 25). Carbonless paper - Carbonless paper (NCR) is not supported by HP LaserJet printers.

  • Page 147: Evaluate Paper User Practices, Evaluate Environmental Conditions

    Evaluate Paper User Practices Handling and Loading Often differences in techniques, missed steps, or paper handling methods are responsible for common paper problems. Be sure the paper is loaded correctly in the printer. NOTE: Ensure that all printer users are observing these guidelines Printer Maintenance General cleanliness of the printer is the most important part of printer maintenance.

  • Page 148

    Paper Storage Environment Paper storage and handling is as important as the paper-making process itself. Paper storage environmental conditions directly affect the feed operation. NOTE: Care should be taken not to purchase more paper than can be easily used in a short time (about 3 months).

  • Page 149: Communication Troubleshooting, Communications Check, Test Message, Eio Troubleshooting

    Communications Check NOTE: Communication problems are normally the customer’s responsibility. Time spent attempting to resolve these problems may not be covered by the product’s Hewlett-Packard warranty. Refer the customer to the network administrator for assistance in troubleshooting network problems. Test Message After the printer is installed, verify communications between the printer and the IBM- compatible computer.

  • Page 150: Jetdirect Configuration

    See the HP JetDirect Print Server Software Installation Guide for detailed explanations of network issues. Figure 6-4 JetDirect Configuration Page General Information provides general information about the printer’s HP JetDirect print server, including the LAN HW address, I/O card status, and network statistics. Protocol Information provides information and status about supported network protocols, including TCP/IP, SNMP, DLC/LLC, BOOTP/DHCP, Novel NetWare, and AppleTalk.

  • Page 151: Reference Diagrams, Timing Diagram

    Reference Diagrams Timing Diagram Figure 6-5 Timing Diagram C4170-90959 Reference Diagrams 141...

  • Page 152: Sensors And Signals

    Sensors and Signals The drawings below show key components, sensors, and switches that control the operation of the printer. Figure 6-6 Printer Paper Path, Sensors, and Signals 142 Chapter 6 Troubleshooting C4170-90959...

  • Page 153

    Figure 6-7 Optional Tray 3 Paper Path, Sensors, and Signal C4170-90959 Reference Diagrams 143...

  • Page 154: Component Locations

    Component Locations Figure 6-8 General Printer Component Locations 144 Chapter 6 Troubleshooting C4170-90959...

  • Page 155

    Figure 6-9 Motor, Fan, PCB, and Solenoid Locations Table 6-10. Motor, Fan, PCB, and Solenoid Locations Item Description Part Number Cooling Fan Intermediate PCB Main Motor Tray 1 Pick-up Solenoid Tray 2 Pick-up Solenoid Engine Controller Assembly C4170-90959 Reference Diagrams 145...

  • Page 156

    Figure 6-10Optional tray 3 Component Locations 146 Chapter 6 Troubleshooting C4170-90959...

  • Page 157

    Figure 6-11 Engine Controller Assembly LEDs, Test Pins, Jumpers, and Switches C4170-90959 Reference Diagrams 147...

  • Page 158

    Figure 6-12 Location of Connectors (1 of 3) 148 Chapter 6 Troubleshooting C4170-90959...

  • Page 159

    Figure 6-13 Location of Connectors (2 of 3) C4170-90959 Reference Diagrams 149...

  • Page 160

    Figure 6-14 Location of Connectors (3 of 3) 150 Chapter 6 Troubleshooting C4170-90959...

  • Page 161: Removal And Replacement

    Removal and Replacement Contents Removal and Replacement Strategy - - - - - - - - - - - 152 Required Tools - - - - - - - - - - - - - - - - - - - - - - 153 Parts Removal Tree - - - - - - - - - - - - - - - - - - - 154 C4170-90959 Contents 151...

  • Page 162: Removal And Replacement Strategy

    Removal and Replacement Strategy This chapter documents removal and replacement of field replaceable units (FRUs) only. Replacement is generally the reverse of removal. Occasionally, notes are included to provide direction for difficult or critical replacement procedures. WARNING! To avoid serious injury, unplug the power cord from the power outlet before servicing the printer.

  • Page 163: Required Tools

    Required Tools The following tools are required to perform the removal and replacement procedures listed in this chapter: • #1 Phillips screwdriver with magnetic tip • #2 Phillips screwdriver with magnetic tip • Small flatblade screwdriver • Needle nose pliers •...

  • Page 164: Parts Removal Tree

    Parts Removal Tree Toner Cartridge Removal ......... 156 Tray 2 Removal.

  • Page 165

    Left Cover Removal....... . 229 Cooling Fan Removal ......230 Toner Cartridge Guide Removal.

  • Page 166: Toner Cartridge Removal

    Toner Cartridge Removal Open the toner cartridge door. Figure 7-1 Opening the Toner Cartridge Door Lift the toner cartridge and remove it. Figure 7-2 Removing the Toner Cartridge 156 7 Removal and Replacement C4170-90959...

  • Page 167: Tray 2 Removal

    Tray 2 Removal As shown in figure 7-3, pull out Tray 2 to remove it from the printer. Figure 7-3 Removing Tray 2 C4170-90959 Parts Removal Tree 157...

  • Page 168: Transfer Roller Removal

    Transfer Roller Removal CAUTION: Do not touch the new transfer roller’s sponge with bare skin because oils can damage the roller. Instead grasp the transfer roller’s bushing and shaft. Open the toner cartridge door. Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions.) Locate the transfer roller’s black bushing, which is on the left end of the transfer roller’s shaft and just behind the gear.

  • Page 169

    roller’s shaft to the left (see figure 7-6). Figure 7-5 Removing the Transfer Roller (1 of 2) Figure 7-6 Removing the Transfer Roller (2 of 2) C4170-90959 Parts Removal Tree 159...

  • Page 170

    NOTE: During replacement, securely insert the spring into the bushing’s boss so that the bushing pushes on the spring when the transfer roller is set. The white retaining clip on the right end of the transfer roller (see figure 7-7) is also field replaceable.

  • Page 171: Tray 2 Pickup Roller Removal

    Tray 2 Pickup Roller Removal Do not touch the pickup roller’s sponge with bare skin. If Tray 3 is installed, to remove it lift the printer off of the paper cassette assembly (see figure 7-8). Otherwise, go to step 2. Remove the toner cartridge.

  • Page 172

    the printer or the surface. Figure 7-9 Accessing Tray 2 Pickup Roller Tilting the lever to the left, rotate the white bushing as shown in figure 7-10. Stop when the bushing’s tab is aligned with the opening on the carriage. Figure 7-10Rotating the White Bushing Align the bushing’s tab with the opening on the carriage, and then slide the white...

  • Page 173

    bushing to the left. Figure 7-11Sliding the White Bushing to the Left Tilting the lever to the right, rotate the black bushing as shown in figure 7-12. If necessary, grasp the bushing’s lever with the needle nose pliers. Figure 7-12Rotating the Black Bushing C4170-90959 Parts Removal Tree 163...

  • Page 174

    Remove the black bushing from the pickup roller’s shaft. Figure 7-13Removing the Black Bushing Slide the pickup roller to the right so that its shaft is removed from the white bushing. Figure 7-14Removing the Pickup Roller Shaft from the White Bushing 10 To remove the pickup roller from its carriage grasp the left end of its shaft and then lift up 164 7 Removal and Replacement C4170-90959...

  • Page 175

    the roller. Figure 7-15Removing the Pickup Roller C4170-90959 Parts Removal Tree 165...

  • Page 176: Tray 2 Pickup Roller Replacement

    Tray 2 Pickup Roller Replacement Remove the two rollers from the pickup roller. Figure 7-16Removing the Two Rollers Place the two rollers on the ends of the new pickup roller. Figure 7-17Replacing the Two Rollers Replace the pickup roller in its carriage as follows: a Insert the non-slotted end of the roller’s shaft through the right-side carriage opening while holding the roller at a slight angle.

  • Page 177

    b Lower the other end of the pick-up roller until it rests on the bottom of the carriage. Figure 7-18Replacing the Pickup Roller Slide the slotted end of the pickup roller’s shaft into the white bushing. Rotate the roller while sliding it so that its slotted shaft rests over the drive shaft. The black bushing will not fit if the slotted end of the pickup roller’s shaft is not properly inserted over the drive shaft.

  • Page 178

    roller’s shaft is not properly inserted over the drive shaft. If necessary, repeat step 4. Figure 7-20Replacing the Black Bushing Rotate the black bushing forward until it locks in place. Figure 7-21Locking the Black Bushing in Place Slide the white bushing to the right until it goes through the carriage opening (see figure 7-22).

  • Page 179

    Turn the printer upright and install the toner cartridge and any removed paper trays. Figure 7-22Replacing the White Bushing C4170-90959 Parts Removal Tree 169...

  • Page 180: I/o Cover Removal

    I/O Cover Removal Pushing the two tabs on the back of the I/O cover (see figure 7-23), swing the I/O cover as shown in figure 7-23. Figure 7-23Removing the I/O Cover 170 7 Removal and Replacement C4170-90959...

  • Page 181: Eio Card Removal

    EIO Card Removal Remove the I/O cover. (See “I/O Cover Removal” (page 170) for instructions.) Pull out the EIO card to remove it. C4170-90959 Parts Removal Tree 171...

  • Page 182: Dimm Cover Removal

    DIMM Cover Removal Open the toner cartridge door. Press and hold the release button shown in figure 7-24. Figure 7-24DIMM Cover Release Button Grasp the rear of the cover and pull it away from the printer until it stops. Grasp the front and rear of the cover and swing it out from the printer. Figure 7-25Removing the DIMM Cover 172 7 Removal and Replacement...

  • Page 183: Dimm Removal

    DIMM Removal Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) Rotate the levers shown in figure 7-26 outward to remove the DIMM. Figure 7-26Removing a DIMM C4170-90959 Parts Removal Tree 173...

  • Page 184: Formatter Pcb Removal

    Formatter PCB Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • If the EIO Card is installed, remove it. (See “EIO Card Removal” (page 171) for instructions.) Disconnect the ribbon and power cables shown in figure 7-27.

  • Page 185

    Remove the formatter PCB. Figure 7-28Removing the Formatter PCB C4170-90959 Parts Removal Tree 175...

  • Page 186: Eio Shield And Guide Removal

    EIO Shield and Guide Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the formatter PCB. (See “Formatter PCB Removal” (page 174) for instructions.) Remove the four screws shown in figure 7-29 to remove the shield.

  • Page 187: Rear Cover Removal

    Rear Cover Removal Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) Open the rear output bin until it stops (see figure 7-94), and then pull it again so that it rests parallel with the floor. Figure 7-30Opening the Rear Output Bin Remove the two screws shown in figure 7-31.

  • Page 188

    Pull the bottom-left corner of the rear cover as shown in figure 7-32. Figure 7-32Releasing the Rear Cover’s Latch Pull the rear cover down and then out to remove it. Figure 7-33Removing the Rear Cover 178 7 Removal and Replacement C4170-90959...

  • Page 189: Fusing Assembly Removal

    Fusing Assembly Removal Turn the power off and unplug the power cord before removing the fusing assembly. After turning the power off, let the fusing assembly cool down for several minutes. Do not insert metallic objects into the opening shown in figure 7-34. The print engine test button is located on the back of the printer as shown in figure 7-35.

  • Page 190

    To disconnect the left wire connector pull it straight out (see figure 7-36). To disconnect the right wire connector press a flat blade screwdriver on the connector and then pull out the connector. Figure 7-36Removing Wire Connectors on Fusing Assembly Remove the two grounding plate screws shown in figure 7-37.

  • Page 191

    printer. Figure 7-38Removing the Fusing Assembly’s Screws Remove the fuser assembly from the printer. Figure 7-39Removing the Fusing Assembly C4170-90959 Parts Removal Tree 181...

  • Page 192: Fusing Assembly Replacement

    Fusing Assembly Replacement When replacing the fusing assembly, use the guide pins shown in figure 7-40 to correctly align it. Figure 7-40Replacing the Fusing Assembly 182 7 Removal and Replacement C4170-90959...

  • Page 193: Fusing Film Removal

    Fusing Film Removal Remove the fusing assembly. (See “Fusing Assembly Removal” (page 179) for instructions.) Disconnect the wire shown in figure 7-41. Figure 7-41Disconnecting Fusing Assembly Wire Remove the wires from the cable harnesses. Remove the two screws shown in figure 7-42. Figure 7-42Removing the Fusing Assembly’s Screws C4170-90959...

  • Page 194

    Press the clips shown in figure 7-43 to remove the pressure plate. Figure 7-43Removing the Pressure Plate Screws Remove the fusing film. Figure 7-44Removing the Fusing Film 184 7 Removal and Replacement C4170-90959...

  • Page 195: Pressure Roller Removal

    Pressure Roller Removal Remove the following assemblies: • Remove the fusing assembly. (See “Fusing Assembly Removal” (page 179) for instructions.) • Remove the fusing film. (See “Fusing Film Removal” (page 183) for instructions.) Remove the screw shown in figure 7-45, which holds the fusing entrance guide. To remove the fusing entrance guide slide it toward the gears (see figure 7-45).

  • Page 196: Engine Controller Assembly Removal

    Engine Controller Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 197

    Remove the two grounding plate screws shown in figure 7-48. Figure 7-48Removing the Fusing Assembly’s Grounding Plate Screws Place the printer top-down with the fusing assembly facing outward. Remove the four screws shown in figure 7-49. Figure 7-49Removing the Engine Controller Assembly’s Screws Lift the left side of the engine controller assembly.

  • Page 198

    assembly (see figure 7-50). Figure 7-50Removing the Formatter PCB’s Cable Disconnect all of the other cables shown in figure 7-50 except for the ribbon cable. It does not have to be disconnected to remove the engine controller assembly. 10 Remove the engine controller assembly. 188 7 Removal and Replacement C4170-90959...

  • Page 199: Top Cover Removal

    Top Cover Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) Release the swing arm from the toner cartridge door (see figure 7-51), and push it down in the opening.

  • Page 200

    Remove the screws shown in figure 7-53. Figure 7-53Removing Screws from the Top Cover (2 of 2) Open Tray 1. Figure 7-54Opening the multi-purpose input tray 190 7 Removal and Replacement C4170-90959...

  • Page 201

    Release the latch shown in figure 7-55. Figure 7-55Releasing the Latch on the Top Cover Lift the top cover to remove it. Figure 7-56Removing the Top Cover NOTE: Two of the four screws removed in the above procedure are longer than the other two. When replacing the top cover, these screws go in the holes shown in figure 7-52.

  • Page 202: Upper Output Delivery Roller Removal

    Upper Output Delivery Roller Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 203

    7-58). Figure 7-58Removing the Upper Output Delivery Roller (2 of 2) NOTE: During replacement, remove the gear and clips shown in figure 7-59. These items do not come with a new upper output delivery roller. Figure 7-59Removing Gear and Clips for use in Replacement C4170-90959 Parts Removal Tree 193...

  • Page 204: Lower Output Delivery Roller Removal

    Lower Output Delivery Roller Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 205: Laser Scanner Assembly Removal

    Laser Scanner Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 206

    Remove the four screws shown in figure 7-62. Figure 7-62Removing the Laser Scanner Assembly’s Screws Lift the laser scanner assembly out of the printer. NOTE: The laser scanner’s (4) self-tapping screws are longer than the other self-tapping screws on the printer. 196 7 Removal and Replacement C4170-90959...

  • Page 207: Transport Belts And Rollers Removal

    Transport Belts and Rollers Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 208

    Lift the center shaft (see figure 7-64) out of its carriage and gear box. Figure 7-64Transport Belts and Rollers Remove all of the belts and rollers in any order. Do not overlook the two rollers located in the bottom of the printer (see figure 7-65). Lift each to remove it. Figure 7-65Removing Small Rollers 198 7 Removal and Replacement...

  • Page 209: Transport Belts And Rollers Replacement

    Transport Belts and Rollers Replacement Figure 7-66 identifies all of the parts used in this procedure. Figure 7-66Transport Belts and Rollers Install the small rollers back in the bottom of the printer (see figure 7-65). Install the A-1 belt and roller back in its carriage as shown in figure 7-67. Perform the same procedure to install the A-2 belt and roller.

  • Page 210

    same procedure to install the B-2 belt and roller. Figure 7-68Installing the B-1 Belt and Roller Insert the non-geared roller shaft through belt C-1. Insert one at a time the ends of the non-geared roller shaft through the A-1 and A-2 belts while holding down the A-1 and A-2 rollers.

  • Page 211

    Insert the geared roller shaft into the printer drive assembly, and then snap it into its carriage. 10 Replace the screw shown in figure 7-70. Figure 7-70Replacing the Gear Box Screw 11 If the printer drive assembly is removed, rotate the transport gear several revolutions to properly align the belts and rollers.

  • Page 212: Ribbon Cable Harness Removal

    Ribbon Cable Harness Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 213

    remove it. Figure 7-72Removing the Ribbon Cable Harness C4170-90959 Parts Removal Tree 203...

  • Page 214: Printer Drive Assembly Removal

    Printer Drive Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 215

    Lift out the printer drive assembly to remove it. Figure 7-74Removing the Printer Drive Assembly’s Screws C4170-90959 Parts Removal Tree 205...

  • Page 216: Main Motor Removal

    Main Motor Removal Remove the printer drive assembly. (See “Printer Drive Assembly Removal” (page 204) for instructions. Remove the four screws shown in figure 7-75. Lift the motor to remove it. Figure 7-75Removing the Main Motor Screws 206 7 Removal and Replacement C4170-90959...

  • Page 217: Motor Plate Removal

    Motor Plate Removal Remove the following assemblies: • Remove the printer drive assembly. (See “Printer Drive Assembly Removal” (page 204) for instructions. • Remove the main motor. (See “Main Motor Removal” (page 206)for instructions.) Remove the four screws shown in figure 7-76 Figure 7-76Removing the Motor Plate Screws Press and hold the clip shown in figure 7-77, and then slide the motor plate out of the...

  • Page 218: Printer Drive Assembly Gear Removal

    Printer Drive Assembly Gear Removal • Remove the following assemblies: • Remove the printer drive assembly. (See “Printer Drive Assembly Removal” (page 204) for instructions. • Remove the main motor. (See “Main Motor Removal” (page 206)for instructions.) • Remove the motor plate. (See “Motor Plate Removal” (page 207) for instructions.) Remove any gear shown in figure 7-78 by following the steps listed below: Gear First Remove Gear(s) 7, 6, and 4...

  • Page 219: Tray 1 Pickup Roller Assembly Removal

    Tray 1 Pickup Roller Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 220

    rotate it clockwise until the tab clears the keyed opening. Figure 7-80Removing Tray 1 Pickup Roller Assembly Black Bushing Remove the white bushing shown in figure 7-81. While facing it, pull out its lever and rotate it counter clockwise until the tab clears the keyed opening. Figure 7-81Removing Tray 1 Pickup Roller Assembly White Bushing Slide the assembly to the right until the left end of the shaft clears the opening, and then...

  • Page 221

    slide the assembly back to the left to remove it. Figure 7-82Removing Tray 1 Pickup Roller Assembly C4170-90959 Parts Removal Tree 211...

  • Page 222: Tray 1 Separation Pad Assembly Removal

    Tray 1 Separation Pad Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 223

    Remove the screw shown in figure 7-84, and then lift the assembly to remove it. Figure 7-84Removing the Separation Pad Assembly C4170-90959 Parts Removal Tree 213...

  • Page 224: Tray 1 Paper Sensor Lever Removal

    Tray 1 Paper Sensor Lever Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 225

    the right until it stops. Figure 7-86Sliding the Paper Sensor Lever to the Right Rotate the paper sensor lever until it is facing downward (see figure 7-87). Lift the paper sensor lever to remove it. Figure 7-87Removing the Paper Sensor Lever C4170-90959 Parts Removal Tree 215...

  • Page 226: Tray 1 Paper Sensor Lever Replacement

    Tray 1 Paper Sensor Lever Replacement Insert the paper sensor lever through the printer opening as shown in figure 7-88. Figure 7-88Inserting Paper Sensor Lever through Printer Opening Set the paper sensor lever in its cradle as shown in figure 7-89. Make sure the spring is resting on the bottom of the printer.

  • Page 227

    shown in figure 7-90. Figure 7-90Rotating the Paper Sensor Lever Pull the middle of the paper sensor lever outward, and then slide it to the right until it locks in place. Rotate the paper sensor lever forward until it stops, and then hold it in this position. To replace the electrical sensor insert the left prongs first into the opening.

  • Page 228: Tray 1 Solenoid Removal

    Tray 1 Solenoid Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 229: Tray 2 Pickup Roller Assembly Removal

    Tray 2 Pickup Roller Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 230

    Lift one end of the assembly to remove it. Figure 7-93Removing Tray 2 Pickup Roller Assembly 220 7 Removal and Replacement C4170-90959...

  • Page 231: Tray 2 Solenoid Removal

    Tray 2 Solenoid Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 232: Intermediate Pcb Removal

    Intermediate PCB Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 233

    shown in figure 7-96. Figure 7-96Disconnecting Laser Scanner’s and Fan’s Power Cable Remove the screw shown in figure 7-97. Figure 7-97Removing the Intermediate PCB’s screw Disconnect the ribbon cable shown in figure 7-98. Do not pull the ribbon cable out of the frame if the engine controller assembly is also C4170-90959 Parts Removal Tree 223...

  • Page 234

    removed. Otherwise, the ribbon cable must be threaded back through the frame. Figure 7-98Disconnecting the Intermediate PCB’s Ribbon Cable Remove the intermediate PCB. 224 7 Removal and Replacement C4170-90959...

  • Page 235: Registration Assembly Removal

    Registration Assembly Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 236

    Remove the six screws shown in figure 7-100. Figure 7-100Removing the Registration Assembly’s Screws To remove the registration assembly slide it to the right, and then lift the right end of it. 226 7 Removal and Replacement C4170-90959...

  • Page 237: Fusing Assembly Ground Clip Replacement

    Fusing Assembly Ground Clip Replacement Remove the following assemblies: • Remove the fusing assembly. (See “Fusing Assembly Removal” (page 179) for instructions.) • Remove the engine controller assembly. (See “Engine Controller Assembly Removal” (page 186) for instructions. Orient the ground clip as shown in figure 7-101, and then place it over the guide pins as shown in figure 7-102.

  • Page 238: Tray 3 Assembly Connector Removal

    Tray 3 Assembly Connector Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 239: Left Cover Removal

    Left Cover Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 240: Cooling Fan Removal

    Cooling Fan Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 241

    Remove the two screws shown in figure 7-106. Figure 7-106Removing the Cooling Fan Remove the fan. NOTE: When replacing the fan, make sure the surface with the label faces inside, and the arrow mark on the fan and printer point in the same direction as shown in figure 7-107. Figure 7-107Replacing the Fan C4170-90959...

  • Page 242: Toner Cartridge Guide Removal

    Toner Cartridge Guide Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove Tray 2. (See “Tray 2 Removal” (page 157) for instructions.) • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) •...

  • Page 243

    Slide the guide up and out to remove it (see figure 7-109). Figure 7-109Removing the Toner Cartridge Guide. C4170-90959 Parts Removal Tree 233...

  • Page 244: Tray 1 Removal

    Tray 1 Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 245

    Disconnect the pivot arms from Tray 1 at the locations shown in figure 7-111. Figure 7-111Disconnecting Tray 1’s Pivot Arms Remove Tray 1’s bottom piece by sliding it to the left. Figure 7-112Separating Tray 1’s Bottom Piece Rotate the pivot arms to the upward position as shown in figure 7-113. C4170-90959 Parts Removal Tree 235...

  • Page 246

    Remove Tray 1’s top piece (see figure 7-113). Figure 7-113Removing Tray 1’s Top Piece Rotate the pivot arms to the downward position as shown in figure 7-114. Remove the pivot arms. Figure 7-114Removing Tray 1’s Pivot Arms NOTE: Each pivot arm is marked with either the letter L or R, to indicate which side of the printer to replace it on.

  • Page 247: Tray 1 Pickup Roller Removal

    Tray 1 Pickup Roller Removal Be careful not to damage the paper sensor lever while removing the Tray 1 pickup roller. The Tray 1 Pickup Roller Assembly is a field replaceable unit. See “Tray 1 Pickup Roller Assembly Removal” (page 209) for more information. Remove the following assemblies: •...

  • Page 248

    Repeat step 7 through step 9 to move the right idler roller. Figure 7-116Repositioning the Idler Roller Press and hold the release mechanism (see figure 7-117) on the pickup roller, and then slide it to the right (see figure 7-118). 238 7 Removal and Replacement C4170-90959...

  • Page 249

    Rotate the pickup roller downward to remove it. Figure 7-117Pickup Roller Release Mechanism Figure 7-118Removing the Tray 1 Pickup Roller C4170-90959 Parts Removal Tree 239...

  • Page 250: Tray 1 Separation Pad Removal

    Tray 1 Separation Pad Removal Remove the following assemblies: • Remove the toner cartridge. (See “Toner Cartridge Removal” (page 156) for instructions. • Remove the DIMM cover. (See “DIMM Cover Removal” (page 172) for instructions.) • Remove the rear cover. (See “Rear Cover Removal” (page 177) for instructions.) •...

  • Page 251

    arms. Figure 7-120Removing the Separation Pad C4170-90959 Parts Removal Tree 241...

  • Page 252: Dc Bias Voltage Contacts (leaf Springs) Removal

    DC Bias Voltage Contacts (Leaf Springs) Removal This procedure describes how to replace the high-voltage contacts shown in figure 7-121. figure 7-122 identifies each part of the contact as it is referred to in this procedure. Figure 7-121DC Bias Voltage Contacts (Leaf Springs) Figure 7-122Parts of the DC Bias Voltage Contacts (Leaf Springs) Remove the following assemblies:...

  • Page 253

    • Remove the top cover. (See “Top Cover Removal” (page 189) for instructions.) • Remove the left cover. (See “Left Cover Removal” (page 229) for instructions.) • Remove the engine controller assembly. (See “Engine Controller Assembly Removal” (page 186) for instructions.) Remove the spring coil from the retaining clip located on the bottom of printer, and then remove the spring arm from the retaining clip located on the bottom of printer.

  • Page 254

    Remove the spring coil from the retaining clip located on the side of printer (see figure 7-124), and then pull the spring assembly out of the printer. Figure 7-124Removing the Spring Arm and Coil from the Retaining Clips 244 7 Removal and Replacement C4170-90959...

  • Page 255: Dc Bias Voltage Contacts Replacement

    DC Bias Voltage Contacts Replacement Insert the spring through either the opening shown in figure 7-125 or figure 7-126. Figure 7-125Inserting the Spring through the Opening (1 of 2) Figure 7-126Inserting the Spring through the Opening (2 of 2) Place the spring coil over the retaining clip located on the side of printer (see figure 7-127).

  • Page 256

    Place the spring arm in the retaining clip located on the side of printer (see figure 7-127). Figure 7-127Placing the Spring Coil and Arm over its Retaining Clip Place the spring arm in the retaining clip located on the bottom of printer (see figure 7-128).

  • Page 257: Tray 3 Cassette Assembly Removal

    Tray 3 Cassette Assembly Removal As shown in figure 7-129, lift the printer to remove Tray 3 (optional 250-sheet input tray). Figure 7-129Removing Tray 3 C4170-90959 Parts Removal Tree 247...

  • Page 258: Tray 3 Pickup Roller Removal

    Tray 3 Pickup Roller Removal Remove the following assemblies: • Remove the Tray 3 Cassette Assembly. (See “Tray 3 Cassette Assembly Removal” (page 247) for instructions.) • Place the Tray 3 paper cassette assembly top-down with the front of it facing outward (see figure 7-130).

  • Page 259: Tray 3 Paper Feeder Drive Assembly Removal

    Tray 3 Paper Feeder Drive Assembly Removal Remove the following assemblies: • Remove the Tray 3 Cassette Assembly. (See “Tray 3 Cassette Assembly Removal” (page 247) for instructions.) • Remove the Tray 3 pickup roller. (See “Tray 3 Pickup Roller Removal” (page 248) for instructions.) To remove the cover shown in figure 7-131 insert a flat-blade screwdriver in the latch openings.

  • Page 260

    Remove the four screws shown in figure 7-132. Figure 7-132Removing Tray 3 Wire Connectors and Screws Press and hold the metal latch on the right-side of the assembly, and then lift to remove the Tray 3 paper feeder drive assembly. 250 7 Removal and Replacement C4170-90959...

  • Page 261: Tray 3 Solenoid Removal

    Tray 3 Solenoid Removal Remove the following assemblies: • Remove the Tray 3 Cassette Assembly. (See “Tray 3 Cassette Assembly Removal” (page 247) for instructions.) • Remove the Tray 3 pickup roller. (See “Tray 3 Pickup Roller Removal” (page 248) for instructions.) •...

  • Page 262

    252 7 Removal and Replacement C4170-90959...

  • Page 263

    Parts and Diagrams Overview External Covers and Panels - - - - - - - - - - - - - - - 254 Internal Components - - - - - - - - - - - - - - - - - - - 257 Printer Drive Assembly - - - - - - - - - - - - - - - - - - 265 Paper Feeder Drive Assembly - - - - - - - - - - - - - - 267 Paper Tray - - - - - - - - - - - - - - - - - - - - - - - - 269...

  • Page 264: External Covers And Panels

    External Covers and Panels Figure 8-1 Printer External Covers and Panels 254 8 Parts and Diagrams C4170-90959...

  • Page 265

    Table 8-1. Printer External Covers and Panels Description Part Number FORMATTER PCB C4132-67901 MP COVER ASSY RG5-4121-000CN TRAY, EXPANSION 1 RB2-3036-000CN TRAY, EXPANSION 1 RB2-3037-000CN LEFT COVER ASSY RG5-4139-000CN BUTTON, POWERSWITCH RB2-2859-000CN SPRING, COMPRESSION RB2-2860-000CN COVER, REAR RB2-2857-000CN DIMM COVER ASSY RG5-4123-000CN COVER, DIMM RB2-2861-000CN...

  • Page 266: Top Cover Assembly

    Top Cover Assembly Figure 8-2 Top Cover Assembly Table 8-2. Top Cover Assembly Description Part Number TOP COVER ASSY RG5-4122-000CN COVER, CARTRIDGE RB2-2856-000CN SCREW, M4X10 XA9-0606-000CN 256 8 Parts and Diagrams C4170-90959...

  • Page 267: Internal Components

    Internal Components Figure 8-3 Internal Components (1 of 3) Table 8-3. Internal Components (1 of 3) Description Part Number RH7-1382-000CN FILTER, DUST RB2-2817-000CN C4170-90959 Internal Components 257...

  • Page 268

    Table 8-3. Internal Components (1 of 3) (continued) Description Part Number MP SENSOR CABLE RG5-4254-000CN DC POWER CABLE RG5-4255-000CN INTERLOCK SWITCH CABLE RG5-4256-000CN CONNECTOR, 6P VS1-6173-006 PAPER FEEDER CABLE RG5-4262-000CN FRAME GROUND CABLE RG5-4263-000CN LASER-SCANNER ASSY RG5-4172-000CN MAIN MOTOR ASSY RH7-1380-000CN CABLE, FLAT RH2-5350-000CN...

  • Page 269

    Figure 8-4 Internal Components (2 of 3) C4170-90959 Internal Components 259...

  • Page 270

    Table 8-4. Internal Components (2 of 3) Description Part Number MP PICK-UP ASSY RG5-4128-000CN ROLLER, PICK-UP RB2-2900-000CN CAM, ROLLER RB2-2901-000CN CAM, LFT RB2-2902-000CN CAM, RT RB2-2903-000CN ROLLER RB2-2904-000CN PIN, DOWEL XD9-0159-000CN SPRING RETAINER RB1-2190-000CN GEAR, 26T RS6-0444-000CN FU DELIVERY ROLLER ASSY RG5-4119-000CN ROLLER, FACE-DOWN LWR RB2-2849-000CN...

  • Page 271

    Figure 8-5 Internal Components (3 of 3) Table 8-5. Internal Components (3 of 3) Description Part Number PAD, SEPARATION RB2-2835-000CN HINGE, LFT RB2-3041-000CN HINGE, RT RB2-3042-000CN SPRING, COMPRESSION RS6-2024-000CN SPRING, TENSION RS6-2030-000CN SPRING, COMPRESSION RB2-2828-000CN SPRING, COMPRESSION RB2-2829-000CN SPRING, COMPRESSION RB2-2845-000CN C4170-90959 Internal Components 261...

  • Page 272

    Table 8-5. Internal Components (3 of 3) (continued) Description Part Number SPRING, LEAF, GROUNDING RB2-3045-000CN SHAFT, IDLER RB2-3074-000CN GEAR, 20T RS6-0464-000CN HOLDER, SEPARATION PAD RB2-2838-000CN ROLLER RB2-3046-000CN HOLDER, ROLLER RB2-3047-000CN SHAFT RB2-3048-000CN SPRING, COMPRESSION RS6-2033-000CN PLATE, GROUNDING RB2-3080-000CN SPRING, TORSION RB2-3050-000CN RING, E XD9-0134-000CN...

  • Page 273: Fuser

    Fuser Figure 8-6 Fuser C4170-90959 Internal Components 263...

  • Page 274

    Table 8-6. Fuser Description Part Number FIXING/FUSING ASSY 110V RG5-4132-000CN FIXING/FUSING ASSY 220V RG5-4133-000CN PLATE, GROUNDING RB2-2990-000CN BUSHING RB2-2973-000CN GUIDE, ENTRANCE RB2-2974-000CN PLATE, PRESSURE RB2-2975-000CN BUSHING RB2-2985-000CN ROLLER, PRESSURE RF5-2601-000CN ROLLER, DELIVERY RF5-2603-000CN GEAR, 14T RS6-0442-000CN GEAR, 15T RS6-0443-000CN GEAR, 26T RS6-0458-000CN SPRING, COMPRESSION RS6-2029-000CN...

  • Page 275: Printer Drive Assembly

    Printer Drive Assembly Figure 8-7 Printer Drive Assembly Table 8-7. Printer Drive Assembly Description Part Number PRINTER DRIVE ASSY RG5-4131-000CN SHAFT, COUPLING RB2-2935-000CN BUSHING RB2-2936-000CN PLATE, MOTOR RB2-2937-000CN LEVER, DRIVE RELEASE RB2-2939-000CN RAIL, GUIDE RB2-2944-000CN PLATE, MOUNT RB2-2945-000CN GEAR, 201T RS6-0446-000CN C4170-90959 Printer Drive Assembly 265...

  • Page 276

    Table 8-7. Printer Drive Assembly (continued) Description Part Number GEAR, 58T/92T RS6-0447-000CN GEAR, 17T/68T RS6-0448-000CN GEAR, 25T/41T RS6-0449-000CN GEAR, 31T RS6-0450-000CN GEAR, 26T RS6-0451-000CN GEAR, 67T RS6-0455-000CN GEAR, 23T/46T RS6-0453-000CN GEAR, 22T/86T RS6-0456-000CN GEAR, 53T RS6-0457-000CN RB2-2943-000CN SPRING, COMPRESSION RS6-2027-000CN HOLDER, PIN RB2-2947-000CN PLATE, SPRING...

  • Page 277: Paper Feeder Drive Assembly

    Paper Feeder Drive Assembly Figure 8-8 Paper Feeder Drive Assembly C4170-90959 Paper Feeder Drive Assembly 267...

  • Page 278

    Table 8-8. Paper Feeder Drive Assembly Description Part Number PAPER FEED DRIVE ASSY RG5-4391-000CN COLLAR, SPRING RB1-2190-000CN SHAFT, DRIVE RB2-2893-000CN BUSHING RB2-3475-000CN SPRING, LEAF RB2-3478-000CN CAP, SPRING RB1-6133-000CN GEAR, 27T RS6-0495-000CN GEAR, 39T/34T RS6-0497-000CN GEAR, 45T RS6-0498-000CN SPRING, TENSION RS6-2061-000CN SPRING, TENSION RS6-2062-000CN SOLENOID...

  • Page 279: Paper Tray

    Paper Tray Figure 8-9 Paper Tray C4170-90959 Paper Tray 269...

  • Page 280

    Table 8-9. Paper Tray Description Part Number PAPER CASSETTE ASSY RG5-4138-000CN COVER, FRONT RB2-3000-000CN BODY, CASSETTE RB2-3001-000CN PLATE, END RB2-3003-000CN ARM, RELEASE, LFT RB2-3004-000CN ARM, RELEASE, RT RB2-3005-000CN ARM, LOCK RB2-3009-000CN ARM, SENSOR RB2-3010-000CN PLATE, UPPER LIFTING RF5-2599-000CN SHEET, SEPARATION RB2-3007-000CN GEAR, 10T RS6-0440-000CN...

  • Page 281: Paper Tray Pickup Assembly

    Paper Tray Pickup Assembly Figure 8-10Paper Tray Pickup Assembly C4170-90959 Paper Tray 271...

  • Page 282

    Table 8-10. Paper Tray Pickup Assembly Description Part Number PAPER PICK-UP ASSY RG5-4127-000CN ROLLER, PICK-UP RB2-2891-000CN ROLLER RB2-2892-000CN SHAFT, DRIVE RB2-2893-000CN LEVER, PAPER SENSOR RB2-2894-000CN BUSHING, RT RB2-2895-000CN BUSING, LFT RB2-2896-000CN BUSHING RB2-2897-000CN ROLLER RB2-2898-000CN HOLDER, GEAR RB2-2899-000CN BUSHING RB2-3081-000CN BUSHING RB2-3082-000CN SHAFT...

  • Page 283: Paper Tray External Covers

    Paper Tray External Covers Figure 8-11 Paper Tray External Covers C4170-90959 Paper Tray 273...

  • Page 284

    Table 8-11. Paper Tray External Covers Description Part Number FOOT RB2-2816-000CN FRAME, FEEDER RB2-3471-000CN COVER, 3 RB2-3489-000CN COVER, 1 RB2-3479-000CN COVER, 2 RB2-3480-000CN LOWER FEED ROLLER ASSY RG5-4394-000CN ROLLER RB2-3484-000CN HOLDER, ROLLER RB2-3485-000CN SPRING, COMPRESSION RS6-2063-000CN SCREW, M4X8 XA9-0605-000CN 274 8 Parts and Diagrams C4170-90959...

  • Page 285: Paper Tray Internal Components

    Paper Tray Internal Components Figure 8-12Paper Tray Internal Components C4170-90959 Paper Tray 275...

  • Page 286

    Table 8-12. Paper Tray Internal Components Description Part Number ROLLER, PICK-UP RB2-2891-000CN ROLLER RB2-2892-000CN BUSHING, RT RB2-2895-000CN BUSHING, LFT RB2-2896-000CN LEVER, SENSOR RB2-3474-000CN SCREW, W/WASHER M3X8 XA9-0924-000CN IC, TLP1242 WG8-5382-000CN PAPER FEED DRIVE PCB ASSY RG5-4277-000CN SENSOR CABLE RG5-4278-000CN CONNECTOR VS1-6174-006 RELAY CABLE RG5-4280-000CN...

  • Page 287: Hardware Table

    Hardware Table Table 8-13. Hardware Table Example Description Part Number ????? Screw, M4X10 XA9-0606 ????? Screw, M3X6 XA9-0836 Screw, tapping, pan head, M3X4 XB-7300-407 Screw, M3X8 XB2-7300-607 Screw, M3X8 XB2-7300-807 or XA9-0924? Screw, M3X8 XB2-7300-807 or XA9-0924? Screw, M4x12 XA9-0773 C4170-90959 Hardware Table 277...

  • Page 288

    Table 8-13. Hardware Table (continued) Example Description Part Number Screw, M4x12 (brass colored pan head) ????? 278 8 Parts and Diagrams C4170-90959...

  • Page 289: Alphabetical Parts List

    Alphabetical Parts List Table 8-14. Alphabetical Parts List Description Part Number Table and Page ARM, DRIVE RB2-2938-000CN table 8-7 on page 265 ARM, LOCK RB2-3009-000CN table 8-9 on page 270 ARM, RELEASE, LFT RB2-3004-000CN table 8-9 on page 270 ARM, RELEASE, RT RB2-3005-000CN table 8-9 on page 270 ARM, SENSOR...

  • Page 290

    Table 8-14. Alphabetical Parts List (continued) Description Part Number Table and Page COLLAR, SPRING RB1-2190-000CN table 8-8 on page 268 CONNECTOR VS1-6174-006 table 8-12 on page 276 CONNECTOR, 6P VS1-6173-006 table 8-3 on page 257 COUPLING ASSEMBLY RG5-4140-000CN table 8-7 on page 265 COUPLING ASSY R6504140-000CN table 8-7 on page 265...

  • Page 291

    Table 8-14. Alphabetical Parts List (continued) Description Part Number Table and Page GEAR, 10T RS6-0440-000CN table 8-9 on page 270 GEAR, 13T RS6-0463-000CN table 8-10 on page 272 GEAR, 14T RS6-0442-000CN table 8-6 on page 264 GEAR, 14T RS6-0445-000CN table 8-4 on page 260 GEAR, 14T RS6-0462-000CN table 8-10 on page 272...

  • Page 292

    Table 8-14. Alphabetical Parts List (continued) Description Part Number Table and Page HINGE, LFT RB2-3041-000CN table 8-5 on page 261 HINGE, RT RB2-3042-000CN table 8-5 on page 261 HOLDER, CONTACT RF5-2609-000CN table 8-6 on page 264 HOLDER, GEAR RB2-2899-000CN table 8-10 on page 272 HOLDER, PIN RB2-2947-000CN table 8-7 on page 265...

  • Page 293

    Table 8-14. Alphabetical Parts List (continued) Description Part Number Table and Page PAPER PICK-UP ASSY RG5-4127-000CN table 8-10 on page 272 RB2-2943-000CN table 8-7 on page 265 PIN, DOWEL XD9-0159-000CN table 8-4 on page 260 PIPE RB2-2867-000CN table 8-1 on page 255 PLATE RB2-3481-000CN table 8-8 on page 268...

  • Page 294

    Table 8-14. Alphabetical Parts List (continued) Description Part Number Table and Page RT SIDE PLATE ASSY RG5-4158-000CN table 8-9 on page 270 SCREW, M4X10 XA9-0606-000CN table 8-2 on page 256 SCREW, M4X8 XA9-0605-000CN table 8-11 on page 274 SCREW, MACHINE M4X8 XB6-7400-809 table 8-12 on page 276 SCREW, W/WASHER M3X8...

  • Page 295

    Table 8-14. Alphabetical Parts List (continued) Description Part Number Table and Page SPRING, LEAF RB2-3012-000CN table 8-9 on page 270 SPRING, LEAF RB2-3478-000CN table 8-8 on page 268 SPRING, LEAF, GROUNDING RB2-3045-000CN table 8-5 on page 261 SPRING, TENSION RS6-2025-000CN table 8-4 on page 260 SPRING, TENSION RS6-2028-000CN...

  • Page 296: Numerical Parts List

    Numerical Parts List Table 8-15. Numerical Parts List Part Number Description Table and Page C4132-67901 FORMATTER PCB table 8-1 on page 255 R6504140-000CN COUPLING ASSY table 8-7 on page 265 RB1-2190-000CN COLLAR, SPRING table 8-8 on page 268 RB1-2190-000CN SPRING RETAINER table 8-4 on page 260 RB1-6133-000CN CAP, SPRING...

  • Page 297

    Table 8-15. Numerical Parts List (continued) Part Number Description Table and Page RB2-2876-000CN TRAY, FACE-UP table 8-1 on page 255 RB2-2885-000CN GEAR, 18T table 8-1 on page 255 RB2-2886-000CN SHEET, SEPARATION MP table 8-1 on page 255 RB2-2891-000CN ROLLER, PICK-UP table 8-10 on page 272 RB2-2891-000CN ROLLER, PICK-UP...

  • Page 298

    Table 8-15. Numerical Parts List (continued) Part Number Description Table and Page RB2-2949-000CN WASHER table 8-7 on page 265 RB2-2950-000CN FLANGE, SPRING table 8-7 on page 265 RB2-2973-000CN BUSHING table 8-6 on page 264 RB2-2974-000CN GUIDE, ENTRANCE table 8-6 on page 264 RB2-2975-000CN PLATE, PRESSURE table 8-6 on page 264...

  • Page 299

    Table 8-15. Numerical Parts List (continued) Part Number Description Table and Page RB2-3072-000CN COVER, GEAR table 8-1 on page 255 RB2-3074-000CN SHAFT, IDLER table 8-5 on page 261 RB2-3080-000CN PLATE, GROUNDING table 8-5 on page 261 RB2-3081-000CN BUSHING table 8-10 on page 272 RB2-3082-000CN BUSHING table 8-10 on page 272...

  • Page 300

    Table 8-15. Numerical Parts List (continued) Part Number Description Table and Page RG5-4133-000CN FIXING/FUSING ASSY 220V table 8-6 on page 264 RG5-4134-000CN FUSING FILM ASSY 110V table 8-6 on page 264 RG5-4135-000CN FUSING FILM ASSY 220V table 8-6 on page 264 RG5-4138-000CN PAPER CASSETTE ASSY table 8-9 on page 270...

  • Page 301

    Table 8-15. Numerical Parts List (continued) Part Number Description Table and Page RS6-0443-000CN GEAR, 15T table 8-6 on page 264 RS6-0444-000CN GEAR, 26T table 8-4 on page 260 RS6-0445-000CN GEAR, 14T table 8-4 on page 260 RS6-0446-000CN GEAR, 201T table 8-7 on page 265 RS6-0447-000CN GEAR, 58T/92T table 8-7 on page 265...

  • Page 302

    Table 8-15. Numerical Parts List (continued) Part Number Description Table and Page RS6-2033-000CN SPRING, COMPRESSION table 8-5 on page 261 RS6-2034-000CN SPRING, TORSION table 8-10 on page 272 RS6-2035-000CN SPRING, COMPRESSION table 8-9 on page 270 RS6-2061-000CN SPRING, TENSION table 8-8 on page 268 RS6-2062-000CN SPRING, TENSION table 8-8 on page 268...

  • Page 303

    Index Symbols parts and diagrams 254 !IXGEN_DONT_EDIT_THIS! 94 declaration of conformity 11 demo page (printing) 45 acoustic emissions 5 documentation (ordering) 17 assembly locations external 6 internal 8 economode 65, 74 electrical specifications 5 engine control system 77 bench repair 16 engine test 48, 105 buttons on control panel 44 envelope specifications 32...

  • Page 304

    HP express exchange 16 model and serial numbers 4 HP FIRST (fax information retrieval support technology) 18 motor control 78 hp support 19 MSDS 12 identification 4 noise levels for printer 5 image adapt 75 image formation system 80 ordering image quality 110 consumables 17 input trays 30...

  • Page 305

    paper trays 30 self-test paper weight equivalence table 39 continuous 47 part numbers printing configuration page 46 alphabetical list 279 sensors 142 numerical list 286 serial and model numbers 4 parts (ordering) 16 service approach 16 parts and diagrams service check points 58 covers 254 service mode 49 fuser 263...

  • Page 306

    redistributing toner 66 refilled 64 specifications 62 storage 62 weights 65 toner cartridge (components) 81 toner safety 12 toner spills 63 transparency specifications 36 tray 1 paper sizes 31 tray 2 paper detection 88 paper sizes 31, 32 tray 3 paper sizes 32 tray, optional paper sizes 31...

This manual also for:

2100tn - laserjet b/w laser printer

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