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HP DesignJet650C
User Guide

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Summary of Contents for HP 650C

  • Page 1 PrinterFAQ.COM HP DesignJet650C User Guide...
  • Page 2: Service Manual

    SERVICE MANUAL HP C2858A/C2859A DRAFTING PLOTTERS SERIAL NUMBERS This manual applies directly to HP C2858A and C2859A plotters with serial numbers prefixed USA. For additional information about serial numbers, see SERIAL NUMBER INFORMATION in Chapter 1. HEWLETT-PACKARD COMPANY 1993 16399 W. BERNARDO DRIVE...
  • Page 3: Using This Manual

    Using this Manual This service manual contains information necessary to test, adjust, and service the Hewlett-Packard Models C2858A and C2859A DesignJet 650C plotters. It is designed to help you easily find the cause of a C2858A/C2859A hardware problem and to perform the necessary repairs and adjustments to get the plotters into proper operating condition.
  • Page 4 Chapter 4. Preventive Maintenance Chapter 4 contains information you will need to keep the plotters in their best operating condition. Included are procedures that can be performed by the user. Chapter 5. Functional Overview This chapter contains a simplified description of the plotter circuits and mechanical functions.
  • Page 5: Table Of Contents

    ..........HP-IB Interface .
  • Page 6: Chapter Page

    Chapter Loading Roll Media ..........Unloading Roll Media .
  • Page 7 Chapter Removal and Replacement Introduction ............Safety Considerations .
  • Page 8 Chapter Cutter Enclosure Assembly Removal Entry Platen Assembly Removal Drive Roller Assembly Removal Automatic Bail Lift Mechanism Removal Media Diverter Removal ......... . Pinch Arm and Lift Mechanism Removal Adjustments/Calibrations Introduction...
  • Page 9 Chapter Product History Introduction ............History of Assemblies by Serial Number History of Printed Circuit Assemblies (PCAs) Parts and Diagrams...
  • Page 10 General Definitions of Safety Symbols International caution symbol (refer to manual): the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect against damage to the instrument.
  • Page 11: Product Information

    Chapter 1 INTRODUCTION This chapter contains a listing of documentation supplied with the HP C2858A and C2859A DesignJet 650C plotters. Also provided are: descriptions of the plotters, information on the plotter features, options and accessories, performance characteristics, and plotter serial number information.
  • Page 12: Description

    (Japanese tracing) paper, vellum, or special inkjet-compat- ible drafting film. Quality color output is only supported when using HP special inkjet paper. C2858/9A DesignJet 650C plotters can produce plots on single-sheet media or roll-feed me- dia.
  • Page 13 The standard HP C2858/9A DesignJet 650C has four megabytes of on-board random access memory (RAM). Memory expansion upgrades to 20 MB are available as well as various ROM enhancement and modular I/O options. Other features that are standard include: Automatic media edge sensing...
  • Page 14: Options

    PostScript ROM Kit = P/N C2882A MODULAR INPUT/OUTPUT (MIO) PCAs Interface circuitry is provided on the plotters which allows the user to install HP supported modular I/O (MIO) cards for several interface applications. Although multiple protocols may reside on an MIO, they are not simultaneously supported, only one protocol at at time can be used.
  • Page 15: Accessories

    Depending upon the country of destination, the part numbers of items listed as English or U.S. will differ. Accessories available for use with the C2858/9A DesignJet 650C plotters are listed in the Supplies Catalog. Table 1-1. Accessories Supplied...
  • Page 16: Performance Characteristics

    Table 1-2. Performance Characteristics Accuracy 0.38 mm (0.015 in.) or 0.2% of the specified vector length, whichever is greater at 23 C (73 F) at 50-60% RH, on HP film (monochrome mode only). Throughput D-sized loaded vertically: plain paper Draft mode...
  • Page 17: Site Planning And Requirements

    Site Planning and Requirements INTRODUCTION This chapter contains information concerning the electrical requirements for the installation of HP C2858A and C2859A plotters. Also included is information on environmental operat- ing conditions and physical specifications for the plotters. Introduction ............
  • Page 18: Electrical Specifications

    ELECTRICAL SPECIFICATIONS POWER REQUIREMENTS HP C2858A and C2859A DesignJet 650C plotters have self-adjusting power supplies and do not require voltage selector or switch settings prior to use. Table 2-1 lists the power require- ments for the plotters. Table 2-1. Power Requirements...
  • Page 19: Environmental Specifications

    ENVIRONMENTAL SPECIFICATIONS Table 2-2 lists environmental specifications for the plotters. Table 2-2. Environmental Specifications Temperature Storage Operating Optimal Operating Relative Humidity (Operating) PHYSICAL SPECIFICATIONS The plotter physical specifications are listed in Table 2-3. Table 2-3. Physical Specifications Length Depth Height Weight Packaging: Plotter Body...
  • Page 20: Cable Restrictions

    Interface. HP-IB INTERFACE The HP-IB (Hewlett-Packard Interface Bus) allows up to 15 devices to be connected. The maximum cable length is restricted to 2 metres (6.6 ft.) per device up to a total of 20 metres (65.8 ft.). The devices may be connected in a star or linear bus network.
  • Page 21: Installation And Configuration

    INTRODUCTION This chapter contains the information required to configure and verify proper operation of the HP C2858A and C2859A DesignJet 650C plotters. Print cartridge and media loading pro- cedures, as well as front panel menu structures, are also provided. Introduction .
  • Page 22: Installation Instructions

    DesignJet 650C documentation listed in Chapter 1 of this manual. LINE VOLTAGE AND FUSING The HP C2858/9A DesignJet 650C plotter’s power supply automatically adjusts to the input voltage. The plotter’s autoranging power supply accepts an input of 90 to 264 Vac.
  • Page 23 BS 1363A 250 Vac, 13 A, Single Phase plug rating. For use in United Kingdom, Cypress, Nigeria, Zimbabwe, Singapore. AS C112 250 Vac, 10 A, Single Phase plug rating. For use in Australia, New Zealand. CEE 7–VII 250 Vac, 10/16 A, Single Phase plug rating. For use in East and West Europe, Egypt.
  • Page 24: User Information And Operation

    (shiny side up). MEDIA TYPE AND PRINT QUALITY DesignJet 650C plotters have several combinations of plotting modes. Each mode is depen- dent upon the color/monochrome setting, media type, and print quality settings input through the front panel. Interaction between the settings produces the ten modes. Each mode has a unique combination of print resolution, number of passes and resultant ink-drying time.
  • Page 25: Media Cutting And Stacking

    Real-time switching between plotting modes is not supported. If the user selects another mode while plotting, the plotter waits until the current plot is finished and then switches to the newly selected mode. MEDIA CUTTING AND STACKING Automatic and manual cutting of plots is available on the C2858/9A. In roll media opera- tions, the user can choose between continuous plotting or cutting plots off the roll automati- cally as they are completed.
  • Page 26: Usable Media Sizes

    USABLE MEDIA SIZES Media of different types and sizes can be used on the plotters. Refer to Table 3-1 for the media sizes usable on each plotter. C2858A ISO A4 - A1 ANSI A - D ARCH A - D JIS B4 - B2 Oversize A2 24 in.
  • Page 27 (C) C2847-10(UM) Removing the Media Stop and Endcap Figure 3-2. (C) C2847-16(UM) Sliding the New Roll onto the Spindle Figure 3-3. Installation and Configuration...
  • Page 28 3. Open the roll cover and insert the spindle, with the endcap at the left and the media stop at the right. Firmly push on both ends. See Figure 3-4. Roll Cover (C) C2847-31(UM) 4. Once the roll is in place, push the media all the way to the right, so that it’s flush against the media stop.
  • Page 29 Cutting Track Trimming the Leading Edge of the Media (C) C2847-15(UM) Loading the Leading Edge of the Media 10. When the front panel displays ªSheet load/Roll load,º press the button to select ªRoll load.º 11. When the front panel displays ªSELECT MEDIA,º press the button to scroll through and select the media choice.
  • Page 30: Unloading Roll Media

    the media so that they are flush with the left and right edges of the roll. See Figure 3-7. (C) C2847-97(UM) Aligning the Left and Right Edges of the Media 14. When the front panel instructs you, lower the pinchwheel lever. The plotter checks to make sure the roll is properly aligned.
  • Page 31: Loading Sheet Media

    LOADING SHEET MEDIA To load sheet media, perform the following steps: 1. Ensure that the pinchwheel lever is down and the roll cover is closed. 2. Load the leading edge of the sheet making sure to push the sheet in straight (not skewed) while aligning the right edge of the sheet with the perforated line on the entry platen.
  • Page 32: Unloading Sheet Media

    If difficulty in loading sheet media is experienced, an alternate method of loading is possible. Do the following: 1. Ensure that the pinchwheel lever is down and the roll cover is closed. 2. Raise the window on the plotter. 3. Insert the sheet into the plotter until the leading edge hits the stops inside the platen area.
  • Page 33: Pen Checking

    PEN CHECKING Ink usage for cartridges may vary depending upon the ratio of color versus monochrome plotting and the extent of each color used. Cartridge replacement is necessary only when any of the following conditions occur: Pen Checking is ON and you elect to replace the cartridges when the plotter prompts you.
  • Page 34: Accessing Pens

    Figure 3-9 shows you how to visually check the ink level in a cartridge. ACCESSING PENS Press the Access Pens button to access the pen carriage when you need to replace, reseat, or clean pens. The pen carriage will move into the platen area to allow easy access to the pens. Each time the pen carriage moves out from its service station so that you can access the pens, the pen nozzles are exposed to the air.
  • Page 35 1. Press the Access Pens button. The pen carriage moves out from the pen service sta- tion at the left of the plotter and stops in front of the slot in the bail. 2. When the pen carriage stops and the display reads ªOpen window to access pens,º open the window.
  • Page 36: Selectable Ink-Drying Times

    SELECTABLE INK-DRYING TIMES User-selectable ink-drying times are available on the DesignJet 650C plotters through the front panel menus. Dry time determines how long the plotter waits before cutting the plot. Users should be cautioned that insufficient dry time can result in plot smearing as plots are stacked in the media bin.
  • Page 37: Configuration

    CONFIGURATION FRONT PANEL CONTROLS Plotter set-up and plot management functions are input through the front panel. The front panel contains a 2-row by 20-character vacuum fluorescent display. Menu scrolling and im- plementation are accomplished through 4 menu buttons. Plotting modes are initiated through the color/monochrome select buttons and print quality buttons.
  • Page 38 Front panel controls and LEDs are described below. Menu buttons: Previous Enter (L) C2847-1a Plot Mode (Color/Mono and print quality) buttons Enhanced Color Final Mono Draft Plot Type Media Type Print Quality Mono Paper Draft Final Enhanced Mono Trans/Vel Draft Final Enhanced Mono...
  • Page 39 Action buttons: Cancel stops current operation (plotting, accuracy calibration, pen alignment and media loading). Form Feed/Cut advances the page and, if roll media, cuts it. Access Pens brings the pen carriage out to the plotting area for pen access. (Plotter window must be closed).
  • Page 40: Front Panel Menus

    Chapter 1 in this manual for more information regarding these guides. Figure 3-12, located at the end of this chapter, provides a diagram of the menu tree showing the various menus and submenus of the DesignJet 650C plotters. Both the short and full menu structures are presented on the diagram.
  • Page 41: Front Panel Languages

    FRONT PANEL LANGUAGES DesignJet 650C plotter menus and messages can be configured to display in English, French (ªFrancaisº), German (ªDeutschº), Spanish (ªCastell.º), Italian (ªItalianoº), Portuguese (ªPortugueseº) and Japanese (Katakana) characters. To change the display language, or if the display is in a language you cannot understand, use the following procedure to get to a language you do understand.
  • Page 42: Front Panel Messages

    FRONT PANEL MESSAGES In addition to the menus that appear in the front panel display, three types of messages may also appear in the display. They are state messages, action messages, and error messages. State messages do not require any action and serve to notify the user of any current plotter actions occurring.
  • Page 43 Table 3-2. State Messages (Continued) Message State Pen palette The pen source, pen number widths, and pen number shades you just en- saved tered have been saved as either Palette A or Palette B (whichever you specified). Returning pens The pen carriage is returning to its station at the left of the plotter. Roll feed Machine is trimming the edge of roll media.
  • Page 44 Message Action Special Media Press Up Arrow for Color plotting on Special (CX) paper. Mono Media Press Down Arrow for Monochrome plotting. Calibrate done Accuracy calibration is complete. Press Down Arrow to continue. Continue Can’t replot Replot buffer doesn’t have enough memory to hold the entire plot. Re- Resend plot send the plot.
  • Page 45 Message Action Pull / Align Grasp the left and right free edges of the roll media and pull toward edges to roll you until the media is taut. At the same time, align the left and right edges of the media so that they are flush with the left and right edges of the roll.
  • Page 46: Operational Verification

    OPERATIONAL VERIFICATION DesignJet 650C plotters contain several types of internal operational checks and tests to en- sure that the plotter is properly functioning and to help identify problems if any are detected. POWER-ON SELF-TEST Whenever the plotter is switched ON, it automatically performs a series of internal self-tests and initialization sequences which check the basic electrical and mechanical functions of the plotter.
  • Page 47: Preventive Maintenance

    Chapter 4 INTRODUCTION This chapter contains information on keeping the HP C2858A and C2859A DesignJet 650C plotters in good operating condition. Included are general cleaning procedures to be per- formed by the user. Introduction ............
  • Page 48: Effect On Product Reliability

    EFFECT ON PRODUCT RELIABILITY To maintain the plotter in good operating condition, keep it free of dust accumulation, ink, and other contamination. Cleaning intervals are determined by the local conditions under which the plotter is operated and by the types of plotter supplies used. As with any precision electronics equipment, proper maintenance will help to ensure reliability and prolong prod- uct life.
  • Page 49: Drive Roller Cleaning

    DRIVE ROLLER CLEANING The drive roller cleaning procedure should be W A R N I N G performed only by service-trained personnel; otherwise personal injury may occur. If ink is spilled on the drive roller, remove the ink. Due to the ink’s reflectance, ink on the roller can disrupt the plotter’s edge-sensing function.
  • Page 50 The speed of the drive roller can be reduced or speeded up by pressing the appropriate arrow button. 11. Apply any common household cleaning solution (e.g. BonAmi aerosol, Simple Green) to a soft, lint-free rag and apply it to the drive roller surface while it is rotat- ing.
  • Page 51: Functional Overview

    Chapter 5 INTRODUCTION This chapter contains a simplified description of the HP C2858A and C2859A DesignJet 650C plotters circuits and mechanical functions. Mechanical and Printed Circuit Assembly (PCA) overviews present a functional description of how the plotter operates. Introduction ............
  • Page 52: Simplified Description Of Circuits

    Centronics or an RS-232-C interface. If an approved modular input/output (MIO) printed circuit assembly (PCA) is installed, the circuits can communicate by way of an HP- IB interface or be connected to a network. The main processor reads Centronics, HP-IB, and Ethernet communications through the port it uses to read memories (ROM or DRAM).
  • Page 53: Mechanical Overview

    The servo processor controls the servo motors, front panel, fan, electrically erasable read-on- ly memory (EEROM), and the stepper drive. It sends configuration information to the car- riage processor via its serial port. The EEROM stores plotter calibration and configuration information while power is OFF.
  • Page 54 An internal cooling fan is supplied with +12 V . It is switched ON and OFF by the servo pro- cessor and is mounted in the electronics enclosure at the rear of the plotter. The fan is primari- ly used to cool the power supply PCA when plotting. When the plotter is not plotting, the fan is switched OFF.
  • Page 55: Printed Circuit Assembly (Pca) Overview

    PRINTED CIRCUIT ASSEMBLY (PCA) OVERVIEW MAIN PCA There are two clocks on the main PCA. The main clock provides a 31.85 MHz signal directly to the main processor. The 31.85 MHz is divided by the main processor, and the resulting signal is provided to the processor support ASIC.
  • Page 56: Carriage Pca

    CARRIAGE PCA The carriage PCA contains an application-specific, integrated circuit (ASIC) that controls the operation of the pens and pen drivers that switch power pulses from the ASIC to fire the pens. It also provides feedback to the main PCA as to the current position of the carriage as- sembly.
  • Page 57: Interconnect Pca

    The dual-voltage, remote sense circuitry sends a + or – sense signal to the dual voltage regu- lators on the interconnect PCA when the voltage to the print heads deviates from the opti- mum pen voltages. The regulator will then adjust the voltage to bring it back to the optimum value.
  • Page 58: Drop And Bail Sensors

    BAIL signal is +5 V . The bail signal is sent to the servo processor on the main PCA. POWER SUPPLY PCA An auto-ranging power supply for the DesignJet 650C plotter is located in the electronics enclosure assembly. It accepts and automatically adjusts to an ac input of 90 V through 264 V and produces regulated voltages of +5 V , +12 V , and –12 V and an unregulated +24 V .
  • Page 59: Removal And Replacement

    Chapter 6 INTRODUCTION This chapter contains repair information including safety and ESD precautions, a list of tools required for plotter repair and procedures for the removal and replacement of HP DesignJet 650C field replaceable assemblies. Introduction ............
  • Page 60 Service Station Assembly Removal Overdrive Support Assembly Removal Cutter Enclosure Assembly Removal Entry Platen Assembly Removal Drive Roller Assembly Removal Automatic Bail Lift Mechanism Removal Media Diverter Removal ......... . Pinch Arm and Lift Mechanism Removal Removal and Replacement .
  • Page 61: Safety Considerations

    SAFETY CONSIDERATIONS The Safety Symbols used with Hewlett-Packard instruments are illustrated in the front mat- ter of this manual. WARNING and CAUTION symbols and instructions must be reviewed before service work is performed. These warnings and cautions must be followed for your protection and to avoid damage to the plotter.
  • Page 62: Required Tools

    REQUIRED TOOLS Tools required to disassemble and repair the HP DesignJet 650C plotters are listed in Table 6-1. Item Torx Screwdriver with bits Screwdriver, flat-blade Nut Drivers Pliers, needle-nose Wrenches, socket or open-end REPAIR PROCEDURES Unless otherwise specified, reassembling should be performed in the reverse order of disas- sembly.
  • Page 63: Dram Simm And Rom Module Removal

    DRAM SIMM AND ROM MODULE REMOVAL To install or remove and replace a module, perform the following steps: 1. Using a small flat blade or Torx T10 screwdriver, remove the four screws that attach the cover plate to the back of the plotter and remove the cover plate. See Figure 6-1. (C)C2858-32 2.
  • Page 64: Mio Card Removal

    MIO CARD REMOVAL To install or remove and replace an MIO card, refer to Figure 6-2 and perform the following steps: 1. If an MIO card is not already installed, use a small flat blade or Torx T10 screwdriver to remove the two screws that attach the cover plate to the top back of the plotter. Remove the cover plate.
  • Page 65: Electronics Enclosure Cover Removal

    ELECTRONICS ENCLOSURE COVER REMOVAL To remove the electronics enclosure cover, perform the following procedure: 1. Switch the plotter OFF and disconnect the ac power cord and interface cable from the plotter. 2. If a modular input/output (MIO) card is installed, remove the MIO from the plotter. 3.
  • Page 66: Interconnect Pca Removal

    INTERCONNECT PCA REMOVAL To remove the interconnect PCA, refer to Figure 6-4 and perform the following steps: 1. Remove the electronic enclosure cover. The cable connectors disconnected in the next step are labeled ªPº for paper axis and ªCº for carriage axis. Note the orientation of the cable connectors for assembly.
  • Page 67: Main Pca Removal

    MAIN PCA REMOVAL To remove the main PCA, perform the following procedure: 1. Remove the electronic enclosure cover. 2. Remove the interconnect PCA. 3. Using a 3/16º nut driver, remove the two screws on top of the electronics enclosure from the RS-232-C connector. 4.
  • Page 68 Screws (12) Nuts (C)C2858-44 EPROMs RS-232-C Parallel X-axis Encoder Media Sensor Trailing Power Dist. Pinch Wheel Sensor Drop Cable Sensor Interconnect PCA Front Panel Main PCA Cable Connectors (L)C2858-3 Figure 6-5. 6-10 Removal and Replacement...
  • Page 69: Outer Electronics Enclosure Assembly Removal (C2858A Only)

    OUTER ELECTRONICS ENCLOSURE ASSEMBLY REMOVAL (C2858A ONLY) To remove the outer electronics enclosure assembly, perform the following procedure: 1. Remove the electronics enclosure cover. 2. Disconnect all the cables from the PCAs shown in Figure 6-6. 3. Using a Torx T-15 screwdriver, remove the bottom three, and loosen the top three, electronics enclosure assembly screws shown in Figure 6-6.
  • Page 70: Power Supply Pca Removal

    POWER SUPPLY PCA REMOVAL To remove the power supply PCA, perform the following procedure: 1. Remove the electronics enclosure cover. 2. For model C2858A plotters, remove the outer electronics enclosure assembly. 3. Remove the flexible, DANGER HIGH VOLTAGE, protective cover from the elec- tronics enclosure.
  • Page 71: Fan Removal

    FAN REMOVAL To remove the fan, refer to Figure 6-8 and perform the following procedure: 1. Remove the electronic enclosure cover. 2. Disconnect the fan connector at the main PCA. 3. For model C2858A plotters, remove the outer electronics enclosure assembly. 4.
  • Page 72: Window Assembly Removal

    WINDOW ASSEMBLY REMOVAL To remove the window assembly, perform the following steps: 1. Using a TORX T-15 screwdriver, remove the left and right rear trim pieces from the plotter. 2. Using a TORX T-15 screwdriver, remove the two screws that connect the window assembly to the back panel.
  • Page 73: Endcovers (Left And Right) Removal

    ENDCOVERS (LEFT AND RIGHT) REMOVAL To remove the endcovers, perform the following procedure: 1. Raise the plotter window to the open position. 2. Remove the window assembly. 3. Lower the rollfeed cover to the open position. 4. Using a TORX T-15 screwdriver, remove the two front screws that connect each endcover and front sideplate trim to the plotter.
  • Page 74 Left Front Trim Right Front Trim Screw Screw Screw Screw (C)C2858-37 (C)C2858-38 (C)C2858-33 (C)C2858-34 Bottom Right Screw (hidden) Bottom Left Screw (hidden) Figure 6-10. 6-16 Removal and Replacement...
  • Page 75: Primer Assembly And Sensor Removal

    PRIMER ASSEMBLY AND SENSOR REMOVAL To remove the primer assembly and sensor, perform the following steps: 1. Remove the window assembly. 2. Remove the left endcover. 3. Disconnect the primer assembly and sensor cable connector. 4. Disconnect the four rubber tubes from the primer assembly. 5.
  • Page 76: Pinch Wheel Sensor Removal

    PINCH WHEEL SENSOR REMOVAL To remove the pinch wheel sensor, perform the following procedure: 1. Remove the electronic enclosure cover. 2. Remove the right endcover. 3. Disconnect the pinch wheel sensor cable connector from the main PCA. 4. Pull the pinch wheel sensor cable clear of any clamps. 5.
  • Page 77: Window Sensor Removal

    WINDOW SENSOR REMOVAL To remove the window sensor, perform the following procedure: 1. Remove the right endcover. 2. Disconnect the window sensor cable connector from the front panel PCA. 3. Using a TORX T-8 screwdriver, remove the two screws that attach the window sen- sor to the right sideplate and lift the sensor clear of the plotter.
  • Page 78: Media Sensor Removal

    MEDIA SENSOR REMOVAL To remove the media sensor, perform the following steps: 1. Remove the electronics enclosure cover. 2. Disconnect the media sensor cable connector from the main PCA. 3. Remove the right endcover. 4. Using a TORX T-10 screwdriver, remove the screw that attaches the media sensor to the entry platen.
  • Page 79: Trailing Cable Removal

    TRAILING CABLE REMOVAL While removing the trailing cable, see Figure 6-15. To remove the trailing cable, perform the following procedure: 1. Remove the window assembly. 2. For models C2858A, remove the main PCA. For models C2859A, remove the outer electronics enclosure assembly. 3.
  • Page 80 T oroid T oroid Endcaps Trailing Cable (C)C2858-62 Trailing Cable Rear Tray Screws (5) (C)C2858-42 Carriage PCA Trailing Cable Connector Bracket Screw (C)C2858-77 Figure 6-15. 6-22 Removal and Replacement...
  • Page 81: Back Panel Removal

    BACK PANEL REMOVAL To remove the back panel, perform the following procedure: 1. Remove the window assembly. 2. Using a TORX T-15 screwdriver, remove the 5 screws that attach the trailing cable rear tray to the back panel. 3. Using a TORX T-15 screwdriver, remove the screws that attach the back panel to the electronics enclosure assembly.
  • Page 82: Front Panel Removal

    FRONT PANEL ASSEMBLY REMOVAL To remove the front panel assembly, perform the following procedure: 1. Remove the right endcover. 2. Disconnect the window sensor connector and the front panel cable connector from the front panel assembly. See Figure 6-17. 3. Release the front panel cable from the clamp on the front panel assembly. 4.
  • Page 83: Carriage Motor Removal

    CARRIAGE MOTOR REMOVAL To remove the carriage motor, perform the following steps: 1. Remove the right endcover. 2. Remove the electronics enclosure cover. 3. Disconnect the carriage motor cable connector (labeled C) from the interconnect PCA. 4. Press the small drive belt against the tensioner wheel in the belt tensioner to loosen the belt and slide the belt off of the motor gear.
  • Page 84: Paper Motor Removal

    PAPER MOTOR REMOVAL The drive roller gear and paper motor must be replaced at the same time. To remove the paper motor and drive roller gear, perform the following procedure: 1. Remove the right endcover. 2. Remove the electronics enclosure cover. 3.
  • Page 85 Mark must face toward front of plotter when paper motor is Paper Motor fully installed Encoder Connector Drive Roller Gear Paper Motor Worm Gear (C)C2858-47a Front View Motor Screws (2) (C)C2858-66 Figure 6-19. Removal and Replacement 6-27...
  • Page 86: Encoder Strip Removal

    ENCODER STRIP REMOVAL To remove the encoder strip, refer to Figure 6-20 and perform the following steps: 1. Remove the window assembly. 2. Remove the left and right endcovers. W A R N I N G 3. Using a 5.5 mm nut driver, remove the nut and washer that secure the encoder strip to the right side encoder spring-bracket.
  • Page 87 Nut and Washer Ground Strap Service Station Left Side (C)C2858-76 Nut and Washer Encoder Spring Encoder Spring Bracket Encoder Strip Right Side (C)C2858-47a Figure 6-20. Removal and Replacement 6-29...
  • Page 88: Rollfeed Cover Assembly Removal

    ROLLFEED COVER ASSEMBLY REMOVAL To remove the rollfeed cover assembly, perform the following procedure: 1. Lower and hold the rollfeed cover about halfway open. W A R N I N G 2. Using a TORX T-10 screwdriver, remove the screws and washers that attach the left and right springs to the pivot spring anchor pins.
  • Page 89: Rollfeed Module Assemblies (Left And Right) Removal

    ROLLFEED MODULE ASSEMBLIES (LEFT AND RIGHT) REMOVAL To remove the left or right rollfeed module assembly, perform the following procedure: 1. Remove the appropriate left or right endcover as required. 2. Remove the rollfeed cover assembly. 3. Using a TORX T-20 screwdriver, remove the three screws that secure the rollfeed module assembly to the sideplate.
  • Page 90: Cutter Assembly Removal

    CUTTER ASSEMBLY REMOVAL To remove the cutter assembly, refer to Figure 6-23 and perform the following steps: 1. Remove the right endcover. 2. Using a 5.5 mm nut driver, remove the nut and washer that hold the right end of the encoder strip to the encoder strip spring-bracket.
  • Page 91 Bottom Finger of Cutter Assembly Starguard Upper Wheels Cutter Blade Linear Blade Side View (C)C2858-55 Starguard Cutter Blade (C)C2858-66 Front View Slider Rod Bushing Lower Wheels Overdrive Support Assembly Cutter Assembly Linear Cutter Blade Figure 6-23. Removal and Replacement Right Pre-load Arm Overdrive Support Assembly 6-33...
  • Page 92: Trailing Cable Guide Removal

    TRAILING CABLE GUIDE REMOVAL To remove the trailing cable guide, perform the following steps: 1. Remove the left and right endcovers. 2. Using a TORX T-15 screwdriver, remove the screw that attaches the ground strap and trailing cable guide to the tensioner housing. See Figure 6-24. C A U T I O N 3.
  • Page 93 Trailing Cable Guide Front Guide Screw T ensioner Housing (C)C2858-53 Left Side Ferrite Ring Trailing Cable Guide Screw (Inside Ring) Y-drive bracket (C)C2858-73 Right Side Figure 6-24. Removal and Replacement 6-35...
  • Page 94: Y-Tensioner And Housing Removal

    Y-TENSIONER AND HOUSING REMOVAL To remove the Y -tensioner and housing, perform the following procedure: 1. Remove the left endcover. 2. Slide the pen carriage a few inches towards the center of the plotter in order to access the tensioner. 3.
  • Page 95 Main Idler Trailing Cable Guide Guide Screw Y-T ensioner Housing Y-T ensioner Spring Y-T ensioner Housing Screw Y-T ensioner Bracket T ensioner Plate Screw Y-T ensioner T ensioner Plate (C)C2858-53 Figure 6-25. Removal and Replacement 6-37...
  • Page 96: Pen Carriage Assembly And Main Drive Belt Removal

    PEN CARRIAGE ASSEMBLY AND MAIN DRIVE BELT REMOVAL To remove the pen carriage assembly, see Figure 6-26 and perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Disconnect the trailing cable from the carriage PCA. 4.
  • Page 97 Carriage PCA Trailing Cable Connector (C)C2858-77 Encoder Strip Nut & Washer Encoder Strip Cutter Assembly Y-Drive Bracket (C)C2858-47a Encoder Strip Spring Encoder Strip Bracket Figure 6-26. Removal and Replacement Trailing Cable Bracket Small Drive Belt 6-39...
  • Page 98: Drop Detect And Bail Sensors Removal

    DROP DETECT AND BAIL SENSORS REMOVAL To remove the drop detect or bail sensor, refer to Figure 6-27 and perform the following procedure: 1. Remove the window assembly. 2. Remove the left endcover. 3. Move the pen carriage to the middle of the platen. 4.
  • Page 99 Service Station Cover Sled Drop Detect Sensor (C)C2858-78 Bail Sensor Screws (4) Service Station Housing Figure 6-27. Removal and Replacement 6-41...
  • Page 100: Starguard Assembly Removal

    STARGUARD ASSEMBLY REMOVAL To remove the starguard assembly, perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the cutter assembly. 4. Remove the front panel assembly. 5. Using a TORX T-20 screwdriver, loosen the upper of the two screws that attach the the starguard assembly to the left and right sideplates until the ends of the screws are flush with the inner surfaces of the sideplates.
  • Page 101: Bail Assembly Removal

    BAIL ASSEMBLY REMOVAL To remove the bail assembly, perform the following procedure: 1. Raise the window and move the pen carriage assembly to the extreme left. 2. Slide the cutter assembly to the extreme right. 3. Using a TORX T-15 screwdriver, remove the three screws at the left and right ends of the bail that attach the bail to the left and right bail brackets.
  • Page 102: Service Station Assembly Removal

    SERVICE STATION ASSEMBLY REMOVAL To remove the service station assembly, see Figure 6-30 and perform the following procedure: 1. Remove the window assembly. 2. Remove the left endcover. 3. Move the pen carriage to the center of its travel. 4. Using a 5.5 mm nut driver, remove the nut and washer that attach the ground strap and encoder strip to the service station housing.
  • Page 103 To install the sled during reassembly, see Figure 6-30 and do the following: 1. Set the sled springs to their full upright position with the curved part of the springs resting against the stops inside the service station housing. 2. Feed the rubber tubes through the slot in the bottom of the service station housing while lowering the sled into position.
  • Page 104 Wiper Sled (C)C2858-79 Sled Tubes Through Slot In Bottom Of Service Station Housing (C)C2858-80 Sled Springs (C)C2858-81 6-46 Removal and Replacement Figure 6-30. (page 2 of 2) Rubber Tubes Through Sled Springs: (middle tubes between springs, outer tubes outside of springs) Stops Drop Detect Sensor Bail Sensor...
  • Page 105: Overdrive Support Assembly Removal

    OVERDRIVE SUPPORT ASSEMBLY REMOVAL To remove the overdrive support assembly, perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the encoder strip. 4. Remove the front panel assembly. 5. Remove the cutter assembly. 6.
  • Page 106 Overdrive Assembly Shaft Overdrive Assembly Clutch Shoulder Screw Overdrive Cluster Gear (C)C2858-10 Clutch Retainer Overdrive Support Mount Left Side Screw (C)C2858-14 Overdrive Support Mount Right Side Screw (C)C2858-12 Figure 6-31. 6-48 Removal and Replacement...
  • Page 107: Cutter Enclosure Assembly Removal

    CUTTER ENCLOSURE ASSEMBLY REMOVAL To remove the cutter enclosure assembly, perform the following procedure: 1. Using a TORX T-15 screwdriver, remove the screws that attach the front trim pieces to the left and right sideplates. Remove the front trim pieces. 2.
  • Page 108 (C)C2858-71 Media Guides C2858A (3) Cutter Enclosure Assembly C2859A (4) Upper Screw Left Side Wedge Screw (C)C2858-31b Upper Screw Right Side Wedge Screw (C)C2858-3 Figure 6-32. 6-50 Removal and Replacement...
  • Page 109: Entry Platen Assembly Removal

    ENTRY PLATEN ASSEMBLY REMOVAL To remove the entry platen assembly, perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the electronics enclosure cover. 4. Disconnect the media sensor cable from the main PCA. 5.
  • Page 110 5. When correctly installed, the right side of the entry platen will be against the right sideplate and the top of the platen should be against the top reference pins in the left and right sideplates. Left Side T op Screw Pinch Arm Lift Lever Screw Front Locating Pin...
  • Page 111: Drive Roller Assembly Removal

    DRIVE ROLLER ASSEMBLY REMOVAL While removing the drive roller assembly, see Figure 6-34. To remove the platen roller assembly, perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the encoder strip. 4.
  • Page 112 Drive Roller Assembly Drive Roller Gear Left Side (C)C2858-10 Screws (2) Right Side Paper Drive Motor Drive Roller Worm Gear (C)C2858-49c (C)C2858-3 (C)C2858-27 Figure 6-34. 6-54 Removal and Replacement...
  • Page 113: Automatic Bail Lift Mechanism Removal

    AUTOMATIC BAIL LIFT MECHANISM REMOVAL To remove the bail lift mechanism, perform the following steps: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the encoder strip. 4. Remove the bail assembly. 5. Remove the overdrive support assembly. 6.
  • Page 114: Media Diverter Removal

    MEDIA DIVERTER REMOVAL To remove the media diverters, perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the encoder strip. 4. Remove the bail assembly. 5. Remove the overdrive support assembly. 6.
  • Page 115: Pinch Arm And Lift Mechanism Removal

    PINCH ARM AND LIFT MECHANISM REMOVAL To remove the pinch arm lift mechanism, perform the following procedure: 1. Remove the window assembly. 2. Remove the left and right endcovers. 3. Remove the encoder strip. 4. Remove the bail assembly. 5. Remove the overdrive support assembly. 6.
  • Page 116 To install, place the pinch arm assembly spring into its bushing. Insert the front end of the spring into the hole in the pinch arm assembly with the pinch arm 90 degrees from its normal position. Press the pinch arm assembly back and rotate it to the vertical position. Then slide the cam bar to the right until the pinch arm assembly is captured in the chassis.
  • Page 117: Introduction

    Chapter 7 INTRODUCTION This chapter describes any adjustments and/or calibration procedures to be performed on Models C2858A and C2859A DesignJet 650C plotters. Also provided is a listing of when each procedure is required. Introduction ............
  • Page 118: Adjustments

    ADJUSTMENTS There are no electrical or mechanical adjustments required on the HP C2858A and C2859A DesignJet 650C plotters. CALIBRATIONS DesignJet 650C plotters have several calibration procedures that must be performed under certain conditions. Refer to Table 7-1 to determine when calibrations are required.
  • Page 119: Sheet Length Calibration

    All calibration procedures are accessible through the front panel menu structure. Procedures accessed by users are available through the ª Pen Alignment and Accuracy submenus. The Accuracy submenu contains two lower subme- nus, Restore Factory settings and Recalibrate procedures. The Config Plot function, also lo- cated in the ª...
  • Page 120: Accuracy Calibration

    ACCURACY CALIBRATION Performance of these accuracy procedures allow you to either restore the plotter to the facto- ry accuracy settings or to recalibrate the plotter to the current environment. Accuracy calibra- tion constants are stored in the plotter EEROM. When performing the accuracy calibration from the ª...
  • Page 121 3. Press Enter at the ªStatus º display. 4. Use the arrow buttons to scroll to the ª already set to Full menu mode, scroll to Full and press 5. User accuracy: Service accuracy: 6. User accuracy: Service accuracy: The ªCreate plot / Measure plot º message displays. 7.
  • Page 122: Media Sensor Calibration

    MEDIA SENSOR CALIBRATION This procedure calibrates the optical media sensor threshold value stored in the EEROM. The value represents what the sensor should detect without media present. Perform the media sensor calibration whenever the: Media Sensor Calibration is accessible through the ª dia sensor calibration, do the following: 1.
  • Page 123: Drop Detect Calibration

    DROP DETECT CALIBRATION In this procedure, the position of the drop detect sensor relative to the four print cartridges is calibrated. Four values are calculated and stored in the plotter EEROM. Perform the drop detect calibration whenever the: Drop Detect Calibration is accessible through the ª detect calibration, do the following: 1.
  • Page 124: Edge Sensor Calibration

    EDGE SENSE CALIBRATION The edge sense calibration is used to calibrate the intensity of the line sensor in the carriage PCA. A flag is cleared and set in the EEROM after the calibration and is used until recali- brated. An improper calibration can result in edge detection failures during media loading. The pen alignment procedure is also performed as a part of this calibration.
  • Page 125: Bail Calibration

    BAIL CALIBRATION In this procedure, the ‘up’ position of the bail assembly is calibrated. A value is stored in the EEROM when the procedure is completed. Perform the bail calibration whenever the: Bail Calibration is accessible through the ª calibration, do the following: 1.
  • Page 126 Notes 7-10 Adjustments/Calibrations...
  • Page 127: Introduction

    This chapter contains diagnostic instructions, error codes and messages, service tests, and troubleshooting information for use as an aid in solving Model C2858A and C2859A De- signJet 650C plotter symptoms and failures. Introduction ............
  • Page 128: Diagnostics

    DIAGNOSTICS Several types of built-in diagnostic and service tests reside in the DesignJet 650C plotters. These troubleshooting aids include power-on self tests and mechanical initialization rou- tines. In addition, worded error messages; system error codes; and internal service menu tests are provided.
  • Page 129: Mechanical Initialization

    !#! "!" "! " " "!"! " # " "#!""!! " " # "#!""!!"& " ! $ !! " ! # " #" " "! "!" "! "!"! " " #" "!""% " !! !! " " " " "!"!"& "...
  • Page 130: Error Messages And Codes

    ERROR MESSAGES AND CODES Two types of error messages can be viewed in the front panel display: WORDED ERROR MESSAGES Worded error messages indicate that a user error or an internal error has occurred. Some error messages require action to clear, and others are only displayed until the next operation is per- formed by the plotter.
  • Page 131 Table 8-1. Worded Error Messages (Continued) Message Media too small Media loaded for accuracy calibration or pen alignment is too small. Reload appropriate media. Mispositioned Roll is mispositioned. Unload roll media. Open the roll cover Reload roll and push the media roll all the way to the right so that it is flush against the media stop on the roll core.
  • Page 132 Table 8-1. Worded Error Messages (Continued) Message Roll misaligned Roll media is skewed. Unload roll media. Open the roll cover Reload roll and push the media roll all the way to the right so that it is flush against the media stop on the roll core. Reload, making sure that the left/right media edges are even with the left/right roll core edges.
  • Page 133: System Error Codes

    SYSTEM ERROR CODES System error codes are hexadecimal-based numbers generally caused by internal system er- rors. See Table 8-2 for a list of system error codes and their respective descriptions and rec- ommended corrective actions. Table 8-2. System Error Codes Error Code Problem Description 010001...
  • Page 134 Table 8-2. System Error Codes (Continued) Error Code Problem Description 010024 Pen interface ASIC test failure. 010025 Communication failure between the main and servo processors. Communication occurs through the processor support ASIC. 010026 #’! %##&"%$ !% !&## !# !% # % "#!$$!# %#!&...
  • Page 135 Response Center or the nearest HP Sales and Support Office. For all 2XXXX errors, report the firmware problem to the HP Response Center or the nearest HP Sales and Support Office. Note conditions before the error occurred. Include system configuration in the report.
  • Page 136 Use the Drop detect calibration, found in the service menu to recalibrate the position of the sensor. Check the drop sense cable connections. Replace the drop sensor. Notify the HP Response Center or the nearest HP Sales and Support Office.
  • Page 137: Display Data Plot

    DISPLAY DATA PLOT Display data is a plot feature, located under the ªUtilities Menu’, that allows you to plot the first and last 1000 bytes of graphic instructions of a plot file sent. This feature can be used to ensure proper data reception. The instructions will be plotted in ASCII. format. To use the Display Data feature, do the following: 1.
  • Page 138: Troubleshooting Tips

    TROUBLESHOOTING TIPS Certain failures, such as the media sensor and pinchwheel sensor, will not allow access to the service menu after the normal initialization process occurs. The front panel will be locked at this point. To alleviate this situation, perform the following steps: 1.
  • Page 139: Service Tests

    SERVICE TESTS HP DesignJet 650C plotters have numerous internal service tests that can be used in trouble- shooting. To access the service tests menu, perform the following steps: 1. Switch the plotter ON. Certain plotter failures that can occur will prevent the plotter from reaching the ªSTATUS Ready for Mediaº...
  • Page 140: Edge Sensor Calibration

    Test EEROM (Clear) Allows you to either clear or test the EEROM. Clearing defaults all set-up values, clears calibration values and calculates a new EEROM checksum. The EEROM should only be cleared in event of a checksum failure. After clearing, cycle power without media, and do the following calibrations in the order listed: bail calibration, media sensor calibration, drop detect sensor calibration,...
  • Page 141 Table 8-3. Service Tests (Continued) Test Parallel I/O The data and status registers of the Centronics PAL are read. A successful test completes very quickly (<1 s). ªPASS TEST PRESS ENTERº will be indicated. If the test fails, the system will hang up. A system error error code will NOT be displayed, and power to the plotter must be recycled.
  • Page 142 Table 8-3. Service Tests (Continued) Test Primer Verifies the ability of the primer to select individual pens and run the pump for testing priming capability. Also tests the optical sensor’s ability to initialize the primer cam. Pen Continuity Checks for proper interconnection between all four pens and the carriage.
  • Page 143 Table 8-3. Service Tests (Continued) Test Cover Sensor Verifies the operation of the window interlock microswitch. After the test is selected, manually raise and lower the window The display should change as the window is raised and lowered. Stop the test by pressing the DOWN ARROW button.
  • Page 144 Table 8-3. Service Tests (Continued) Test Cutter Verifies operation of the cutter. Allows either single or continuous cut operation. An offset value can be entered to determine how much margin the cutter system has. Button Test The display indicates which button the servo processor interprets as being pressed.
  • Page 145: Configuration Plot

    CONFIGURATION PLOT The configuration plot aids in the analysis of plotter problems by providing: $"!$$$!’ & "!& %! &$ % %’$ ’ #’ "&&$ %!$ ’% && & "$!% !) "$!% ($& %&$& %%!’$-%"$%$!%%$%!$%’$ &$% ! &$!%%$% %!’"$& " "&& %& ’" !$&! &...
  • Page 146: Bar Pattern Analysis

    10. The ªbusyº LED on the front panel will light to show that a configuration plot is being generated, the pens will be tested at the service station, and the configuration plot will automatically run to completion. BAR PATTERN ANALYSIS The configuration plot has several special diagnostic features built in.
  • Page 147: Reading The Eerom Text Block

    READING THE EEROM TEXT BLOCK Contents of the EEROM IC are printed during the configuration plot in hexadecimal form. Sample portions of the EEROM contents block and the pen nozzle test block are presented in the following pages of this chapter to assist you in interpreting the configuration plot results. To read the EEROM contents block, perform the following steps.
  • Page 148 Address Location EEROM Initialized A (Value 55) EEROM Initialized B (Value AA) EEROM Initialized C (Value 5B) Power-up Mode FP General Byte FP PostScript Byte EEROM Pen C DT Offset EEROM Baud Byte EEROM Handshake Byte EEROM Parity Byte EEROM Pen Y DT Offset EEROM Language Byte EEROM Cutter Mode Byte EEROM Print Mode Byte...
  • Page 149 Table 8-4. EEROM Map (Continued) Address Location EEROM Page Count High EEROM PostScript Block 1 Start EEROM PostScript Block 1 End EEROM Pen Source Byte EEROM Pen Palette Byte EEROM Flag Byte EEROM Media Sense Threshold EEROM Flag Byte 2 EEROM Flag Byte 3 EEROM Plotsetup Byte EEROM Flag Byte 4...
  • Page 150 Table 8-4. EEROM Map (Continued) Address Location EEROM Pen 1, Pen 2 First Nozzle EEROM New Align EEROM Platen Factory EEROM Platen User EEROM Cut Count Low EEROM Cut Count High EEROM Pen K DT Offset EEROM Pen M DT Offset EEROM Bail Errors Bail Up Pos Offset EEROM Page Format Byte...
  • Page 151 A sample portion of the memory location key is provided in Table 8-5. Use it as a key to the EEROM memory text block on the configuration plot. The first column depicts the block of text shown on the plot and in Table 8-6, but the remaining blocks show the memory location number instead of the contents at each position on the text block.
  • Page 152 The block of text on the configuration plot that shows the contents of the EEROM appears in the form shown in Table 8-6. This table is a sample portion of the text block from a configura- tion plot. The contents of the EEROM that you are testing may differ from this sample. Table 8-6.
  • Page 153: Introduction

    This chapter describes the differences between earlier versions of the HP C2858A/C2859A DesignJet 650C plotters and the latest version documented in this manual. Versions are iden- tified by their serial number and the date codes on their printed-circuit assemblies (PCAs).
  • Page 154: History Of Assemblies By Serial Number

    HISTORY OF ASSEMBLIES BY SERIAL NUMBER C2858A and C2859A plotters use a serial number format as follows: where; US indicates country of manufacture, A indicates the plotter revision level, xx indi- cates the month (1-9, A, B, C) and week (1-4) of manufacture, and the remaining digits (y-y) are the individual sequential numbers of the plotters as they are manufactured.
  • Page 155 HISTORY OF PRINTED-CIRCUIT ASSEMBLIES Hewlett-Packard’s PCAs have three major identification features: Part Number. PCAs having the same part number are directly interchangeable. If a PCA is revised in any way that makes it non-interchangeable with previously issued PCAs of a particular part number, a new part number is assigned to the revised PCA.
  • Page 156 Notes Product History...
  • Page 157: Introduction

    Chapter 10 INTRODUCTION This chapter contains information for locating, identifying and ordering replacement parts for the HP C2858A and C2859A plotters. Parts lists with associated illustrated parts break- down drawings are provided. Introduction ............
  • Page 158: Exchange Assemblies

    The total quantity for each part on the drawing is given as well as the part number and check digit (CD). To obtain replacement parts, address an inquiry to the nearest HP Sales and Support Office. The order must include the part number, check digit and part description. Also include the plotter model and serial number on the parts order.
  • Page 159 Left Endcover and Trim C2858A Electronics Enclosure Assembly See Page 10-13. See Page 10-11. Carriage Axis Drive C2859A Electronics Enclosure Assembly See Page 10-9. (Left End) See Page 10-19. Primer and Service Station Window and Back Cover Assemblies See Page 10-21. See Page 10-7.
  • Page 160 Ref. HP Part Des. Number C2847-60002 C2848-60002 C2847-00013 C1633-00046 C2847-60061 0515-0380 1492-0145 C2847-00006 C1633-00020 C2847-00012 C1633-00044 C2847-00005 C1633-00019 C2847-60030 10-4 Parts and Diagrams Parts List, Stand Assemblies Description LEG ASSEMBLY MODEL C2858A MODEL C2859A STAND BRACE MODEL C2859A HARDWARE KIT...
  • Page 161 (C)C2858–1–1 Stand Assemblies, Illustrated Parts Breakdown Parts and Diagrams 10-5...
  • Page 162 Parts List, Window and Back Cover Assemblies Ref. HP Part Des. Number C2858-60024 0620-0520 07575-40012 07575-40111 C2847-60008 C1633-60053 C2847-00009 C1633-00030 0624-0744 C2847-40003 C1633-40075 C2858-00011 C2859-00002 0515-0380 0515-0390 0515-2304 C2858-00005 10-6 Parts and Diagrams Description CABLE ASSEMBLY , TRAILING SCREW, 6-19 0.50...
  • Page 163 To Main PCA To Pen Carriage Electronics Enclosure C2858A See Page 10-9. C2859A See Page 10-11. (C)C2858-2-1 Window and Back Cover Assemblies, Illustrated Parts Breakdown Parts and Diagrams 10-7...
  • Page 164 Parts List, C2859A Electronics Enclosure Ref. HP Part Des. Number 0515-1249 C2858-60105 156474 C2065A C2066A C2847-40007 0535-0043 C2858-18012 C2858-18013 C2858-18014 C2858-18015 C2858-69104 0515-0380 C1633-00033 C1633-40059 9170-1535 C2858-60024 9170-1533 0400-0369 C1633-00031 0570-1316 0515-1084 C2848-60001 1400-1642 0515-2246 0515-0390 C1633-60020 1400-1021 C1633-00080 3160-0814...
  • Page 165 C2859A Electronics Enclosure, Illustrated Parts Breakdown (C)C2858-3-1 Parts and Diagrams 10-9...
  • Page 166 Parts List, C2858A Electronics Enclosure Ref. HP Part Des. Number C1633-40059 0515-0380 C1633-00033 0515-1249 C2858-60105 C2847-60004 C1633-00031 0515-2246 0570-1316 0515-1084 0515-1349 3160-0814 0400-0369 C2847-60018 1400-1642 0515-0390 C1633-60020 C1633-00080 0950-2417 9170-1533 9170-1535 C2858-60024 C2847-00019 C1633-00105 C2847-00027 C2858-69104 156474 C2858-18012 C2858-18013 C2858-18014...
  • Page 167 C2858A Electronics Enclosure, Illustrated Parts Breakdown (C)C2858-4-1 Parts and Diagrams 10-11...
  • Page 168 Parts List, Left Endcover and Trim Ref. HP Part Des. Number C2858-40013 C2858-00018 C2858-40028 0515-2254 0515-2304 0515-2250 C2858-40026 0515-2246 C2847-60044 0515-0380 0510-0787 1400-0482 C1633-40096 5041-1203 C2858-00017 10-12 Parts and Diagrams Description ENDCOVER ASSEMBLY , LEFT LABEL, SERIAL NUMBER SIDEPLATE (part of chassis assembly, see page 10-32)
  • Page 169 (C)C2858-5-1 Left Endcover and Trim, Illustrated Parts Breakdown Parts and Diagrams 10-13...
  • Page 170 Parts List, Right Endcover and Trim Ref. HP Part Des. Number 0515-2250 0515-2254 C2858-40025 C2858-40027 0515-2304 3101-3153 0624-0616 C1633-40094 C2847-60061 C2858-40012 0515-2246 9170-1533 C1633-00093 0515-2278 C2858-60018 C2858-60057 C2858-60026 C2858-60027 C2858-60028 C2858-60029 C2858-60030 C2858-60031 C2858-60033 C2858-20007 0515-2282 0515-2248 10-14 Parts and Diagrams...
  • Page 171 (C)C2858-6-1 Right Endcover and Trim, Illustrated Parts Breakdown Parts and Diagrams 10-15...
  • Page 172 Parts List, Rollfeed Components Ref. HP Part Des. Number C2847-60013 C1633-60064 C2847-80001 C1633-80004 0515-2253 C1633-20021 0380-3073 C2847-60033 07596-60060 C2847-60063 0515-2248 C2847-60064 C1633-00084 C1633-00131 07596-40077 10-16 Parts and Diagrams Description ROLLCOVER ASSEMBLY SPRING, ROLLCOVER SCREW, TAPTITE W/WASHER M3 SCREW, SHOULDER SPACER, SPRING...
  • Page 173 Rollfeed Components, Illustrated Parts Breakdown (C)C2858-7-1 Parts and Diagrams 10-17...
  • Page 174 Parts List, Carriage Axis Drive (Left End) Ref. HP Part Des. Number C2847-00029 1500-0856 07570-60105 07570-40105 1460-2139 C1633-40065 0515-0380 C1633-00068 C2858-00028 C2859-00005 0515-2248 C1633–00057 1400-1021 C2847-00042 C2848-00011 3050-0026 0535-0031 0624-0647 C2858-60007 C2858-60003 C2858-00077 C2858-40038 C2858-00076 C2858-00012 10-18 Parts and Diagrams...
  • Page 175 Service Station See Page 10-21. (C)C2858-8-1 Carriage Axis Drive (Left End), Illustrated Parts Breakdown Parts and Diagrams 10-19...
  • Page 176 Parts List, Service Station Assembly Ref. HP Part Des. Number C2858-60006 C1633-40051 C2858-60005 C2858-40001 C2858-40032 C1676-40167 C2858-40002 C2858-40003 0616-0616 C2858-60013 C2858-60011 C1676-80010 10-20 Parts and Diagrams Description CABLE ASSEMBLY , BAIL SENSOR FLAG, BAIL SENSOR BAIL SENSOR SERVICE STATION HOUSING...
  • Page 177 Service Station Assembly, Illustrated Parts Breakdown (C)C2858-9-1 Parts and Diagrams 10-21...
  • Page 178 Parts List, Carriage Axis Drive (Right End) Ref. HP Part Des. Number C2858-60023 C2847-00029 1500-0856 C2858-00028 C2859-00005 9170-1536 C2858-00027 0515-0380 07570-60112 07550-40104 1460-2061 0515-1349 07575-40125 C2858-00007 C1633-60029 C2858-00006 C2847-00042 C2848-00011 3050-0026 0535–0031 C1633-20034 1500-0855 07570-60043 0515-2248 3140-0907 10-22 Parts and Diagrams...
  • Page 179 Pen Carriage Assembly See Page 10-25. (C)C2858-10-1 Carriage Axis Drive (Right End), Illustrated Parts Breakdown Parts and Diagrams 10-23...
  • Page 180 Parts List, Pen Carriage Assembly Ref. HP Part Des. Number C2858-60023 C2858-40016 C1633-80014 C2858-40017 0624-0737 C2858-60010 C2858-60014 07575-40013 07575-40014 C2847-00029 1500-0856 10-24 Parts and Diagrams Description PEN CARRIAGE ASSEMBLY BUSHING, FRONT SPRING, PRELOAD BUSHING, REAR SCREW, 2-28 X .375 PLASTITE IC–ENCODER ASSEMBLY...
  • Page 181 (C)C2858-11-1 Pen Carriage Assembly, Illustrated Parts Breakdown Parts and Diagrams 10-25...
  • Page 182 Parts List, Paper Drive Assemblies Ref. HP Part Des. Number C2847-00041 C2848-00010 C2858-60054 C2859-60004 0515-2246 0515-2337 0515-0380 C1633-00009 C2847-60019 0515-1723 07570-40250 QEDS-9500 C2848-60003 0515-0382 0515-1349 C2847-20012 0515-2333 1400-1021 0624-0748 C2847-60021 C1633-40064 C1633-20006 2190-0760 C2858-00078 C2858-40039 10-26 Parts and Diagrams Description...
  • Page 183 Paper Drive Assemblies, Illustrated Parts Breakdown (C)C2858-12-1 Parts and Diagrams 10-27...
  • Page 184 Parts List, Bail and Overdrive Support Assemblies Ref. HP Part Des. Number C1633-80006 0624-0647 3050-0026 C1633-40028 C1633-40027 C2847-40013 0510-0083 C1633-20021 C1633-40019 C1633-60030 3050-1381 C1633-40052 0624-0520 C1633-40089 0515-1743 0624-0704 C1633-40038 C2858-60017 C2859-60001 C1633-80015 C1633-60034 C1633-40037 C2847-00011 C2848-00008 0515-2246 C2847-60017 C1633-60049 C1633–00078...
  • Page 185 Bail and Overdrive Support Assemblies, Illustrated Parts Breakdown (C)C2858-13-1 Parts and Diagrams 10-29...
  • Page 186 Parts List, Pincharm Assembly Ref. HP Part Des. Number 0515-1992 C1633-40029 0535-0026 C2847-20005 C1633–20012 C1633-60039 C1633–80005 C1633-40082 0515-0382 C1633-00100 C1633-00076 C1633-40079 C1633-80007 C1633-20021 0624-0647 C2847–60022 C1633-00075 0624-0704 2190-0760 C1633-40078 0515-2278 1400-1021 C1633-00024 C1633-40030 C1633-00059 10-30 Parts and Diagrams Description SCREW, M2.5X20...
  • Page 187 (C)C2858-14-1 Pincharm Assembly, Illustrated Parts Breakdown Parts and Diagrams 10-31...
  • Page 188 Parts List, Starwheel, Starguard and Chassis Assemblies Ref. HP Part Des. Number 0515-2337 0515-2304 0515-2333 C2847-60009 C1633-60032 C1633-60051 C2858-00014 C2859-00004 C2858-60021 C1633-40067 C2858-60025 C2859-60003 C2847-60011 C1633-60047 C1633-40077 10-32 Parts and Diagrams Description SCREW, LONG, DOGPOINT SCREW/BOLT METRIC SCREW, THRD RLLG...
  • Page 189 Starwheel, Starguard and Chassis Assemblies, (C)C2858-15-1 Illustrated Parts Breakdown Parts and Diagrams 10-33...
  • Page 190 Label Name Media Bin Front Serial Number Name Plate Roll Loading Carriage Warning Power Supply Insulator Carriage Stripes Media Loading Pen Alignment Pen Color Code Trailing Cable C2858-60024 Carriage PCA C2847-60021 Media Sensor C2847-60022 Pinch Wheel Sensor 3160-0814 C2847-60005 (C2858A) Power Supply C1633-60014 (C2859A)
  • Page 191 Glossary address The address specifies the plotter’s location on the HP-IB (IEEE-488) interface cable (bus). ASCII American Standard Code for Information Interchange. An 8-bit code that uses 7 bits to represent character data such as letters, punctuation, symbols, and control characters.
  • Page 192 An interface type in which a separate wire is used for each data bit in a byte or word and all bits are transferred simultaneously. HP-IB and Centronics are parallel interfaces. parity An error-checking method for information transfer between a computer and a peripheral device.
  • Page 193 Index ##%33/2)%3: $*534-%.43: .!,93)3!2 !44%2. : 00,)#!4)/.0%#)&)#.4%’2!4%$ )2#5)4 !22)!’% : %..4%2&!#% : !4! : 2).4/.42/, : !4! : 2/#%33/2500/24 : 33%-",)%3)34/29 /&: 33%-",9 !), %-/6!,: 544%2 %-/6!,: 544%2.#,/352% %-/6!,: 2)6% /,,%2 %-/6!,: .429,!4%. %-/6!,: 2/.4 !.%, %-/6!,: %&4 /,,&%%$/$5,% %-/6!,: 6%2$2)6%500/24 %-/6!,: %.!22)!’% !.$!).2)6%%,4 %-/6!,:...
  • Page 194 0/)+*52$4+0/-04(3&2+14+0/: &0/)+2.+/* $ .(/5 014+0/ : 0/420--(2: 0/420--(23 : /15454154 0/420-3 20/4 $/(- : 06(2 -(&420/+&3/&-0352( (.06$- : +8(’ (.06$- : 0--)((’33(.%-9 (.06$- : 544(233(.%-9 (.06$- : 544(2/&-0352(33(.%-9 (.06$- :$4$0/6(23+0/: (3&2+14+0/ $22+$*(: 0/)+*52$4+0/-04: 20/4 $/(-: /4(2&0//(&4: +/((/302: $+/: 6(26+(7: 07(2511-9: (4(&4+0/(’+$: +31-$9 !$&55.:)-502(3&(/4: 9/$.+&...
  • Page 195 ’&+#; ’&+#7+&’.+0’5 ; 175+0) ";!’05+10’4 ’/18#.;&’06+(+%#6+10 41%’&74’5; 0&+%#6145; 0+6+#.+:#6+10’%*#0+%#.; 0-#464+&)’5; 027676276 #4&5 06’4%100’%6 ’5%4+26+10; ’/18#.; 06’4(#%’ ’06410+%5#$.’ ’564+%6+105; ;#$.’ ’564+%6+105; ;#$.’ ’564+%6+105; 06’4(#%’5 ’06410+%5; ;;;’9 #&; #0)7#)’5 ; +0&+%#6145; ’(60&%18’4 ’/18#.; ’(6 1..(’’&1&7.’55’/$.9 ’/18#. +0’14& ’6; ’37+4’&; +0’ ’0514; ’5%4+26+10; +0’#40%1&’4;...
  • Page 196 (’,$,7(35(3 (/17$. < (’,$ (0413 (/17$. < (/13: 92$04,10 1&-(54< $,00)13/$5,10< $,00)13/$5,10< .6*<,0< < ,0*.(0<.,0(< (064 3105 $0(. < (44$*(4 3313< 3105 $0(. < 5+(35$.-< << $0$*(3< 1&$.!$.-< 17(.. (5+(30(5 026565265 026565265 !1-(0,0*< $3’4 026565265 1’6.(44(/%.: ()5 1..)((’ (/17$. < 1513 5(22(3<...
  • Page 197 */$)2. "/%*’4&$)"/*3. &.06"- */$) )&&-&/302 &.06"-: 0/’*(52"4*0/ &3$2*14*0/: 4&13: 0/6&23*0/: &.0/342"4*0/ 5//*/( : 2"/3’&2: -044&2 0-02: &3$2*14*0/: &"452&3: /,:+&4: /34"--*/( : "/(5"(&3: "2(&:’02."4: 0/0$)20.&: &/3023: -044*/(0%&3 0-02 : 0/0$)20.& : 07&2: 07&2511-9 5402"/(*/(: 2*."29: &.06"-: &$0/%"29: 07&2511-9&3$2*14*0/: 2*.&233&.#-9 &.06"-: 2*/4&%*2$5*433&.#-*&3*34029 0’: 20$&3302 "22*"(&: "*/:...
  • Page 198 "<#9+40503 < "< ’/4+0/’3064+/) < ’453+%5+0/4#$-’< ’/530/+%4/5’3(#%’< </5’3(#%’< <</5’3(#%’< 0--(’’&-055+/)< 0--(’’&07’344’.$-: ’.07#- < #+//(03.#5+0/ <#(’5:0/4+&’3#5+0/4 < ’-’%5+/) #’/615+0/< ’-( ’454 ;03.#- 08’3<0/< 08’3<0/< ’/403 #+- < +/’ < ’&+# ’.07#- < +/%* *’’- ’.07#- < +/&08 ’.07#- < ’/40345#5640/&+5+0/4 < ’37+%’5#5+0/44’.$-: ’.07#- <...

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