Page 2 - DRAFTING PLOTTERS; SERVICE MANUAL; SERIAL NUMBERS
HP C2858A/C2859A DRAFTING PLOTTERS SERVICE MANUAL SERIAL NUMBERS This manual applies directly to HP C2858A and C2859Aplotters with serial numbers prefixed USA. For additional information about serial numbers, seeSERIAL NUMBER INFORMATION in Chapter 1. HEWLETT-PACKARD COMPANY 1993 16399 W. BERNARDO D...
Page 3 - Using this Manual; Chapter 1. Product Information
Using this Manual Using this Manual iii This service manual contains information necessary to test, adjust, and service theHewlett-Packard Models C2858A and C2859A DesignJet 650C plotters. It is designed tohelp you easily find the cause of a C2858A/C2859A hardware problem and to perform thenecessary...
Page 5 - Contents
Contents v Contents Chapter Page 1 Product Information Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Description 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 10 - Safety; General Definitions of Safety Symbols; International caution symbol (refer to manual): the product will be
x Safety 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 theinstrument. Indicates dangerous voltage (terminals ...
Page 11 - Product Information; INTRODUCTION
Chapter 1 Product Information 1-1 Product Information INTRODUCTION This chapter contains a listing of documentation supplied with the HP C2858A and C2859ADesignJet 650C plotters. Also provided are: descriptions of the plotters, information on theplotter features, options and accessories, performance...
Page 12 - DESCRIPTION
1-2 Product Information DESCRIPTION HP C2858A and C2859A DesignJet 650C plotters provide graphic displays of computer pro-gram output data. They operate with a number of computer systems and graphic terminals,using either RS-232-C or Centronics external controllers. With one of several optional, mod...
Page 13 - Automatic media edge sensing
1-3 Product Information Figure 1-1. The standard HP C2858/9A DesignJet 650C has four megabytes of on-board random accessmemory (RAM). Memory expansion upgrades to 20 MB are available as well as variousROM enhancement and modular I/O options. Other features that are standard include: Automatic media ...
Page 14 - OPTIONS; ROM ENHANCEMENT MODULES
1-4 Product Information OPTIONS PLUG-IN MEMORY C2858/9A DesignJet 650C plotters have two memory expansion sockets. Each can hold ei-ther a four-megabyte or eight-megabyte, Single In-line Memory Module (SIMM). There-fore, memory can be expanded by 4, 8, 12 or 16 megabytes. The SIMM part numbers are: ...
Page 15 - ACCESSORIES
1-5 Product Information ACCESSORIES The items listed in Table 1-1 are supplied with each plotter. Miscellaneous application notes,flyers and driver disks are also provided. Depending upon the country of destination, the partnumbers of items listed as English or U.S. will differ. Accessories availabl...
Page 16 - PERFORMANCE CHARACTERISTICS
1-6 Product Information PERFORMANCE CHARACTERISTICS Table 1-2 lists the performance characteristics of the plotters. 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 mo...
Page 17 - Site Planning and Requirements
Chapter 2 Site Planning and Requirements 2-1 Site Planning and Requirements INTRODUCTION This chapter contains information concerning the electrical requirements for the installationof HP C2858A and C2859A plotters. Also included is information on environmental operat-ing conditions and physical spe...
Page 18 - ELECTRICAL SPECIFICATIONS; POWER REQUIREMENTS; Voltage Requirements; LINE CORD SET; W A R N I N G
2-2 Site Planning and Requirements ELECTRICAL SPECIFICATIONS POWER REQUIREMENTS HP C2858A and C2859A DesignJet 650C plotters have self-adjusting power supplies and donot require voltage selector or switch settings prior to use. Table 2-1 lists the power require-ments for the plotters. Table 2-1. Pow...
Page 19 - ENVIRONMENTAL SPECIFICATIONS; Table 2-2 lists environmental specifications for the plotters.; PHYSICAL SPECIFICATIONS; The plotter physical specifications are listed in Table 2-3.
2-3 Site Planning and Requirements ENVIRONMENTAL SPECIFICATIONS Table 2-2 lists environmental specifications for the plotters. Table 2-2. Environmental Specifications Temperature StorageOperatingOptimal Operating –40 to +70 C (–40 to +158 F)0 to +55 C (+32 to +131 F)+15 to +30 C (+59 to +86 F) Relat...
Page 20 - CABLE RESTRICTIONS; CENTRONICS INTERFACE
2-4 Site Planning and Requirements CABLE RESTRICTIONS Cable restrictions for the plotter are determined by the type of interface being used. Recom-mendations for each interface are supplied in the following paragraphs. RS-232-C INTERFACE The use of short cables (each less than 15 metres or 50 feet) ...
Page 21 - Installation and Configuration
Chapter 3 Installation and Configuration 3-1 Installation and Configuration INTRODUCTION This chapter contains the information required to configure and verify proper operation ofthe HP C2858A and C2859A DesignJet 650C plotters. Print cartridge and media loading pro-cedures, as well as front panel m...
Page 22 - INSTALLATION INSTRUCTIONS; USER-INSTALLABLE MODULES
3-2 Installation and Configuration INSTALLATION INSTRUCTIONS USER-INSTALLABLE MODULES Expansion sockets located behind a panel at the rear of the plotter allow the user to installadditional memory modules. These SIMMs (single in–-line memory modules) are availablein 4MB and 8MB sizes. Installation i...
Page 23 - All plugs are viewed from the power outlet connector end.
3-3 Installation and Configuration Figure 3-1. BS 1363A AS C112 CEE 7–VII NEMA 5–15P NEMA 6–15P SEV 1011 DHCK–107 Option No. 900 901 902 903 904 906 912 917 N = Neutral or Identified ConductorE = Earth or Safety Ground 918 NOTE: L = Line or Active Conductor (also called ªliveº or ªhotº) MITI 41–9692...
Page 24 - USER INFORMATION AND OPERATION; MEDIA GUIDELINES; Guidelines on media handling are:; The leading edge; must be straight and each side must be loaded evenly. If the; Roll media; must be flush with the right edge of the core.; Film; MEDIA TYPE AND PRINT QUALITY
3-4 Installation and Configuration USER INFORMATION AND OPERATION MEDIA GUIDELINES Guidelines on media handling are: The leading edge must be straight and each side must be loaded evenly. If the leading edge is jagged, trim it with the media knife (located in the manual holder atthe back of the plot...
Page 25 - MEDIA CUTTING AND STACKING
3-5 Installation and Configuration Real-time switching between plotting modes is not supported. If the user selects anothermode while plotting, the plotter waits until the current plot is finished and then switches to thenewly selected mode. MEDIA CUTTING AND STACKING Automatic and manual cutting of...
Page 26 - USABLE MEDIA SIZES; Oversize A2; LOADING ROLL MEDIA; pull
3-6 Installation and Configuration USABLE MEDIA SIZES Media of different types and sizes can be used on the plotters. Refer to Table 3-1 for the mediasizes usable on each plotter. Table 3-1. Media Sizes C2858A C2859A ISO A4 - A1 ISO A4 - A0 ANSI A - D ANSI A - E ARCH A - D ARCH A - E JIS B4 - B2 JIS...
Page 27 - Removing the Media Stop and Endcap
3-7 Installation and Configuration Figure 3-2. Removing the Media Stop and Endcap (C) C2847-10(UM) Figure 3-3. Sliding the New Roll onto the Spindle (C) C2847-16(UM)
Page 28 - Roll Cover
3-8 Installation and Configuration 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. Figure 3-4. Roll Cover Pinchwheel Lever Installing the Spindle (C) C2847-31(UM) 4. Once the roll is in place, push ...
Page 29 - Down Arrow
3-9 Installation and Configuration Figure 3-5. Cutting Track Trimming the Leading Edge of the Media (C) C2847-7(UM) Figure 3-6. Align Media withPerforation Line Insert Media Untilit Buckles Evenly Loading the Leading Edge of the Media (C) C2847-15(UM) 10. When the front panel displays ªSheet load/Ro...
Page 30 - UNLOADING ROLL MEDIA
3-10 Installation and Configuration the media so that they are flush with the left and right edges of the roll. SeeFigure 3-7. Figure 3-7. Aligning the Left and Right Edges of the Media (C) C2847-97(UM) (C) C2847-97a(UM) 14. When the front panel instructs you, lower the pinchwheel lever. The plotter...
Page 31 - LOADING SHEET MEDIA; Up Arrow
3-11 Installation and Configuration 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 ed...
Page 32 - UNLOADING SHEET MEDIA; To remove an; CLEARING MEDIA JAMS; To clear a media jam, first press the
3-12 Installation and Configuration 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 un...
Page 33 - PEN CHECKING; Pen Checking
3-13 Installation and Configuration PEN CHECKING Ink usage for cartridges may vary depending upon the ratio of color versus monochromeplotting and the extent of each color used. Cartridge replacement is necessary only when anyof the following conditions occur: Pen Checking is ON and you elect to rep...
Page 34 - Checking the Ink Level; ACCESSING PENS; Press the; Access Pens; REPLACING PENS; The pens should be replaced in response to a; Note
3-14 Installation and Configuration Figure 3-9 shows you how to visually check the ink level in a cartridge. Figure 3-9. Checking the Ink Level 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 ...
Page 35 - button. The pen carriage moves out from the pen service sta-
3-15 Installation and Configuration 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. No...
Page 36 - Installing a Pen; SELECTABLE INK-DRYING TIMES; Plotter setup
3-16 Installation and Configuration 6. Remove the protective tape from the new pen. Insert the pen into the empty pen slot. 7. Press down slightly and push the pen away from you until it snaps into the pen slot. See Figure 3-11. Installing a Pen Figure 3-11. 8. Repeat steps 4 through 7 for each pen ...
Page 37 - CONFIGURATION; FRONT PANEL CONTROLS
3-17 Installation and Configuration CONFIGURATION FRONT PANEL CONTROLS Plotter set-up and plot management functions are input through the front panel. The frontpanel contains a 2-row by 20-character vacuum fluorescent display. Menu scrolling and im-plementation are accomplished through 4 menu button...
Page 38 - Front panel controls and LEDs are described below.
3-18 Installation and Configuration Front panel controls and LEDs are described below. Menu buttons: Previous Enter Use the up-arrow and down-arrow buttonsto scroll through menu options or respondto action or error messages. Use the Previous button to move to thenext highest level and to return to t...
Page 39 - Cancel; Enter
3-19 Installation and Configuration Action buttons: Cancel Form Feed/Cut Access Pens Cancel stops currentoperation (plotting,accuracy calibration,pen alignment andmedia loading). Form Feed/Cut advances the page and,if roll media, cuts it. Access Pens brings the pen carriage out to theplotting area f...
Page 40 - FRONT PANEL MENUS; A brief description of the main menus is given below.
3-20 Installation and Configuration FRONT PANEL MENUS There are seven main menus, each with an option or series of submenus. Pressing the Enter button from the ªStatusº display will access the menu structure. Both a short menu and a fullmenu are available in the plotter display. The short menu is th...
Page 41 - FRONT PANEL LANGUAGES; Press and hold down the; button while turning the plotter ON. Release the
3-21 Installation and Configuration 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 ...
Page 42 - FRONT PANEL MESSAGES; Message
3-22 Installation and Configuration FRONT PANEL MESSAGES In addition to the menus that appear in the front panel display, three types of messages mayalso appear in the display. They are state messages, action messages, and error messages.State messages do not require any action and serve to notify t...
Page 45 - Sheet load
3-25 Installation and Configuration Message Action Pull / Align edges to roll Grasp the left and right free edges of the roll media and pull towardyou until the media is taut. At the same time, align the left and rightedges of the media so that they are flush with the left and right edges ofthe roll...
Page 46 - OPERATIONAL VERIFICATION; DEMONSTRATION PLOT; To plot a demo plot, perform the following steps:; The demonstration plot will be plotted.
3-26 Installation and Configuration 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 switch...
Page 47 - Preventive Maintenance; Introduction
Chapter 4 Preventive Maintenance 4-1 Preventive Maintenance INTRODUCTION This chapter contains information on keeping the HP C2858A and C2859A DesignJet 650Cplotters in good operating condition. Included are general cleaning procedures to be per-formed by the user. Introduction 4-1 . . . . . . . . ....
Page 48 - EFFECT ON PRODUCT RELIABILITY; GENERAL CLEANING
4-2 Preventive Maintenance 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 underwhich the plotter is operated and by the types of plotter suppl...
Page 49 - utilities
4-3 Preventive Maintenance DRIVE ROLLER CLEANING W A R N I N G The drive roller cleaning procedure should beperformed 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 theroller can disru...
Page 50 - Stop the roller by pressing the; button when through cleaning.; button to return to the SERVICE TESTS menu display.
4-4 Preventive Maintenance Note The speed of the drive roller can be reduced or speeded up by pressing theappropriate 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...
Page 51 - Functional Overview
Chapter 5 Functional Overview 5-1 Functional Overview INTRODUCTION This chapter contains a simplified description of the HP C2858A and C2859A DesignJet650C plotters circuits and mechanical functions. Mechanical and Printed Circuit Assembly(PCA) overviews present a functional description of how the p...
Page 52 - SIMPLIFIED DESCRIPTION OF CIRCUITS
5-2 Functional Overview SIMPLIFIED DESCRIPTION OF CIRCUITS HP C2858A/59A DesignJet 650C circuits communicate with an external controller by wayof either a Centronics or an RS-232-C interface. If an approved modular input/output (MIO)printed circuit assembly (PCA) is installed, the circuits can commu...
Page 53 - MECHANICAL OVERVIEW
5-3 Functional 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 configurationin...
Page 56 - CARRIAGE PCA
5-6 Functional Overview CARRIAGE PCA The carriage PCA contains an application-specific, integrated circuit (ASIC) that controlsthe operation of the pens and pen drivers that switch power pulses from the ASIC to fire thepens. It also provides feedback to the main PCA as to the current position of the...
Page 57 - INTERCONNECT PCA
5-7 Functional Overview 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...
Page 58 - DROP AND BAIL SENSORS
5-8 Functional Overview DROP AND BAIL SENSORS The drop sensor is located in the drop detect assembly. Its purpose is to detect ink drops dur-ing pen testing. The drop sensor contains a detector system capable of detecting the presenceof a drop shortly after one is fired into the detector. In order f...
Page 59 - Removal and Replacement
Chapter 6 Removal and Replacement 6-1 Removal and Replacement INTRODUCTION This chapter contains repair information including safety and ESD precautions, a list of toolsrequired for plotter repair and procedures for the removal and replacement of HP DesignJet650C field replaceable assemblies. Introd...
Page 61 - SAFETY CONSIDERATIONS; ESD CONSIDERATIONS; ing until you are ready to install it.
6-3 Removal and Replacement 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 reviewedbefore service work is performed. These warnings and cautions must be followed ...
Page 62 - REQUIRED TOOLS
6-4 Removal and Replacement REQUIRED TOOLS Tools required to disassemble and repair the HP DesignJet 650C plotters are listed inTable 6-1. Item Size Torx Screwdriver with bits T8, T9, T10, T15, T20, T25, T30 Screwdriver, flat-blade Small Nut Drivers 1/4 in., 3/16 in., 5.5 mm (or 7/32 in.) Pliers, ne...
Page 63 - DRAM SIMM AND ROM MODULE REMOVAL; Cover Plate
6-5 Removal and Replacement 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 Figu...
Page 64 - MIO CARD REMOVAL; until fully seated in the slot.; MIO Slot
6-6 Removal and Replacement MIO CARD REMOVAL To install or remove and replace an MIO card, refer to Figure 6-2 and perform the followingsteps: 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 ba...
Page 65 - ELECTRONICS ENCLOSURE COVER REMOVAL; Gently pull the trim pieces and then the cover off of the plotter.; Rear Trim
6-7 Removal and Replacement 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 th...
Page 66 - INTERCONNECT PCA REMOVAL; Remove the electronic enclosure cover.; PCA to the electronics enclosure assembly.
6-8 Removal and Replacement INTERCONNECT PCA REMOVAL To remove the interconnect PCA, refer to Figure 6-4 and perform the following steps: 1. Remove the electronic enclosure cover. Note The cable connectors disconnected in the next step are labeled ªPº for paperaxis and ªCº for carriage axis. Note th...
Page 67 - MAIN PCA REMOVAL
6-9 Removal and Replacement 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. Using...
Page 68 - Fan
6-10 Removal and Replacement Figure 6-5. RS-232-C Parallel Fan Power Dist. Interconnect PCA Trailing Cable X-axis Encoder Media Sensor Pinch Wheel Sensor FrontPanel Drop Sensor Nuts (2) Screws (12) Main PCA Cable Connectors (C)C2858-44 EPROMs (L)C2858-3
Page 69 - Remove the electronics enclosure cover.; Loosen Screws
6-11 Removal and Replacement 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 ...
Page 70 - POWER SUPPLY PCA REMOVAL; To remove the power supply PCA, perform the following procedure:
6-12 Removal and Replacement 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 cov...
Page 71 - FAN REMOVAL; Fan Connector
6-13 Removal and Replacement 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. Using a TO...
Page 72 - WINDOW ASSEMBLY REMOVAL; To remove the window assembly, perform the following steps:; C A U T I O N; Window Assembly
6-14 Removal and Replacement 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 ...
Page 75 - PRIMER ASSEMBLY AND SENSOR REMOVAL; Disconnect the primer assembly and sensor cable connector.; Screw
6-17 Removal and Replacement 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 th...
Page 76 - PINCH WHEEL SENSOR REMOVAL; To remove the pinch wheel sensor, perform the following procedure:; Toroid
6-18 Removal and Replacement 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 ca...
Page 77 - WINDOW SENSOR REMOVAL; To remove the window sensor, perform the following procedure:; Window Sensor
6-19 Removal and Replacement 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- ...
Page 78 - MEDIA SENSOR REMOVAL; To remove the media sensor, perform the following steps:; Access Hole
6-20 Removal and Replacement 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 tha...
Page 79 - TRAILING CABLE REMOVAL; To remove the trailing cable, perform the following procedure:; pen carriage assembly.
6-21 Removal and Replacement 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 a...
Page 81 - BACK PANEL REMOVAL; To remove the back panel, perform the following procedure:; Back Panel Screws
6-23 Removal and Replacement 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 scr...
Page 82 - FRONT PANEL ASSEMBLY REMOVAL; Window Sensor Connector
6-24 Removal and Replacement 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 fr...
Page 83 - CARRIAGE MOTOR REMOVAL; To remove the carriage motor, perform the following steps:; Belt Tensioner
6-25 Removal and Replacement 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 bel...
Page 84 - PAPER MOTOR REMOVAL; Remove the electronics enclosure cover.; gear to the drive roller shaft and remove the gear.
6-26 Removal and Replacement PAPER MOTOR REMOVAL Note 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. Remove the carr...
Page 86 - ENCODER STRIP REMOVAL; and encoder strip to the service station.
6-28 Removal and Replacement 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 s...
Page 88 - ROLLFEED COVER ASSEMBLY REMOVAL; Lower and hold the rollfeed cover about halfway open.; and right springs to the pivot spring anchor pins. See Figure 6-21.; Left Pivot Spring
6-30 Removal and Replacement 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 s...
Page 89 - ROLLFEED MODULE ASSEMBLIES (LEFT AND RIGHT) REMOVAL; Remove the appropriate left or right endcover as required.
6-31 Removal and Replacement 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 screwdrive...
Page 90 - CUTTER ASSEMBLY REMOVAL
6-32 Removal and Replacement 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-bra...
Page 92 - TRAILING CABLE GUIDE REMOVAL; To remove the trailing cable guide, perform the following steps:; taches the trailing cable guide to the Y-drive bracket.
6-34 Removal and Replacement 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 ...
Page 94 - Y-TENSIONER AND HOUSING REMOVAL; Release the main idler from the pen carriage belt.
6-36 Removal and Replacement 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. Remove the trailing cable gu...
Page 96 - PEN CARRIAGE ASSEMBLY AND MAIN DRIVE BELT REMOVAL
6-38 Removal and Replacement 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. U...
Page 98 - DROP DETECT AND BAIL SENSORS REMOVAL; Move the pen carriage to the middle of the platen.
6-40 Removal and Replacement 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. Disconnect the dr...
Page 100 - STARGUARD ASSEMBLY REMOVAL; Slide the starguard assembly to the left and out of the plotter.; Starguard Assembly
6-42 Removal and Replacement 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, loose...
Page 101 - BAIL ASSEMBLY REMOVAL; To remove the bail assembly, perform the following procedure:; Bail
6-43 Removal and Replacement 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...
Page 102 - SERVICE STATION ASSEMBLY REMOVAL
6-44 Removal and Replacement 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, r...
Page 103 - resting against the stops inside the service station housing.; proper operation.; Service Station
6-45 Removal and Replacement 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...
Page 105 - OVERDRIVE SUPPORT ASSEMBLY REMOVAL; overdrive cluster gear to the left sideplate. See Figure 6-31.
6-47 Removal and Replacement 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 asse...
Page 107 - CUTTER ENCLOSURE ASSEMBLY REMOVAL; to the left and right sideplates. Remove the front trim pieces.
6-49 Removal and Replacement 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. Remove the...
Page 109 - ENTRY PLATEN ASSEMBLY REMOVAL
6-51 Removal and Replacement 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 111 - DRIVE ROLLER ASSEMBLY REMOVAL
6-53 Removal and Replacement 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. Remove t...
Page 113 - AUTOMATIC BAIL LIFT MECHANISM REMOVAL; To remove the bail lift mechanism, perform the following steps:; Engagement Lever
6-55 Removal and Replacement 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...
Page 114 - MEDIA DIVERTER REMOVAL; To remove the media diverters, perform the following procedure:; Media Diverters
6-56 Removal and Replacement 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. Remove the...
Page 115 - PINCH ARM AND LIFT MECHANISM REMOVAL; Remove the overdrive support assembly.
6-57 Removal and Replacement 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 ...
Page 117 - Adjustments/Calibrations
Chapter 7 Adjustments/Calibrations 7-1 Adjustments/Calibrations INTRODUCTION This chapter describes any adjustments and/or calibration procedures to be performed onModels C2858A and C2859A DesignJet 650C plotters. Also provided is a listing of wheneach procedure is required. Introduction 7-1 . . . ....
Page 118 - ADJUSTMENTS
7-2 Adjustments/Calibrations ADJUSTMENTS There are no electrical or mechanical adjustments required on the HP C2858A and C2859ADesignJet 650C plotters. CALIBRATIONS DesignJet 650C plotters have several calibration procedures that must be performed undercertain conditions. Refer to Table 7-1 to deter...
Page 120 - ACCURACY CALIBRATION
7-4 Adjustments/Calibrations 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 perform...
Page 127 - Troubleshooting
Chapter 8 Troubleshooting 8-1 Troubleshooting INTRODUCTION This chapter contains diagnostic instructions, error codes and messages, service tests, andtroubleshooting information for use as an aid in solving Model C2858A and C2859A De-signJet 650C plotter symptoms and failures. Introduction 8-1 . . ....
Page 128 - DIAGNOSTICS; Self-tests normally run when the plotter is switched on are:
8-2 Troubleshooting 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 me...
Page 129 - MECHANICAL INITIALIZATION
8-3 Troubleshooting !#! "!" "! " " "!"! * " # " "#!""!! " " # "#!""!!"& " " ! $ !! " ! # " #" " "! "!" "! "!"! " " #" "!""% " !! !! " " "...
Page 130 - ERROR MESSAGES AND CODES; WORDED ERROR MESSAGES
8-4 Troubleshooting 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 errormessages require action to clear, and others are only displayed until...
Page 137 - SERVO CONTROL SYSTEM FAILURES
8-11 Troubleshooting DISPLAY DATA PLOT Display data is a plot feature, located under the ªUtilities Menu’, that allows you to plot thefirst and last 1000 bytes of graphic instructions of a plot file sent. This feature can be used toensure proper data reception. The instructions will be plotted in AS...
Page 138 - TROUBLESHOOTING TIPS
8-12 Troubleshooting TROUBLESHOOTING TIPS Certain failures, such as the media sensor and pinchwheel sensor, will not allow access to theservice menu after the normal initialization process occurs. The front panel will be locked atthis point. To alleviate this situation, perform the following steps: ...
Page 139 - SERVICE TESTS; Full menu mode will access the aService Testso submenu.
8-13 Troubleshooting 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. Note Certain plotter failures that can occur will prevent the plotter from...
Page 140 - EXIT
8-14 Troubleshooting Table 8-3. Service Tests Test Description Assemblies Tested EEROM (Clear) EEROM (Test) Allows you to either clear or test theEEROM. Clearing defaults all set-up values,clears calibration values and calculates a newEEROM checksum. The EEROM should onlybe cleared in event of a che...
Page 142 - STOP
8-16 Troubleshooting Table 8-3. Service Tests (Continued) Test Description Assemblies Tested Primer Verifies the ability of the primer to selectindividual pens and run the pump for testingpriming capability. Also tests the optical sensor ’s ability to initialize the primer cam. PensPrimer AssemblyOp...
Page 145 - CONFIGURATION PLOT; To run the configuration plot, perform the following steps:
8-19 Troubleshooting CONFIGURATION PLOT The configuration plot aids in the analysis of plotter problems by providing: $"!$$$!’ & "!& %! &$ % %’$ ’ #’ "&&$ %!$ ’% && " !,, "$!% " -&!-" - & "$!% !) "$!% ($& %&$& %%!’$-...
Page 146 - BAR PATTERN ANALYSIS
8-20 Troubleshooting 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 configurationplot will automatically run to completion. BAR PATTERN ANALYSIS The configuration plot has several special ...
Page 147 - READING THE EEROM TEXT BLOCK
8-21 Troubleshooting 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 inthe following pages of this chapter to assist you in interpreting the co...
Page 153 - Product History
Chapter 9 Product History 9-1 Product History INTRODUCTION This chapter describes the differences between earlier versions of the HP C2858A/C2859ADesignJet 650C plotters and the latest version documented in this manual. Versions are iden-tified by their serial number and the date codes on their prin...
Page 154 - HISTORY OF ASSEMBLIES BY SERIAL NUMBER
9-2 Product History HISTORY OF ASSEMBLIES BY SERIAL NUMBER C2858A and C2859A plotters use a serial number format as follows: USAxxyyyyy 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 re...
Page 155 - HISTORY OF PRINTED-CIRCUIT ASSEMBLIES; Hewlett-Packard’s PCAs have three major identification features:
9-3 Product History 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 part...
Page 156 - Notes
Page 157 - Parts and Diagrams
Chapter 10 Parts and Diagrams 10-1 Parts and Diagrams INTRODUCTION This chapter contains information for locating, identifying and ordering replacement partsfor the HP C2858A and C2859A plotters. Parts lists with associated illustrated parts break-down drawings are provided. Introduction 10-1 . . . ...
Page 158 - EXCHANGE ASSEMBLIES; Exchange Assemblies; REPLACEMENT PARTS
10-2 Parts and Diagrams EXCHANGE ASSEMBLIES Factory rebuilt assemblies that can be exchanged are listed in the following Table. Exchange,factory repaired and tested, assemblies are available only on a trade-in basis; therefore, thedefective assemblies must be returned for credit. Exchange Assemblies...
Page 160 - Parts List, Stand Assemblies
10-4 Parts and Diagrams Parts List, Stand Assemblies Ref. Des. HP Part Number C D Qty Description 1 C2847-60002C2848-60002 67 22 LEG ASSEMBLY MODEL C2858A MODEL C2859A 2 C2847-00013 C1633-00046 32 11 STAND BRACE MODEL C2858A MODEL C2859A 3 C2847-60061 7 1 HARDWARE KIT 4 0515-0380 2 6 SCREW, MACH M4X...
Page 161 - Illustrated Parts Breakdown
10-5 Parts and Diagrams Illustrated Parts Breakdown Stand Assemblies, 1 2 3 4 5 6 7 8 1 3 5 3 3 3 3 3 9 9 (C)C2858–1–1
Page 162 - Parts List, Window and Back Cover Assemblies
10-6 Parts and Diagrams Parts List, Window and Back Cover Assemblies Ref. Des. HP Part Number C D Qty Description 1 C2858-60024 5 1 CABLE ASSEMBLY, TRAILING 2 0620-0520 3 1 SCREW, 6-19 0.50 3 07575-40012 2 2 HINGE, MALE 4 07575-40111 2 2 HINGE, FEMALE 5 C2847-60008 C1633-60053 27 11 BLADE RUNNER ASS...
Page 163 - Window and Back Cover Assemblies,
10-7 Parts and Diagrams Illustrated Parts Breakdown 1 2 3 4 5 6 3 4 7 10 9 8 11 7 12 To Pen Carriage To Main PCA Window and Back Cover Assemblies, Electronics Enclosure 13 C2858A See Page 10-9. C2859A See Page 10-11. (C)C2858-2-1
Page 164 - Parts List, C2859A Electronics Enclosure
10-8 Parts and Diagrams Parts List, C2859A Electronics Enclosure Ref. Des. HP Part Number C D Qty Description 1 0515-1249 4 19 SCREW, MACH 2 C2858-60105 3 1 PCA, INTERCONNECT 3 156474 2 1 IC EEROM (U42) 4 C2065A C2066A 45 SIMM 4MB (OPTION: SEE CHAPTER 1)SIMM 8MB (OPTION: SEE CHAPTER 1) 5 C2847-40007...
Page 166 - Parts List, C2858A Electronics Enclosure
10-10 Parts and Diagrams Parts List, C2858A Electronics Enclosure Ref. Des. HP Part Number C D Qty Description 1 C1633-40059 1 2 GUIDE, MIO SUPPORT 2 0515-0380 2 15 SCREW, MACH M4X10 3 C1633-00033 7 1 SUPPORT, MIO 4 0515-1249 4 20 SCREW, MACH 5 C2858-60105 3 1 PCA, INTERCONNECT 6 C2847-60004 8 1 ENC...
Page 168 - Parts List, Left Endcover and Trim
10-12 Parts and Diagrams Parts List, Left Endcover and Trim Ref. Des. HP Part Number C D Qty Description 1 C2858-40013 2 1 ENDCOVER ASSEMBLY, LEFT 2 C2858-00018 1 1 LABEL, SERIAL NUMBER 3 1 SIDEPLATE (part of chassis assembly, see page 10-32) 4 C2858-40028 7 1 TRIM, LEFT REAR 5 0515-2254 3 4 SCREW, ...
Page 170 - Parts List, Right Endcover and Trim
10-14 Parts and Diagrams Parts List, Right Endcover and Trim Ref. Des. HP Part Number C D Qty Description 1 0515-2250 9 2 SCREW, FLAT, TAPTITE M4 2 0515-2254 3 4 SCREW, FLAT M4X16 3 C2858-40025 4 1 TRIM, RIGHT FRONT 4 C2858-40027 6 1 TRIM, RIGHT REAR 5 0515-2304 9 1 SCREW/BOLT METRIC 6 1 SIDEPLATE (...
Page 172 - Parts List, Rollfeed Components
10-16 Parts and Diagrams Parts List, Rollfeed Components Ref. Des. HP Part Number C D Qty Description 1 C2847-60013C1633-60064 90 11 ROLLCOVER ASSEMBLY MODEL C2858A MODEL C2859A 2 C2847-80001 C1633-80004 70 22 SPRING, ROLLCOVER MODEL C2858A MODEL C2859A 3 0515-2253 2 2 SCREW, TAPTITE W/WASHER M3 4 C...
Page 174 - HP Part
10-18 Parts and Diagrams Parts List, Carriage Axis Drive (Left End) Ref. Des. HP Part Number C D Qty Description 1 C2847-00029 1500-0856 17 11 BELT, MAIN DRIVE MODEL C2858A MODEL C2859A 2 07570-60105 1 1 MAIN IDLER ASSEMBLY 3 07570-40105 9 1 TENSIONER, MAIN 4 1460-2139 7 1 SPRING, COMP 1.07 OD 5 C16...
Page 176 - Parts List, Service Station Assembly
10-20 Parts and Diagrams Parts List, Service Station Assembly Ref. Des. HP Part Number C D Qty Description 1 C2858-60006 3 1 CABLE ASSEMBLY, BAIL SENSOR 2 C1633-40051 3 1 FLAG, BAIL SENSOR 3 C2858-60005 2 1 BAIL SENSOR 4 C2858-40001 6 1 SERVICE STATION HOUSING 5 C2858-40032 3 1 WIPER, SERVICE STATIO...
Page 180 - Parts List, Pen Carriage Assembly
10-24 Parts and Diagrams Parts List, Pen Carriage Assembly Ref. Des. HP Part Number C D Qty Description 1 C2858-60023 4 1 PEN CARRIAGE ASSEMBLY 2 C2858-40016 3 2 BUSHING, FRONT 3 C1633-80014 2 1 SPRING, PRELOAD 4 C2858-40017 4 1 BUSHING, REAR 5 0624-0737 4 4 SCREW, 2-28 X .375 PLASTITE 6 C2858-60010...
Page 182 - Parts List, Paper Drive Assemblies
10-26 Parts and Diagrams Parts List, Paper Drive Assemblies Ref. Des. HP Part Number C D Qty Description 1 C2847-00041C2848-00010 71 11 PLATEN ENTRY MODEL C2858A MODEL C2859A 2 C2858-60054 C2859-60004 12 11 PLATEN, ROLLER ASSEMBLY MODEL C2858A MODEL C2859A 3 0515-2246 3 4 SCREW, TORX/SLOT M3 4 0515-...
Page 184 - Parts List, Bail and Overdrive Support Assemblies
10-28 Parts and Diagrams Parts List, Bail and Overdrive Support Assemblies Ref. Des. HP Part Number C D Qty Description 1 C1633-80006 2 1 SPRING, ENGAGING LEVER 2 0624-0647 5 1 SCREW, TAPPING, 4-20 3 3050-0026 0 1 WASHER, 3.2MM 4 C1633-40028 4 1 GEAR, ENGAGING LEVER 5 C1633-40027 3 1 GEAR, CAM 6 C28...
Page 186 - Parts List, Pincharm Assembly
10-30 Parts and Diagrams Parts List, Pincharm Assembly Ref. Des. HP Part Number C D Qty Description 1 0515-1992 4 2 SCREW, M2.5X20 2 C1633-40029 5 2 CAM, JOURNAL 3 0535-0026 5 2 NUT, HEX, DBL-CHAM 4 C2847-20005 C1633–20012 54 11 CAM, MANUAL PINCHARM LIFT MODEL C2858A MODEL C2859A 5 C1633-60039 9 4 6...
Page 188 - Parts List, Starwheel, Starguard and Chassis Assemblies
10-32 Parts and Diagrams Parts List, Starwheel, Starguard and Chassis Assemblies Ref. Des. HP Part Number C D Qty Description 1 0515-2337 3 2 SCREW, LONG, DOGPOINT 2 0515-2304 9 2 SCREW/BOLT METRIC 3 0515-2333 9 4 SCREW, THRD RLLG 4 C2847-60009 C1633-60032 32 11 STARGUARD ASSEMBLY MODEL C2858A MODEL...
Page 191 - Glossary
Glossary G-1 Glossary address The address specifies the plotter ’s location on the HP-IB (IEEE-488) interfacecable (bus). ASCII American Standard Code for Information Interchange. An 8-bit code thatuses 7 bits to represent character data such asletters, punctuation, symbols, and controlcharacters. B...
Page 193 - Index
Index ##%33/2)%3: Index $*534-%.43: .!,93)3!2 !44%2. : 00,)#!4)/.0%#)&)#.4%’2!4%$ )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!,:...