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HP DesignJet ColorPro CAD
HP DesignJet ColorPro GA
Service Manual
www.GovTechMedia.com
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For HP Internal Use Only Warranty WARNING WARNING The Warning symbol calls ©Copyright Hewlett-Packard The information contained in this The procedures described in this attention to a procedure, practice, Company 1999 document is subject to change manual are to be performed by or the like, which, if not correctly without notice. HP-qualified service personnel This document contains performed or adhered to, could only. proprietary information that is Hewlett-Packard makes no result in pe
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1 HP DesignJet ColorPro CAD HP DesignJet ColorPro GA Service Manual www.GovTechMedia.com
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Using this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: n HP DesignJet ColorPro CAD Printer (Model C7777A) n HP DesignJet ColorPro GA Printer (Model C7778A) For information about using these printers, refer to the corresponding User and Quick Reference Guides. Readership The procedures described in this Service Manual are to be performed by HP Certified service personnel only. Part Numbers Part Numbers for Printer options, accessories and s
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Table of Contents Table of Contents 1 Chapter 1 - Product Information Chapter 2 - Operating Overview Chapter 3 - Loading Paper and paper Behaviour Chapter 4 - Install/Uninstall printer Software Chapter 5 - Maintenance and Ink Chapter 6 - Functional Overview Chapter 7 - Removal & Replacement w/o Calibration Chapter 8 - Troubleshooting Chapter 9 - Parts & Diagrams Chapter 10 - Removal & Replacement with Calibration Chapter 11 - Calibration HP DesignJets ColorPro CAD and GA Printers Service Manua
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Table of Contents HP DesignJets ColorPro CAD and GA Printers Service Manual 4 www.GovTechMedia.com
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Chapter 1 Product Information Technology Update Modular Ink Delivery System A modular ink delivery system is the separation of ink cartridges and printheads into individual, single-color components. Traditional inkjet printers use one black and one tri- color ink cartridge, each with integrated printheads. HP’s modular ink delivery system features four separate ink cartridges--one for each primary printing color--and four corresponding long-life printheads, with tubes connecting the components.
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Technology Update How It Works By separating the ink cartridge from the printheads, a modular ink delivery system allows the ink supply to remain in a permanent, fixed position. The printheads remain attached to the carriage and move back and forth, delivering ink to the page as the paper advances through the printer. Each printhead and ink cartridge is embedded with a tiny memory device called a smart chip that recognizes and stores the unique operating characteristics of the component to creat
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Technology Update The Benefits Cuts up to 30 percent off the printing costs of other methods Modular design means only the component that is no longer useful is replaced. Longer-life printheads and higher-capacity ink cartridges means less frequent replacement. Achieves color laser speed in a personal desktop printer Each Printhead has 304 nozzles (1,216 total, the most in the industry) resulting in faster print speeds. Prints in 1/2-inch swath as opposed to the 1/5- or 1/3-inch swaths o
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Specifications Data Sheet Plain paper drop on-demand thermal inkjet printing. Print Method 1 Print Speed Black Black Text Letter / A4 11x17 / A3 Econofast Mode 11.0 ppm 7.0 ppm Normal Mode 9.0 ppm 5.0 ppm Best Mode 7.5 ppm 4.5 ppm 1 Print Speed Color Color Highlights Letter / A4 11x17 / A3 Econofast Mode 9.0 ppm 5.5 ppm Normal Mode 6.5 ppm 3.5 ppm Best Mode 5.5 ppm 2.5 ppm Mixed Text & Graphics Letter / A4 11x17 / A3 Econofast Mode 9.0 ppm 6.0 ppm Normal Mode 3.0 ppm 2.0 ppm Best Mode 1.5 ppm
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Connectivity /Network HP DesignJet ColorPro CAD Network-capable printer for DOS and Windows environments Management Enhanced HP PCL 3e Windows Driver Support for Windows NT 4.0, Windows 3.1x/95/98 Centronics parallel, IEEE 1284 compliant One network interface slot accepts optional HP MIO Print Servers with support for Novell Netware, Microsoft LAN Manager, Windows for Workgroups, Windows for NT, IBM LAN Server, Unix environment and Apple Talk (Ether Talk) HP DesignJet ColorPro GA Network-ready p
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Paper Size Handling Minimum Width: 76.2 mm (4in.) x 127.0 mm (6 in.) Maximum Width: 330.2 mm (13in.) x 482.6 mm (19 in.) Maximum Print Width 320 mm (12.61 in.) x 470 mm (18.49 in.) on 13 in. x 19 in. media Recommended Media All input paths handle the following paper weights with the rear straight-through paper path handling up to 0.3 mm thickness of paper Weight 2 Paper / Labels: 60 to 135 g/m (16 to 36 lb. Bond) 2 Cards: 110 to 200 g/m (110 lb. Index) Straight-through path: up to 0.3 mm thickne
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Dimensions With paper tray closed 685 mm (26.97in.) W x 610 mm (24.02in.) D x 337 mm (13.27in.) H With paper tray fully extended 685 mm (26.97in.) W x 745 mm (29.33in.) D x 337 mm (13.27in.) H Desk Space Required 685 mm (26.97 in.) W x 532 mm (20.94 in.) D Weight 26.5 kg (58.48 lb.) without printheads and ink cartridges 27.0 kg (59.52 lb.) with printheads and ink cartridges Reliability & Estimated Up to 12,000 pages / month Usage System Requirements Minimum: Windows 3.1x: 486DX-66, 8Mb RAM Windo
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Specifications Cable Specifications 1284-B Connector Pin Assignments The pin numbers and their assigned signal names for the 1284-B connectors are given below. Note The abbreviations used in the "Source" column: H = host; P = printer; Bi-Di = bi-directional PIN#SOURCE COMPATIBLE NIBBLE BYTE ECP EPP 1 H nStrobe HostClk HostClk HostClk nWrite 2 Bi-Di* Data 1 (Least Significant Bit) AD1 3 Bi-Di* Data 2 AD2 4 Bi-Di* Data 3 AD3 5 Bi-Di* Data 4 AD4 6 Bi-Di* Data 5 AD5 7 Bi-Di* Data 6 AD6 8 Bi-Di* Data
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30 Signal Ground (nAutoFd, nSelectIn, nInit) 31 H nInit nInit nInit nReverseRequest nInit 32 P nFault nDataAvail nDataAvail nPeriphRequest User Defined 2 33 Not Defined 34 Not Defined 35 Not Defined 36 H nSelectIn 1284 Active 1284 Active 1284 Active nAStrb * Data signals will be driven by some but not all peripheral devices. * Pins not defined by this spec are used by manufacturers at their own risk. Product Information 1-9 www.GovTechMedia.com
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Specifications Centronics Parallel Pinout Information PIN NUMBER PIN ID DESCRIPTION 1 1Strobe A low pulse causes the printer to read one byte of data 2 - 9 Data 0 - Date 7 These pins are the data lines. Data 0 is the least significant bit (LSB) 10 Acknowledge The printer sends a low pulse to indicate that it has accepted a byte of data and is ready for more data. 11 Busy The printer sends a high logic level to indicate to the computer that it cannot receive data due to data entry, a full buffer
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Specifications The Centronics Parallel Cable has only 8 data lines, 5 status lines, 4 ground lines and ground connections between the host PC and the peripheral. Each of the signal lines has a corresponding bit position in a memory address (register) in the host where data is read or written. Sending data to the printer follows the sequence below: Host places data in Data Out register Host sends pulse on Strobe line Printer sends pulse on Busy in response to pulse on Strobe Printer reads
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Specifications IEEE 1284 Pinout Information Any standard IEEE 1284 compliant printer cable will work with the printer. The customer can order the HP IEEE 124 Compliant Parallel Interface Cable C2950A (2 meters) or C2951A (3 meters). PIN NUMBER PIN ID DESCRIPTION 1 HostClk Used in a closed-loop handshake with PeriphAck to transfer data or address information from the host to the peripheral device. 2 - 9 AD1 - AD8 Host to peripheral device or peripheral device to host address or data. Data 1 is th
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32 nPeriphRequest During ECP mode the peripheral may drive this pin low to request communications with the host. This request merely “hints” to the host; the host has ultimate control over the transfer direction. This signal provides a mechanism for peer-to-peer communication. This signal is valid in the forward and reverse directions. 36 1284 Active Driven high by host while in ECP mode. Set low by the host to terminate ECP mode and return the link to the Centronics (uni-directional) mode The 1
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Specifications Reliability Specifications Category Specifications Printer Usage Up to 12,000 pages / month Mechanism Life 150,000 A size pages / 5 years 1- 14 Product Information www.GovTechMedia.com
