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Lexmark X73 Scan/Print/Copy
4402-001
• Table of Contents
Start Diagnostics
Safety and Notices
Trademarks
Index
Lexmark and Lexmark with diamond
design are trademarks of Lexmark
International, Inc., registered in the
United States and/or other countries.
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4402-001 Edition: June 2001 The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK INTERNATIONAL, INC. PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions; therefore, this statement may not
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4402-001 Table of Contents Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Scanner Specifications . . . . . . . . . . . . . . . . . . . . . . . . .
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4402-001 Removal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Releasing Plastic Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Scanner Lid Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-3 Rear Cover Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3 Operator Panel Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4 Top Housing Assembly Removal . . . . . .
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4402-001 Safety Information • This product is designed, tested and approved to meet strict global safety standards with the use of specific Lexmark components. The safety features of some parts may not always be obvious. Lexmark is not responsible for the use of other replacement parts. The maintenance information for this product has been prepared for use by a professional service person and is not intended to be used by others. There may be an increased risk of electric shock and pe
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4402-001 Norme di sicurezza Il prodotto è stato progettato, testato e approvato in conformità a severi standard di sicurezza e per l’utilizzo con componenti Lexmark specifici. Le caratteristiche di sicurezza di alcune parti non sempre sono di immediata comprensione. Lexmark non è responsabile per l’utilizzo di parti di ricambio di altri produttori. Le informazioni riguardanti la manutenzione di questo prodotto sono indirizzate soltanto al personale di assistenza autorizzato. Durante
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4402-001 Pautas de Seguridad Este producto se ha diseñado, verificado y aprobado para cumplir los más estrictos estándares de seguridad global usando los componentes específicos de Lexmark. Puede que las características de seguridad de algunas piezas no sean siempre evidentes. Lexmark no se hace responsable del uso de otras piezas de recambio. La información sobre el mantenimiento de este producto está dirigida exclusivamente al personal cualificado de mantenimiento. Existe mayor r
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4402-001 Informació de Seguretat Aquest producte està dissenyat, comprovat i aprovat per tal d'acomplir les estrictes normes de seguretat globals amb la utililització de components específics de Lexmark. Les característiques de seguretat d'algunes peces pot ser que no sempre siguin òbvies. Lexmark no es responsabilitza de l'us d'altres peces de recanvi. La informació pel manteniment d’aquest producte està orientada exclusivament a professionals i no està destinada a ningú que no ho s
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4402-001 Safety Information ix
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4402-001 Preface This manual describes the Lexmark X73 Scan/Print/Copy (4402- 001) and contains maintenance procedures for service personnel only. It is divided into the following chapters: 1. General Information contains a general description of the printer and the maintenance approach used to repair it. Special tools and test equipment are listed in this chapter, as well as general environmental and safety instructions. 2. Diagnostic Information contains an error indicator table, symptom
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4402-001 1. General Information The Lexmark X73 machine is an electro-mechanical scanner, printer, and copier that creates characters and graphics by composing programmed patterns of ink dots using a printhead and liquid ink. The printhead uses small heater plates and nozzles to control ink flow and the formation of characters on the print media. The printhead assembly and ink supply are combined into a single- unit, print cartridge available as a customer replaceable supply item. Dual pr
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4402-001 Scanner Specifications Scanner Type Flatbed, CCD Scan Modes True Color: 48 Bit Internal (68.7 Billion Colors) 24 Bit External (16.7 Million Colors) Gray Mode: 12 Bits Internal (4,096 Shades of Gray) 8 Bits External (256 Shades of Gray) Text/Line Art: 1 Bit Per Pixel Scan Method One Pass Scanning Scan Area 8.5 X 11.7 inches 216 X 292 mm Scan Resolution Optical: 600 dpi (H) X 1200 dpi (V) Interpolated: 9600 X 9600 1-2 Service Manual
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4402-001 Operator Panel Press this When you want to: button: Setup Adjust your copy and scan settings using the Scan & Copy Control Program on your computer. Color Copy Make a color copy. Black Copy Make a black and white copy. Scan Press the scan button after selecting a Scan To destination. Scan To Select a scan destination, such as To copy, To and e- mail, To an application, To a file, or To fax. Scan To E-mail Scan an image or document and send with an e-mail message. Scan To Fax Scan
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4402-001 Maintenance Approach The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the symptom index, service checks, and diagnostic aids to determine the symptom and repair the failure. After you complete the repair, perform tests as needed to verify the repair. Abbreviations B/M Bill of Material CCD Charged Coupled Device EOF End of Form ESD Electrostatic Discharge FPC Flat Printhead Cable FRU Field Replaceable Unit HVPS High Volt
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4402-001 2. Diagnostic Information Start Use the symptom tables, service checks, and diagnostic aids in chapter three, to determine the printer failure. Power-On Self Test (POST) Sequence Press the power button to turn machine on. Power light turns on. The paper feed motor runs then stops. Status light stays on for a second and turns off. The carrier moves to the left then returns to the right stopping at the maintenance station. Power light stays on. If your printer completes POS
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4402-001 POST Symptom Table Symptom Action No Power or Go to the “Power Service Check” on page 2-14. If okay, Status lights and go to the “Operator Panel Problems” on page 2-3. no motors run. Paper feed Go to the “Paper Feed Service Check” on page 2-11. gears do not turn Carrier does not Go to the “Carrier Transport Service Check” on move page 2-6. Carrier slams Go to the “Carrier Transport Service Check” on side frame page 2-6. CCD does not Go to the “Gear Train Assembly Service Check” on
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4402-001 Symptom Tables Locate the symptom in the following tables and take the appropriate action. Carrier Transport Problems Symptom Action No carrier movement Go to the “Carrier Transport Slow carrier movement Service Check” on page 2-6. Carrier stops Carrier slams side frame Maintenance Station Problems Symptom Action Maintenance station: Go to the “Maintenance Station Service Check” on page 2-10. Fails to cap the printheads Fails to clean the printheads Operator Panel Problem
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4402-001 Printer Communication Table Symptom Action Not able to print Test Page Check the USB cable and system board cable connections. If okay, replace system board. Go to the “System Board Removal” on page 4-12. Scanner Problems Symptom Action CCD does not move Go to the “CCD Module Assembly Lamp does not light Service Check” on page 2-8. Go to the “Gear Train Assembly Service Check” on page 2-9. Scanned images are faded, or Go to the “Scan/Copy Quality colors are dull, blurry o
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4402-001 Paper Feed Problems Symptom Action Fails to pick paper Go to the “Paper Feed Service Picks more than one sheet of Check” on page 2-11. paper Picks paper but fails to feed Paper jams Paper fails to exit Noisy paper feed Envelopes fail to feed Go to the “Paper Feed Service Check” on page 2-11. Paper skews Go to the “Paper Path Service Check” on page 2-13. Power Problems Symptom Action No power in machine, motors do Go to the “Power Service Check” not operate on page 2-14
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4402-001 Service Checks Carrier Transport Service Check FRU Action 1 System Board Check the transport carrier motor connector J4. If connected, check for approximately 28 volts on Carrier Transport pins 1 and 2 or at the wire connections located on Motor the rear of the transport carrier motor. If voltage is incorrect, replace the system board. If voltage is correct, check the motor for shorts. 2 Carrier Transport Check the motor for binds, or loose motor pulley. Motor A noisy or chattering
