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LexmarkTM T52x
4520-xxx
· Table of Contents · Start Diagnostics · Safety and Notices · Trademarks · Index · Manuals Menu
Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
4520-xxx
Edition: July 2002
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 apply to you. This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in later editions. Improvements or changes in the products or the programs described may be made at any time. Comments may be addressed to Lexmark International, Inc., Department D22A/032-2, 740 West New Circle Road, Lexington, Kentucky 40550, U.S.A or e-mail at [email protected]. Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you. You can purchase additional copies of publications related to this product by calling 1-800-553-9727. In other countries, contact your point of purchase. Lexmark and Lexmark with diamond design and MarkNet are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. ImageQuick and Optra Forms are trademarks of Lexmark International, Inc. Other trademarks are the property of their respective owners. © Copyright Lexmark International, Inc. 2001. All rights reserved. UNITED STATES GOVERNMENT RESTRICTED RIGHTS This software and documentation are provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 and in applicable FAR provisions: Lexmark International, Inc., Lexington, KY 40550.
P/N: 12G3967
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Contents
Notices and Safety Information . . . . . . . . . . . . . . . . . . . . . . . ix
Laser Notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance Approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tools Required for Service . . . . . . . . . . . . . . . . . . . . . . . . . . . Acronyms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-2 1-3 1-3 1-4
Diagnostic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Service Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 User Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 User Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25 Power-On Self Test (POST) . . . . . . . . . . . . . . . . . . . . . . . 2-35 Symptom Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36 Service Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39 Charge Roll Service Check . . . . . . . . . . . . . . . . . . . . . . . 2-40 Cover Open Switch/Cable Service Check . . . . . . . . . . . . 2-42 Dead Machine Service Check . . . . . . . . . . . . . . . . . . . . . 2-43 Duplex Unit Service Check. . . . . . . . . . . . . . . . . . . . . . . . 2-45 Envelope Feeder Service Check . . . . . . . . . . . . . . . . . . . 2-48 Fuser Service Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-56 Fuser Solenoid Service Check . . . . . . . . . . . . . . . . . . . . . 2-60 Input Sensor Service Check . . . . . . . . . . . . . . . . . . . . . . . 2-61 Input Tray(s) Service Check . . . . . . . . . . . . . . . . . . . . . . . 2-62 High-Capacity Feeder Input Tray Service Check . . . . . . . 2-66 Main Drive Service Check . . . . . . . . . . . . . . . . . . . . . . . . 2-77 Operator Panel Service Check . . . . . . . . . . . . . . . . . . . . . 2-79 Options Service Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-81 Output Bin Sensor Standard Tray Service Check . . . . . . 2-83 Paper Feed Service Check. . . . . . . . . . . . . . . . . . . . . . . . 2-84 Parallel Port Service Check . . . . . . . . . . . . . . . . . . . . . . . 2-86 Printhead Service Check . . . . . . . . . . . . . . . . . . . . . . . . . 2-87 Print Quality Service Check . . . . . . . . . . . . . . . . . . . . . . . 2-88 Smart Contact Assembly Service Check . . . . . . . . . . . . 2-100 Serial Port Service Check. . . . . . . . . . . . . . . . . . . . . . . . 2-101 Toner Sensor Service Check . . . . . . . . . . . . . . . . . . . . . 2-102 Contents iii
4520-xxx Transfer Roll Service Check . . . . . . . . . . . . . . . . . . . . . 2-103 Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Diagnostic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Device Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Quick Disk Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Disk Test/Clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Flash Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Disabling Download Emulations . . . . . . . . . . . . . . . . . . . . 3-5 Duplex Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Duplex Quick Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Duplex Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Duplex Motor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 Duplex Feed 1 Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Duplex Feed 2 Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Viewing the Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Clearing the Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Hardware Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 LCD Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 Button Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 SDRAM Memory Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 ROM Memory Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Parallel Wrap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Serial Wrap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Input Tray Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Input Tray Feed Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Input Tray Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 Output Bin Test - Standard Bin . . . . . . . . . . . . . . . . . . . . 3-16 Base Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 Print Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Printer Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Setting the Page Count . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Viewing the Permanent Page Count . . . . . . . . . . . . . . . . 3-18 Maintenance Page Count . . . . . . . . . . . . . . . . . . . . . . . . 3-19 Setting Configuration ID. . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 Restore EP Factory Defaults . . . . . . . . . . . . . . . . . . . . . . 3-21 Print Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 Print Quality Test Pages . . . . . . . . . . . . . . . . . . . . . . . . . 3-23 Print Test with RIP (Controller Board) Removed . . . . . . . 3-24 Printing Menu Settings Page . . . . . . . . . . . . . . . . . . . . . . 3-24 Autocompensator Operation . . . . . . . . . . . . . . . . . . . . . . . . . 3-25 Autoconnect System, Paper Tray Options, Envelope Feeder 3-26
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4520-xxx Fuser Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27 Paper Feed Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28 Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Handling ESD-Sensitive Parts . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Duplex Motor Drive Belts . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Fuser Solenoid Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Gap Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Printhead Assembly Adjustment. . . . . . . . . . . . . . . . . . . . . 4-4 Paper Alignment Assembly Adjustment . . . . . . . . . . . . . . . 4-5 Screw Identification Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 Removal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 Covers Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 Center Pan Assembly Removal . . . . . . . . . . . . . . . . . . . . 4-16 Controller Board Removal . . . . . . . . . . . . . . . . . . . . . . . . 4-17 Developer Drive Assembly Removal . . . . . . . . . . . . . . . . 4-18 Duplex Board Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Duplex Front Cover Assembly Removal. . . . . . . . . . . . . . 4-19 Duplex Front Cover Door Removal . . . . . . . . . . . . . . . . . 4-19 Duplex Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 EMC Shields Removals . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21 Engine Board Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23 Main Fan Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 Frames Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25 Fuser Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28 Fuser Board Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29 Fuser Cover Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30 Fuser Detack Housing Assembly Removal . . . . . . . . . . . 4-32 Fuser Transfer Plate Removal . . . . . . . . . . . . . . . . . . . . . 4-32 Fuser Envelope Conditioner Solenoid Removal. . . . . . . . 4-33 Fuser Narrow Media Sensor/Flag Assembly Removal. . . 4-34 Fuser Exit Sensor Flag Assembly Removal . . . . . . . . . . . 4-34 Fuser Lamp Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35 Fuser Lower Exit Guide Assembly Removal . . . . . . . . . . 4-35 High Voltage Power Supply Removal. . . . . . . . . . . . . . . . 4-36 Integrated Tray Compensator Assembly Removal. . . . . . 4-37 Integrated Tray Compensator Pick Roll Asm Removal . . 4-38 Interconnect Board Assembly Removal . . . . . . . . . . . . . . 4-39 Low Voltage Power Supply Removal . . . . . . . . . . . . . . . . 4-40 Main Drive Assembly Removal. . . . . . . . . . . . . . . . . . . . . 4-43 Main Drive Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . 4-44 Multipurpose Tray/Lower Deflector Assembly Removal. . 4-45 Contents v
4520-xxx Operator Panel Assembly Removal. . . . . . . . . . . . . . . . . Operator Panel Cable/Cover Switch Removal. . . . . . . . . Optional 250/500 Paper Tray Assembly Removal. . . . . . Paper Alignment Assembly Removal . . . . . . . . . . . . . . . Paper Deflectors Removals . . . . . . . . . . . . . . . . . . . . . . . Paper Input Sensor Removal. . . . . . . . . . . . . . . . . . . . . . Paper Size Sensing Board Removal . . . . . . . . . . . . . . . . Pick Roll Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Printhead Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Redrive Assembly Removal. . . . . . . . . . . . . . . . . . . . . . . Smart Contact Assembly Removal . . . . . . . . . . . . . . . . . Toner Sensor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . Transfer Roll Assembly Removal . . . . . . . . . . . . . . . . . . Upper Paper Deflector Assembly Removal . . . . . . . . . . . Upper Front Cover Hinge Assembly Removal. . . . . . . . . Upper Front Cover Interlock Switch Assembly Removal . 4-47 4-48 4-49 4-50 4-52 4-53 4-53 4-53 4-54 4-55 4-56 4-57 4-58 4-58 4-59 4-60
Connector Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Low Voltage Power Supply . . . . . . . . . . . . . . . . . . . . . . . . 5-1 High Voltage Power Supply . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Engine Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Engine Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9 Controller Board - Non Network. . . . . . . . . . . . . . . . . . . . 5-10 Controller Board - Network . . . . . . . . . . . . . . . . . . . . . . . 5-11 Fuser Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 Interconnect Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Envelope Feeder Board. . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Duplex Unit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18 Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Inspection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lubrication Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 6-1 6-1 6-2
Parts Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 How to Use This Parts Catalog. . . . . . . . . . . . . . . . . . . . . . . . 7-1 Assembly 1: Covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Assembly 2: Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4 Assembly 3: Printhead. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8 Assembly 4: Paper Feed (Autocompensator) . . . . . . . . . 7-10 Assembly 5: Paper Feed - Multipurpose Unit . . . . . . . . . 7-12 Assembly 6: Paper Feed - Alignment . . . . . . . . . . . . . . . 7-14 Assembly 7: Paper Feed - Output . . . . . . . . . . . . . . . . . . 7-16 Assembly 8: Integrated Paper Tray - 500 Sheet . . . . . . . 7-18
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4520-xxx Assembly 9: Main Drive . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 10: Developer Drive . . . . . . . . . . . . . . . . . . . . . Assembly 11: Hot Roll Fuser . . . . . . . . . . . . . . . . . . . . . . Assembly 12: Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 13: Charging . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 14: Electronics 1 . . . . . . . . . . . . . . . . . . . . . . . Assembly 15: Electronics II . . . . . . . . . . . . . . . . . . . . . . . Assembly 16: Electronics III . . . . . . . . . . . . . . . . . . . . . . . Assembly 17: Electronics IV . . . . . . . . . . . . . . . . . . . . . . . Assembly 18: Electronics V . . . . . . . . . . . . . . . . . . . . . . . Assembly 19: Electronics VI . . . . . . . . . . . . . . . . . . . . . . . Assembly 20: 250-Sheet Tray . . . . . . . . . . . . . . . . . . . . . Assembly 21: Integrated Paper Tray - 250 Sheet . . . . . . Assembly 22: 500-Sheet Tray . . . . . . . . . . . . . . . . . . . . . Assembly 23: Duplex Unit . . . . . . . . . . . . . . . . . . . . . . . . Assembly 24: Envelope Feeder . . . . . . . . . . . . . . . . . . . . Assembly 25: High-Capacity Feeder . . . . . . . . . . . . . . . . Assembly 26: Kiosk - Vertical Paper Adapter. . . . . . . . . . Assembly 27: Kiosk - Horizontal Paper Adapter. . . . . . . . Assembly 28: Options . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 29: Miscellaneous . . . . . . . . . . . . . . . . . . . . . . 7-20 7-22 7-24 7-26 7-28 7-30 7-34 7-36 7-38 7-40 7-42 7-44 7-48 7-50 7-54 7-60 7-62 7-72 7-74 7-76 7-78
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1
Contents vii
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Notices and Safety Information Laser Notices
The following laser notice labels may be affixed to this printer as shown:
Laser Advisory Label
Notices and Safety Information ix
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Class 1 Laser Statement Label
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Laser Notice
The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825. Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) laser that is nominally a 5 milliwatt gallium arsenide laser operating in the wavelength region of 770-795 nanometers. The laser system and printer are designed so there is never any human access to laser radiation above a Class I level during normal operation, user maintenance, or prescribed service condition.
Laser
Der Drucker erfüllt gemäß amtlicher Bestätigung der USA die Anforderungen der Bestimmung DHHS (Department of Health and Human Services) 21 CFR Teil J für Laserprodukte der Klasse I (1). In anderen Ländern gilt der Drucker als Laserprodukt der Klasse I, der die Anforderungen der IEC (International Electrotechnical Commission) 60825 gemäß amtlicher Bestätigung erfüllt. Laserprodukte der Klasse I gelten als unschädlich. Im Inneren des Druckers befindet sich ein Laser der Klasse IIIb (3b), bei dem es sich um einen Galliumarsenlaser mit 5 Milliwatt handelt, der Wellen der Länge 770-795 Nanometer ausstrahlt. Das Lasersystem und der Drucker sind so konzipiert, daß im Normalbetrieb, bei der Wartung durch den Benutzer oder bei ordnungsgemäßer Wartung durch den Kundendienst Laserbestrahlung, die die Klasse I übersteigen würde, Menschen keinesfalls erreicht.
Notices and Safety Information xi
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Avis relatif à l'utilisation de laser
Pour les Etats-Unis : cette imprimante est certifiée conforme aux provisions DHHS 21 CFR alinéa J concernant les produits laser de Classe I (1). Pour les autres pays : cette imprimante répond aux normes IEC 60825 relatives aux produits laser de Classe I. Les produits laser de Classe I sont considérés comme des produits non dangereux. Cette imprimante est équipée d'un laser de Classe IIIb (3b) (arséniure de gallium d'une puissance nominale de 5 milliwatts) émettant sur des longueurs d'onde comprises entre 770 et 795 nanomètres. L'imprimante et son système laser sont conçus pour impossible, dans des conditions normales d'utilisation, d'entretien par l'utilisateur ou de révision, l'exposition à des rayonnements laser supérieurs à des rayonnements de Classe I .
Avvertenze sui prodotti laser
Questa stampante è certificata negli Stati Uniti per essere conforme ai requisiti del DHHS 21 CFR Sottocapitolo J per i prodotti laser di classe 1 ed è certificata negli altri Paesi come prodotto laser di classe 1 conforme ai requisiti della norma CEI 60825. I prodotti laser di classe non sono considerati pericolosi. La stampante contiene al suo interno un laser di classe IIIb (3b) all'arseniuro di gallio della potenza di 5mW che opera sulla lunghezza d'onda compresa tra 770 e 795 nanometri. Il sistema laser e la stampante sono stati progettati in modo tale che le persone a contatto con la stampante, durante il normale funzionamento, le operazioni di servizio o quelle di assistenza tecnica, non ricevano radiazioni laser superiori al livello della classe 1.
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Avisos sobre el láser
Se certifica que, en los EE.UU., esta impresora cumple los requisitos para los productos láser de Clase I (1) establecidos en el subcapítulo J de la norma CFR 21 del DHHS (Departamento de Sanidad y Servicios) y, en los demás países, reúne todas las condiciones expuestas en la norma IEC 60825 para productos láser de Clase I (1). Los productos láser de Clase I no se consideran peligrosos. La impresora contiene en su interior un láser de Clase IIIb (3b) de arseniuro de galio de funcionamiento nominal a 5 milivatios en una longitud de onda de 770 a 795 nanómetros. El sistema láser y la impresora están diseñados de forma que ninguna persona pueda verse afectada por ningún tipo de radiación láser superior al nivel de la Clase I durante su uso normal, el mantenimiento realizado por el usuario o cualquier otra situación de servicio técnico.
Declaração sobre Laser
A impressora está certificada nos E.U.A. em conformidade com os requisitos da regulamentação DHHS 21 CFR Subcapítulo J para a Classe I (1) de produtos laser. Em outros locais, está certificada como um produto laser da Classe I, em conformidade com os requisitos da norma IEC 60825. Os produtos laser da Classe I não são considerados perigosos. Internamente, a impressora contém um produto laser da Classe IIIb (3b), designado laser de arseneto de potássio, de 5 milliwatts ,operando numa faixa de comprimento de onda entre 770 e 795 nanómetros. O sistema e a impressora laser foram concebidos de forma a nunca existir qualquer possiblidade de acesso humano a radiação laser superior a um nível de Classe I durante a operação normal, a manutenção feita pelo utilizador ou condições de assistência prescritas.
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Laserinformatie
De printer voldoet aan de eisen die gesteld worden aan een laserprodukt van klasse I. Voor de Verenigde Staten zijn deze eisen vastgelegd in DHHS 21 CFR Subchapter J, voor andere landen in IEC 60825. Laserprodukten van klasse I worden niet als ongevaarlijk aangemerkt. De printer is voorzien van een laser van klasse IIIb (3b), dat wil zeggen een gallium arsenide-laser van 5 milliwatt met een golflengte van 770-795 nanometer. Het lasergedeelte en de printer zijn zo ontworpen dat bij normaal gebruik, bij onderhoud of reparatie conform de voorschriften, nooit blootstelling mogelijk is aan laserstraling boven een niveau zoals voorgeschreven is voor klasse 1.
Lasermeddelelse
Printeren er godkendt som et Klasse I-laserprodukt, i overenstemmelse med kravene i IEC 60825. Klasse I-laserprodukter betragtes ikke som farlige. Printeren indeholder internt en Klasse IIIB (3b)-laser, der nominelt er en 5 milliwatt galliumarsenid laser, som arbejder på bølgelængdeområdet 770-795 nanometer. Lasersystemet og printeren er udformet således, at mennesker aldrig udsættes for en laserstråling over Klasse I-niveau ved normal drift, brugervedligeholdelse eller obligatoriske servicebetingelser.
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Huomautus laserlaitteesta
Tämä kirjoitin on Yhdysvalloissa luokan I (1) laserlaitteiden DHHS 21 CFR Subchapter J -määrityksen mukainen ja muualla luokan I laserlaitteiden IEC 60825 -määrityksen mukainen. Luokan I laserlaitteiden ei katsota olevan vaarallisia käyttäjälle. Kirjoittimessa on sisäinen luokan IIIb (3b) 5 milliwatin galliumarsenidilaser, joka toimii aaltoalueella 770 - 795 nanometriä. Laserjärjestelmä ja kirjoitin on suunniteltu siten, että käyttäjä ei altistu luokan I määrityksiä voimakkaammalle säteilylle kirjoittimen normaalin toiminnan, käyttäjän tekemien huoltotoimien tai muiden huoltotoimien yhteydessä. VARO! Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle. Älä katso säteeseen. VARNING! Osynlig laserstrålning när denna del är öppnad och spärren är urkopplad. Betrakta ej strålen.
Laser-notis
Denna skrivare är i USA certifierad att motsvara kraven i DHHS 21 CFR, underparagraf J för laserprodukter av Klass I (1). I andra länder uppfyller skrivaren kraven för laserprodukter av Klass I enligt kraven i IEC 60825. Laserprodukter i Klass I anses ej hälsovådliga. Skrivaren har en inbyggd laser av Klass IIIb (3b) som består av en laserenhet av gallium-arsenid på 5 milliwatt som arbetar i våglängdsområdet 770795 nanometer. Lasersystemet och skrivaren är utformade så att det aldrig finns risk för att någon person utsätts för laserstrålning över Klass I-nivå vid normal användning, underhåll som utförs av användaren eller annan föreskriven serviceåtgärd.
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Laser-melding
Skriveren er godkjent i USA etter kravene i DHHS 21 CFR, underkapittel J, for klasse I (1) laserprodukter, og er i andre land godkjent som et Klasse I-laserprodukt i samsvar med kravene i IEC 60825. Klasse I-laserprodukter er ikke å betrakte som farlige. Skriveren inneholder internt en klasse IIIb (3b)-laser, som består av en gallium-arsenlaserenhet som avgir stråling i bølgelengdeområdet 770-795 nanometer. Lasersystemet og skriveren er utformet slik at personer aldri utsettes for laserstråling ut over klasse I-nivå under vanlig bruk, vedlikehold som utføres av brukeren, eller foreskrevne serviceoperasjoner.
Avís sobre el Làser
Segons ha estat certificat als Estats Units, aquesta impressora compleix els requisits de DHHS 21 CFR, apartat J, pels productes làser de classe I (1), i segons ha estat certificat en altres llocs, és un producte làser de classe I que compleix els requisits d'IEC 60825. Els productes làser de classe I no es consideren perillosos. Aquesta impressora conté un làser de classe IIIb (3b) d'arseniür de gal.li, nominalment de 5 mil.liwats, i funciona a la regió de longitud d'ona de 770-795 nanòmetres. El sistema làser i la impressora han sigut concebuts de manera que mai hi hagi exposició a la radiació làser per sobre d'un nivell de classe I durant una operació normal, durant les tasques de manteniment d'usuari ni durant els serveis que satisfacin les condicions prescrites.
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Japanese Laser Notice
Chinese Laser Notice
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Korean Laser Notice
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 personal injury during disassembly and servicing of this product. Professional service personnel should understand this and take necessary precautions.
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Consignes de Sécurité ·
Ce produit a été conçu, testé et approuvé pour respecter les normes strictes de sécurité globale lors de l'utilisation de composants Lexmark spécifiques. Les caractéristiques de sécurité de certains éléments ne sont pas toujours évidentes. Lexmark ne peut être tenu responsable de l'utilisation d'autres pièces de rechange. Les consignes d'entretien et de réparation de ce produit s'adressent uniquement à un personnel de maintenance qualifié. Le démontage et l'entretien de ce produit pouvant présenter certains risques électriques, le personnel d'entretien qualifié devra prendre toutes les précautions nécessaires.
· ·
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 lo smontaggio e la manutenzione di questo prodotto, il rischio di subire scosse elettriche e danni alla persona è più elevato. Il personale di assistenza autorizzato, deve, quindi, adottare le precauzioni necessarie.
· ·
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Sicherheitshinweise ·
Dieses Produkt und die zugehörigen Komponenten wurden entworfen und getestet, um beim Einsatz die weltweit gültigen Sicherheitsanforderungen zu erfüllen. Die sicherheitsrelevanten Funktionen der Bauteile und Optionen sind nicht immer offensichtlich. Sofern Teile eingesetzt werden, die nicht von Lexmark sind, wird von Lexmark keinerlei Verantwortung oder Haftung für dieses Produkt übernommen. Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung durch einen Wartungsfachmann bestimmt. Während des Auseinandernehmens und der Wartung des Geräts besteht ein zusätzliches Risiko eines elektrischen Schlags und körperlicher Verletzung. Das zuständige Fachpersonal sollte entsprechende Vorsichtsmaßnahmen treffen.
· ·
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 riesgo de descarga eléctrica y de daños personales durante el desmontaje y la reparación de la máquina. El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias.
· ·
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Informações de Segurança ·
Este produto foi concebido, testado e aprovado para satisfazer os padrões globais de segurança na utilização de componentes específicos da Lexmark. As funções de segurança de alguns dos componentes podem não ser sempre óbvias. A Lexmark não é responsável pela utilização de outros componentes de substituição. As informações de segurança relativas a este produto destinam-se a profissionais destes serviços e não devem ser utilizadas por outras pessoas. Risco de choques eléctricos e ferimentos graves durante a desmontagem e manutenção deste produto. Os profissionais destes serviços devem estar avisados deste facto e tomar os cuidados necessários.
· ·
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 sigui. El risc de xoc elèctric i de danys personals pot augmentar durant el procés de desmuntatge i de servei d'aquest producte. El personal professional ha d'estar-ne assabentat i prendre les mesures convenients.
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Chinese Safety Information
Korean Safety Information
Ozone Information
This product does not produce measurable amounts of ozone gas.
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Preface
This manual is divided into the following chapters:
·
·
· · · · ·
"General Information" contains a general description of the printer, options, and the maintenance approach used to repair it. General environmental and safety instructions as well as special tools and test equipment are listed in this chapter. "Diagnostic Information" contains a service error code table, user status message table, user error message table, symptom table, and service checks used to isolate failing field replaceable units (FRUs). "Diagnostic Aids" contains tests and checks used to locate or repeat symptoms of printer problems. Printer operation information is provided to enhance the tests and checks. "Repair Information" provides instructions for making printer adjustments and removing and installing FRUs. "Connector Locations" uses illustrations to identify the major components and test points on the printer. "Preventive Maintenance" contains safety inspection guidelines, lubrication specifications, and maintenance information to prevent problems and maintain performance. "Parts Catalog" contains illustrations and part numbers for individual FRUs.
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1. General Information
The LexmarkTM T laser printers are letter quality page printers designed to attach to IBM-compatible personal computers and to most computer networks. The Lexmark T laser printers are available in the following models:
Model Name Lexmark T522 Lexmark T522n Lexmark T520 Lexmark T520n Type 4520-210 Non network 4520-220 Network 4520-001 Non network 4520-002 Network
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Options
The following options are available. Some options are not available in every country. Contact your point of purchase for options available in your country. Memory options of 4MB, 8MB, 16MB, 32MB, 64MB and 128MB SDRAM Flash memory options of 2MB, 4MB, 8MB and 16MB Integrated network options Token-Ring Ethernet Tri-Port Adapter IR Adapter IPDS Card Assembly PRESCRIBE Card Assembly Image QuickCard Assembly Bar code Card Assembly Parallel Interface Card SES for SCS USB/Parallel Port Marknet Print Servers 250 and 500-sheet paper trays of A5, letter, and legal size. 250 Sheet UAT (Universally Adjustable Tray) 400 Sheet UAT (Universally Adjustable Tray) 2000 Sheet High Capacity Feeder Envelope Feeder Duplex Unit - 250 Sheet (For T520 & T520n) Duplex Unit - 500 Sheet (For T522 & T522n) Hard Disk - 5.0 & GB Forms Hard Disk - 5.0 & GB or Larger Vertical Kiosk Presenter Horizontal Kiosk Presenter
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Maintenance Approach
The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the service error codes, user status messages, user error messages, service checks, and diagnostic aids to determine the printer problem and repair the failure. After you complete the repair, perform tests as needed to verify the repair.
Tools Required for Service
Flat-blade screwdriver #1 Phillips screwdriver #2 Phillips screwdriver T10 Torx screwdriver 7.0 mm nut driver 5.5 mm wrench Needlenose pliers Diagonal pliers Spring hook Feeler gauges Analog or digital multimeter Parallel wrap plug 1319128 Serial wrap plug 1329048 Twinax/serial debug cable 1381963 Coax/serial debug cable 1381964
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Acronyms
CSU DRAM EDO EP EPROM ESD FRU GB HVPS LASER LCD LED LVPS MROM NVRAM OEM PC POR POST RIP ROM SDRAM SRAM UPR V ac V dc Customer Setup Dynamic Random Access Memory Enhanced Data Out Electrophotographic Process Erasable, Programmable Read-Only Memory Electrostatic Discharge Field Replaceable Unit Gigabyte High Voltage Power Supply Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Low Voltage Power Supply Masked Read Only Memory Nonvolatile Random Access Memory Original Equipment Manufacturer Photoconductor Power-On Reset Power-On Self Test Raster Imaging Processor Read Only Memory Synchronous Dual Random Access Memory Static Random Access Memory Used Parts Return Volts alternating current Volts direct current
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2. Diagnostic Information Start
CAUTION: Remove the power cord from the printer or wall outlet before you connect or disconnect any cable or electronic board or assembly for personal safety and to prevent damage to the printer. Use the handholds on the side of the printer. Make sure your fingers are not under the printer when you lift or set the printer down. Use the service error code, user status message, user error message, symptom table, service checks, and diagnostic aids in this chapter to determine the corrective action necessary to repair a malfunctioning printer. Service error codes are indicated by a three-digit error code. If a service error code is displayed, go to the "Service Error Codes" on page 2-2. User status messages provide the user with information on the current status of the printer. Ready is displayed on the first line of the display unless Power Saver is invoked, and then Power Saver is displayed. If a user status message is displayed, go to the "User Status Messages" on page 2-22. User error messages are indicated by a two or three-digit error code that provides the user with information that explains a problem with a print cartridge, paper jam, option, port, and so on. If a user error message is displayed, go to the "User Error Messages" on page 2-25. If your machine completes the "Power-On Self Test (POST)" on page 2-35 without an error, and you have a symptom, go to the "Symptom Tables" on page 2-36. Locate your symptom and take the appropriate action. If a service error code appears while you are working on the machine, go to the "Service Error Codes" on page 2-2 and take the indicated action for that error.
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Service Error Codes
Service Error Codes are generally non-recoverable except in an intermittent condition when you can POR the printer to temporarily recover from the error condition.
Error Code 900 RIP Software 901 Engine Flash 902 General Engine Software 903 Paperport Link Driver Error 904 Interface Violation by the controller software 905 Interface Violation by Paperport Device 906 ControllerEngine Link Driver Error 910 DC Pick Motor DC Pick Motor Stall 911 DC Pick Motor Excessive PWM 912 DC Pick Motor below speed 913 DC Pick Motor over speed Error Codes 910,911,912,913 and 914 are indications that a Tray 1 paper feed problem has been detected. Go to the "Input Tray(s) Service Check" on page 2-62. Action Contact the next support level or call Lexmark. Indicates that the flash which the engine board code is programmed into is bad. Replace the engine board. These errors indicate an unrecoverable engine software error. Replace the engine board.
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Error Code 914 DC Pick Motor: No encoder feedback 917 Transfer Roll 920 Fuser Error 921 Fuser Error Action Check the integrated paper tray (tray 1) for correct paper loading. Reload the paper and POR the printer. If the error continues, go to the "Input Tray(s) Service Check" on page 2-62. Indicates a problem in the transfer roll area. Go to the "Transfer Roll Service Check" on page 2-103. Indicates that the fuser is below temperature when printing. Go to the "Fuser Service Check" on page 2-56. Indicates that the fuser is below standby temperature when the printer is idle. Go to the "Fuser Service Check" on page 2-56. Fuser failed to reach standby temperature. Go to the "Fuser Service Check" on page 2-56. Fuser is too hot during printing or when printer is idle. Go to the "Fuser Service Check" on page 2-56. An open circuit has been detected in the Fuser Thermistor Circuit. Go to the "Fuser Service Check" on page 2-56. Wrong fuser lamp installed. Check the fuser lamp for the correct type of lamp that should be installed. If the correct fuser lamp is installed and the 925 error remains, the fuser may have reached standby temperature too quickly. Check the following: · The correct hot roll has been installed. · The line voltage is not exceeding the maximum rating for the printer. 929 Toner Sensor The toner sensor is not operating properly, the developer drive assembly is not operating properly or the print cartridge is defective. Go to the "Toner Sensor Service Check" on page 2-102. The wrong printhead is installed. Replace with the correct printhead.
922 Fuser Error 923 Fuser Error 924 Fuser Error
925 Fuser Error
930 Printhead Error
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Error Code 931-935 Printhead Error 932 - Printhead: Lost Hsync 933 - Mirror Motor Locks/Lost Hsync 934 - Mirror Motor Lost Lock 935 - Mirror Motor unable to reach operating speed. 936-937 Transport Motor 936 - Main Drive Motor initial lock failure 937 - Main Drive Motor lost lock 939 Controller Engine Communications Error The controller board and the engine board cannot communicate with one another. The controller board, engine board or interconnect board is defective. Check each board for correct installation and secure ground. If no problem is found, replace the FRUs in the following order: 1. Controller board 2. Engine board 3. Interconnect board Note: The controller software also can cause a 939 error code. Contact your next level for software support. Indicates a problem with the main drive motor. Go to the "Main Drive Service Check" on page 2-77. Action These errors represent a problem with the printhead. Go to the "Printhead Service Check" on page 2-87.
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Error Code 940 Service LV Power Supply Action The low voltage power supply zero crossover test failed. · Check the LVPS for correct installation. Ensure that the connector on the LVPS assembly is firmly seated with the connector on the interconnect card connector. This error may also be caused by a noisy AC input power source. · Be sure the correct LVPS has been installed. · If all the above are correct, replace the LVPS assembly. 941 Controller Code CRC A 941 error can be created by a defective code overlay card, a code upgrade, a defective IPDS or a PRESCRIBE card. These should be checked before replacing the controller board. Replace the controller board. Indicates that the controller code and FONT ROM are incompatible. Replace the controller board. Replace the controller board.
941 Controller Font CRC 943 Controller Font Version 944 Controller Board Failure 945 Controller Board Failure ASIC Failure 946 Controller Board Failure SRAM Failure 947 PQET Error 948 PEL Clock Error 949 Delay Line Calibration Failure 953 NVRAM Failure 954 NVRAM Failure
Replace the controller board.
Replace the engine board. Indicates the PEL clock check failed. Replace the engine board. Indicates a delay line calibration failure. Replace the engine board. Indicates the NVRAM chip on the engine board has failed. Replace the engine board. Indicates the NVRAM experienced a CRC failure. Replace the engine board.
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Error Code 956, 957, 959 System Board Action Error codes 956 thru 959 are system board failures. Perform a power on reset (POR). If this does not fix the problem, replace the system board. *956 = Processor Failure *957 = ASIC Failure *959 = SRAM Failure 958 NAND Failure Before proceeding when a 958 NAND failure is displayed, perform a power on reset (POR) to see if the ECC error correction code can reflash NAND. If this does not fix the problem, replace the system board. 960 RAM Memory Error 961 RAM in Slot 1 is Bad. 962 RAM in Slot 2 is Bad. 963 RAM in slot 3 is Bad. 964 Emulation Error 965 Emulation Error Indicates a DRAM Memory Error on the controller board. Replace the controller board. Replace the card in Slot 1. If this does not fix the problem, replace the controller board. Replace the card in Slot 2. If this does not fix the problem, replace the controller board. Replace the card in slot 3. If this does not fix the problem, replace the controller board. Indicates a failure within the Download Emulation which is programmed into the code overlay card. The specific error is as follows: 964 - Download Emulation CRC Failure. Checksum Failure. 965 - Download Emulation Outdated, The Download Emulation and the controller code are incompatible. Go to the "Disabling Download Emulations" on page 3-5.
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Error Code 975 - 979 Network Card X Action The following errors indicate a failure with the network card in the specified slot. X=any card installed in slots 1,2 or 3. 975 - Unrecognizable Network Card x. Replace Network Card x. 976 - Unrecoverable software error in Network Card x. 977 - Controller software detects that a Network Card is installed in slot x but cannot establish communications with it. 978 - Bad checksum while programming Network Card x. Replace Network Card x. 979 - Flash parts failed while programming Network Card x. If the printer is a network model, replace the controller board. The engine is experiencing unreliable communications to the specified device. The engine protocol violation detected by the specified device. Communications error detected by the specified device. Invalid command received by the specified device. Invalid command parameter received by the specified device. Note: Service Errors 980 thru 984 can be one of the following: engine board, duplex, tray x (1,2,3,4 or 5), envelope feeder or output bin. 990 Indicates an equipment check condition has occurred in the specified device, but the device is unable to identify the exact component failure. Note: can be one of the following: duplex, tray x (1,2,3,4 or 5), envelope feeder or output bin. 991 Card The specified device has detected an equipment check in its system card. Note: can be one of the following: duplex, tray x(1,2,3,4 or 5), envelope feeder or output bin.
980 Comm 981 982 Comm 983 984
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Sub Error Codes for 9XX and 2XX Error Codes
The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. When a 9XX or 2XX error displays, press and hold Return and press Select to enter for sub error codes. The following is an example of how the printer shows a duplex unit sub error code.
Byte 1 DU DU XX XX Byte 5 Byte 2 XX XX Byte 6 Byte 3 XX XX Byte 7 Byte 4 XX XX Byte 8
Sub Error Codes for 9XX and 2XX Error Codes The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. When a 9XX or 2XX error displays: 1. Press and hold Return and press Select to enter for sub error codes. 2. The first screen of information is displayed. Write down the information. 3. Continue pressing Return and Select until each screen of information is obtained. 4. When the last screen displays, the original message displays. The following is an example of how the printer shows a duplex unit sub error code.
Byte 1 DU DU XX XX Byte 5 Byte 2 XX XX Byte 6 Byte 3 XX XX Byte 7 Byte 4 XX XX Byte 8
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4520-xxx Base Printer Sub Error Codes Each status byte has a different level of troubleshooting value for each area of the printer. The following table displays up to 8 status bytes of data. Some or all of these bytes may be used to help diagnose a printer problem. These status bytes are designed to help isolate paper jams and paper feed problems in the base printer Legend for Tray Source: x=10 (MPT), x-11 (Tray 1), x=12, (Tray 2), x=13 (Tray 3), x-14 (Tray 4), x=15 (Tray 5), x=31 (Env Feeder), X=40 (Manual) Legend for Stacker Destination: x=91 (Stacker 1), x=92 (Stacker 2), x-93 (Stacker 3) Legend for media size: x=1 (letter), x=2 (legal), x=3 (B5), x=4 (A4), x=5 (Executive), x=6 (A5), x=7 (Custom), x=9 (73/4 Env), A-#9 Env, B-#10 Env, C=8.661" Env, D=C5 Env, E=B5 Env, F=Legal Env.
First 6 Bytes Sub Error Code Data - Note: xx can be any value. 84 xx 00 x1 x2
Explanation
This code indicates that the input sensor in the printer is still actuated from the first sheet and the second sheet is ready to arrive at the sensor. (x1=media size, x2=media source) *Check the printer input sensor and flag for correct operation. The flag should operate freely. *Check for any signs of debris in the area of the input sensor. *Check the area of the transfer plate and input to the fuser for anything that might cause the paper to remain over the input sensor. Video never started on the page. (x-1=media size) *The video signal never started within 2 inches after actuating the input sensor. Check input sensor and flag.
84 xx 01 x1
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First 6 Bytes Sub Error Code Data - Note: xx can be any value. 84 xx 02 x1
Explanation
This error is the most common type of paper jam. Possible causes are (x1=media size): *Multi sheet feeding. *A tray size sensing problem. *The media feeding from the paper source is slipping or media is slipping in input to the printer. The input sensor was covered during POST by a piece of media still in the machine when it was turned on. *Clear the media from the printer. *Run the base sensor test (input sensor) from the diagnostic tests menu to test the input sensor and flag for correct operation. There was a media at the input sensor too early. There was not enough time between printhead start and the printhead mirror motor to lock. Possible causes for this error are: *Paper might be pre-staged in the paper source tray. *Paper is picking too fast. *A defective input sensor. A paper jam has been declared by a smart device. Immediate stop homing not allowed. A paper jam has been declared by a smart device. Homing was allowed before the stop. The option tray pass thru sensor was never actuated by a piece of media. (x-1=media size) (x-2=media source) (x3=paper source where paper jam was detected) *Run the sensor test for the option tray that is displaying the error code and check the pass thru sensor for that tray for correct operation. *Check for paper picking from the selected paper input source. *If the error is being detected from a lower paper source, see if paper is feeding correctly from a paper source above the detected source.
84 xx 04
84 xx 05
84 00 06 84 00 07 84 xx 0B x1 x2 x3
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First 6 Bytes Sub Error Code Data - Note: xx can be any value. 84 xx 0f x1 x2 x3
Explanation
The option Tray pass thru sensor was never deactivated. (x-1=media size) (x-2=media source) (x-3=media source where paper jam was detected) *Check the pass thru sensor and flag for correct operation. *Check to see if paper has cleared the pass thru area of the option where the paper jam occurred. The main motor ID failed to identify either motor after two tries. Possible causes for this error are: *The main drive motor has stalled. *An incorrect main drive motor/gearbox assembly has been installed. There is an envelope or envelopes in the envelope feeder during warm-up. An envelope may have partially fed from the envelope feeder. *Remove any envelopes from the feeder and check the envelope feeder for correct operation. There is media over the Tray 2 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 2 and see if Tray 2 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray. There is media over the Tray 3 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 3 and see if Tray 3 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray.
84 00 10
84 xx 17
84 xx 18
84 xx 19
Diagnostic Information 2-11
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value. 84 xx 1A
Explanation
There is media over the Tray 4 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 4 and see if Tray 4 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray. There is media over the Tray 5 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 5 and see if Tray 5 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray. There is media over the Tray 6 pass thru sensor during warmup. Check for media over the sensor. If no media is present, check the pass thru sensor, flag, and cables. *Try running the Input Tray Tests for Tray 6 and see if Tray 6 is feeding paper correctly and all the sensors are working correctly. *Check to make sure the paper size setting is correct for the size paper in the tray. The envelope feeder pass thru sensor never deactivated. The display of this code indicates that an envelope never crossed over the sensor flag and passed beyond the sensor, or the flag and sensor are not operating properly. Go to the "Envelope Feeder Service Check" on page 2-48. The envelope feeder pass thru sensor was never activated. (x1=Media Size, x2=Media Source) Ensure that envelopes are feeding over the sensor. If an envelope feeds over the sensor but the sensor does not activate, check the sensor and flag for correct operation. If the sensor and flag are operating correctly, go to the "Envelope Feeder Service Check" on page 2-48.
84 xx 1B
84 xx 1C
84 xx 1D
84 xx 1E x1 x2
2-12 Service Manual
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value. 84 xx 20 x1 x2
Explanation
The imaged page is not the expected page. (x1=Media Size, x2=Media Source) Check the pass thru sensor to make sure it is operating properly. If no problem is found, it may be necessary to try a new pass thru sensor.
84 xx 21 x1 x2
The smart tray x did not pick a sheet of paper. (x1=Media Size, x2=Media Source) Check tray x auto compensator and tray parts for correct operation. If no problem is found, go to the "Input Tray(s) Service Check" on page 2-62.
84 xx 22 x1 x2
This code indicates that the media activated the input sensor before the printer EP was ready. (x1=Leading Edge of Media State, x2=Trailing Edge of Media State) The transfer servo never started. (x1=Media Size, x2=Leading Edge of Media State) This code indicates that the media has activated the input sensor before the printhead has locked. Enough time has elapsed since printhead start to expect a lock. One of the following may be failing: *Printhead Assembly *System Board *Printhead Cables This code indicates that media has activated the input sensor; however, the printhead fell out of lock condition or not enough time elapsed since the printhead start to expect a stable lock. The media may have also reached the input sensor early.
84 xx 23 x1 x2 84 xx 25
84 xx 26
Diagnostic Information 2-13
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value. 89 00 01
Explanation
The exit sensor in the fuser is activated by a piece of media indicating there is a piece of media in the machine during POST. *Check for media in the exit of the fuser assembly or redrive assembly. Feed a sheet of paper, and if the same error occurs after clearing the fuser or the same error occurs when no media is present, check the exit sensor assembly, internal fuser assembly cabling, DC fuser cable to the system board, and the cable connection to J14 on the system board. TIP: Turn the printer off, enter the diagnostic tests menu, and select the base sensor test. Select output sensor and check the sensor for correct operation.
89 xx 03
The fuser exit sensor did not detect the trailing edge of the media going through the fuser assembly. *This failure can be caused by a broken fuser exit sensor flag. *This may also be caused by erratic operation of exit sensor flag or exit sensor or a defective piece of media. The fuser exit sensor never actuated from the sheet going through the fuser before the next page begins feeding. (x-1=Media Size) The narrow media sensor in the fuser was covered by a sheet of paper when not expected or a piece of media is in the machine during POST. *This error can occur when a 202 paper jam has occurred. *Remove any piece of media that is over the narrow media sensor. *Try to feed a piece of paper through the printer (could run the print test from the diagnostic test menu). If the media stops over the narrow media sensor again, check the flag and sensor for correct operation. The fuser exit sensor may be bouncing. *This error can be caused by a failing exit sensor or system board.
89 xx 04 x1
89 xx 07
89 xx 0B x1
2-14 Service Manual
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value. 89 xx 0D
Explanation
The fuser exit sensor bounced. Check the exit sensor for correct operation. Check the fuser DC cable to J14 on the system board. Also, the system board may be failing. The fuser exit sensor was never activated by the leading edge of the media fed through the printer. *This error can be displayed after a 201 paper jam. *This can be caused by a defective fuser exit sensor assembly. Enter the diagnostic tests menu, select base sensor tests, select output sensor test and check the fuser exit sensor for correct operation. If the test fails, check the internal fuser cabling, DC autoconnect on the fuser frame, fuser DC autoconnect to the system board cable, and the cable connection to J14 on the system board.
8D 00 00
8E xx 02 x1 x2
This error can be caused by the input sensor not being activated by a page that was known to have been picked by a source other than the duplex option. *Ensure the correct source has been selected and the media is feeding from that source. The second pick failed from a paper source when paper was in the source and the only sheet in the paper path. The second pick failed from a paper source when paper was in the source. Other sheets may have started to feed, but none were in the paper path. The paper in the output bin was flushed. The paper ahead of it, in the paper path, never made it past the output bin sensor or into the tray. The second pick from the MPT, Tray 1 or feeder failed when paper was in the source. Other sheets may be in the paper path. (x1=Media Source) The second pick from the MPT, Tray 1 or feeder failed when paper was in the source. Other sheets may have started to pick, but none were in the paper path. x1=Media Source)
8E xx 06 x1 8E xx 07 x1
8E xx 08
8E xx 09 x1
8E xx 0A x1
Diagnostic Information 2-15
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value. 8E x1 0B 8E xx 11 8E xx 13 x1 x2
Explanation
The DC auto compensator failed or stalled when trying to feed a sheet of media. It took too long for the DC auto compensator motor to come up to speed. Late feeding from a paper source interfered with the next pick retry. (x-1=Media Size)(x-2=Media Source)
2-16 Service Manual
4520-xxx Base Printer (Fuser) Sub Error Codes The following Sub Error Codes could be a help in diagnosing Fuser Assembly failures:
First 6 Bytes Sub Error Code Data - Note: xx can be any value
Explanation
920 Service - Fuser Error (Under temperature while printing) EN 08 xx yy -1 EN- zz - - 2 xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. When zz=00 The Hot Roll took too long to heat up. zz=01 The Hot Roll fell too far below the desired temperature while printing. zz=02 The Hot Roll was too cool while the system was doing some checking. zz=03 The Hot Roll was too cool when heating to the desired temperature.
921 Service - Fuser Error (Fuser under temperature while at standby) EN 41 xx yy -- 1 EN -- zz -- -2 xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. zz=00 The fuser temperature did not change enough from the fuser lamp temperature at turn on. 01 The fuser temperature rose more than desired from the fuser temperature at turn on.
922 Service - Fuser Error (Fuser failed to reach standby temperature)
Diagnostic Information 2-17
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value EN 42 xx yy -- 1 EN z1 z2 -- -2
Explanation
xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. zz=00 The fuser temperature did not change enough from the fuser lamp temperature at turn on. 01 The fuser temperature rose more than desired from the fuser temperature at turn on. z2=00 The Hot Roll did not reach standby temperature in time during standby. 01 The Hot Roll took too long to reach the beginning lamp detection temperature. 02 The Hot Roll reached `final lamp detection temperature' but took longer than expected. 03 The Hot Roll timed out trying to reach the `final lamp detection temperature.' 04 After Hot Roll lamp detection, did not reach steady state control in time. 05 The Hot Roll did not reach operating temperature in time.
923 Service - Fuser Error (Fuser over temperature) EN 12 xx yy -- 1 EN -- -- -- -2 This sub error code is displayed anytime that the Hot Roll has reached a higher than desired temperature. xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach.
924 Service - Fuser Error (Open Thermistor Failure) EN 18 xx -- -1 EN -- 00 -- -2 This code is usually generated when an open circuit check is made of the thermistor circuit in the fuser. xx=Actual Fuser Temperature
2-18 Service Manual
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value
Explanation
925 Service - Fuser Error (Wrong Fuser Lamp Installed) Note: The Sub Error Codes below are only for an incorrect lamp being installed. EN 07 xx yy zz 1 EN -- -- -- 2 This error code is generated anytime an incorrect lamp is detected. xx=00 Lamp detection performed and found an error. 01 It took long to do lamp detection and NVRAM detected a previous wrong lamp detected. yy=Actual Temperature zz=The temperature that the fuser was trying to reach.
Envelope Feeder Sub Error Codes
First 6 Bytes Sub Error Code Data - Note: xx can be any value 84 xx 17
Explanation
There is an envelope in the feeder during POST.
Diagnostic Information 2-19
4520-xxx
First 6 Bytes Sub Error Code Data - Note: xx can be any value 84 xx 1D x1 x2
Explanation
The envelope feeder pass thru sensor activated but never deactivated. (x1=Media Size)(x2=Media Source) This error can be caused by an envelope over the pass thru sensor. Remove the envelope and try to feed an envelope. If the envelope stops over the pass thru sensor, try the following: *Select the diagnostic test menu, select input tray sensor tests, select envelope feeder sensor test. *Check the envelope pass thru sensor to ensure it is operating correctly. If the sensor test fails, go to the "Envelope Feeder Service Check" on page 2-48. If the test passes, look for anything that might cause the envelope to stop over the sensor.
84 xx 1E x1 x2
An envelope never activated the envelope feeder pass thru sensor or the sensor never sensed the presence of an envelope. (x1=Media Size)(x2=Media Source) *Check to make sure the envelope feeds to the pass thru sensor. *Check to see if the envelope actuates the pass thru sensor flag.
2-20 Service Manual
4520-xxx
Duplex Unit Sub Error Codes Status byte 4 contains the most valuable information to help isolate a failing part or assembly in the duplex unit and is the only byte contained in the following table.
Status Byte 4 00 01 02 03 04
Explanation No duplex error. No problem was reported to the engine by the duplex system card. The leading edge of the sheet of paper never arrived at the input sensor. The duplex unit engine board never received media notification from the printer. The trailing edge of the sheet of paper never cleared the input sensor. The leading edge of the sheet of paper never arrived at the exit sensor. Note: This error is the most common due to the long length of the paper path between the input sensor and the exit sensor. The duplex logic thinks a sheet of paper is feeding to the duplex unit due to a sensor malfunction in the paper path when in fact the printer has not sent a command to send a sheet of paper to the duplex unit. The exit sensor detected a sheet of paper too early. The sheet of paper trailing edge did not clear the exit sensor in the desired length of time. The feed motor experienced a complete motor stall. The D.C. motor is under speed. The motor never reached the correct operating speed. There is paper left in the duplex unit. Paper was sensed during the homing operation during POST. There is paper left in the duplex unit. Paper was sensed during the D.C. motor diagnostic test during POST. The D.C. motor experienced an acceleration error. There is paper left in the duplex unit. Paper was sensed during IR clear during POST.
05
06 07 08 0E 13 15 18 3D
Diagnostic Information 2-21
4520-xxx
User Status Messages
User Status Message Ready Status The printer is ready to receive and process data. Action Press Menu to take the printer out of Ready and enter all the Menus except the TESTS MENU (Busy state). Press Menu to take the printer out of Ready and enter