Xerox DocuPrint N2025/N2825 Network Laser Printer Service Manual
Contents
1. 2 2000 6 41 2 2000 6 42 2 2000 6 43 2 2000 6 44 2 2000 6 45 2 2000 6 46 2 2000 6 47 2 2000 6 48 2 2000 6 49 2 2000 6 50 2 2000 6 51 2 2000 6 52 2 2000 Revision Page Revision 6 53 2 2000 6 54 2 2000 6 55 2 2000 6 56 2 2000 6 57 2 2000 6 58 2 2000 6 59 2 2000 6 60 2 2000 6 61 2 2000 6 62 2 2000 6 63 2 2000 6 64 2 2000 6 65 2 2000 6 66 2 2000 6 67 2 2000 6 68 2 2000 6 69 2 2000 6 70 2 2000 6 71 2 2000 6 72 2 2000 6 73 2 2000 6 74 2 2000 6 75 2 2000 6 76 2 2000 6 77 2 2000 6 78 2 2000 6 79 2 2000 6 80 2 2000 6 81 2 2000 6 82 2 2000 6 83 2 2000 6 84 2 2000 6 85 2 2000 6 86 2 2000 6 87 2 2000 6 88 2 2000 6 89 2 2000 6 90 2 2000 6 91 2 2000 6 92 2 2000 Page Revision 6 93 2 2000 6 94 2 2000 6 95 2 2000 6 96 2 2000 6 97 2 2000 6 98 2 2000 Padre ses 2 2000 ds 2 2000 7 3 2 2000 Te 2 2000 7 5 2 2000 7 6 2 2000 1 37 2 2000 7 8 2 2000 PQs ses 2 2000 7 10 2 2000 7 11 2 2000 7 12 2 2000 7 132. 2 2000 7 14 2 2000 7 15 2 2000 7 16 2 2000 7 17 2 2000 7 18 2 2000 7 19 2 2000 7 20 2 2000 7 21 2 2000 7 22 2 2000 7 23 2 2000 7 24 2 2000 7 25 2 2000 7 26 2 2000 7 27 2 2000 7 28 2 2000 7 29 2 2000 7 30 2 2000 7 31 2 2000 7 32 2 2000 7 33 2 2000 Revision 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 2 2000 Revision Control List DocuPrint N2025 N2825 Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision Initial Issue DocuPrint N2025 N2825 02 2000 X Revision Control List 1 Service Call Procedures 1 0 Introduction Mascot t ebat cde tied ue oci etes et vaidle eur dens 1 3 1 1 Machine Orientation 1 3 1 2 Gall EIQW eee e desires dee nin 1 4 1 3 Initial Actions 1 5 1 4 Corrective Actions 1 5 TS Final Actis 3 3 teer td eeepc SAD SAK e elites e ehe He e i t 1 8 Initial Issue 02 2000 Service Call Procedures DocuPrint N2025 N2825 1 1 1 0 Introduction The Service Call Procedures section is used to identify a suspected problem This section con tains Call Flow Initial Actions Corrective Actions and Final Actions Call Flow illustrates the normal activi
3. 2 2000 3 25 2 2000 4 33 2 2000 4 68 2 2000 viii 2 2000 2 23 2 2000 2 58 2 2000 3 26 2 2000 4 34 2 2000 4 69 2 2000 IX 2 2000 2 24 2 2000 2 59 2 2000 4 35 2 2000 4 70 2 2000 X 2 2000 2 25 2 2000 2 60 2 2000 4 1 2 2000 4 36 2 2000 4 71 2 2000 2 26 2 2000 2 61 2 2000 4 2 2 2000 4 37 2 2000 4 72 2 2000 1 1 2 2000 2 27 2 2000 2 62 2 2000 4 3 2 2000 4 38 2 2000 4 73 2 2000 1 2 2 2000 2 28 2 2000 2 63 2 2000 4 4 2 2000 4 39 2 2000 4 74 2 2000 1 3 2 2000 2 29 2 2000 2 64 2 2000 4 5 2 2000 4 40 2 2000 4 75 2 2000 1 4 2 2000 2 30 2 2000 2 65 2 2000 4 6 2 2000 4 41 2 2000 4 76 2 2000 1 5 2 2000 2 31 2 2000 2 66 2 2000 4 7 2 2000 4 42 2 2000 4 77 2 2000 1 6 2 2000 2 32 2 2000 4 8 2 2000 4 43 2 2000 4 78 2 2000 1 7 2 2000 2 33 2 2000 3 1 2 2000 4 9 2 2000 4 44 2 2000 4 79 2 2000 1 8 2 2000 2 34 2 2000 3 2 2 2000 4 10 2 2000 4 45 2 2000 4 80 2 2000 2 35 2 2000 3 3 2 2000 4 11 2 2000 4 46 2 2000 4 81 2 2000 2 1 2 2000 2 36 2 2000 3 4 2 2000 4 12 2 2000 4 47 2 2000 4 82
4. 2 2000 2 2 2 2000 2 37 2 2000 3 5 2 2000 4 13 2 2000 4 48 2 2000 4 83 2 2000 2 3 2 2000 2 38 2 2000 3 6 2 2000 4 14 2 2000 4 49 2 2000 4 84 2 2000 2 4 2 2000 2 39 2 2000 3 7 2 2000 4 15 2 2000 4 50 2 2000 4 85 2 2000 2 5 2 2000 2 40 2 2000 3 8 2 2000 4 16 2 2000 4 51 2 2000 4 86 2 2000 2 6 2 2000 2 41 2 2000 3 9 2 2000 4 17 2 2000 4 52 2 2000 4 87 2 2000 2 7 2 2000 2 42 2 2000 3 10 2 2000 4 18 2 2000 4 53 2 2000 4 88 2 2000 2 8 2 2000 2 43 2 2000 3 11 2 2000 4 19 2 2000 4 54 2 2000 4 89 2 2000 2 9 2 2000 2 44 2 2000 3 12 2 2000 4 20 2 2000 4 55 2 2000 4 90 2 2000 2 10 2 2000 2 45 2 2000 3 13 2 2000 4 21 2 2000 4 56 2 2000 4 91 2 2000 2 11 2 2000 2 46 2 2000 3 14 2 2000 4 22 2 2000 4 57 2 2000 4 92 2 2000 2 12 2 2000 2 47 2 2000 3 15 2 2000 4 23 2 2000 4 58 2 2000 4 93 2 2000 2 13 2 2000 2 48 2 2000 3 16 2 2000 4 24 2 2000 4 59 2 2000 4 94 2 2000 2 14 2 2000 2 49 2 2000 3 17 2 2000 4 25 2 2000 4 60 2 2000 4 95 2 2000 2 15 2 2000 2 50 2 2000 3 18 2 2
5. Actions and Final Actions Section 2 Status Indicator Repair Analysis Procedures RAPs Section 3 Image Quality Repair Analysis Procedures IQ RAPs Section 4 Repair Adjustment REPs Section 5 Parts Lists PLs Section 6 General Procedures Section 7 Wiring All service calls start with Initial Actions and all service calls end with Final Actions Initial Actions Corrective Actions j Parts List Repair Procedures Wiring Data General Procedures Final Actions Correct Any Secondary Problems Image Quality N28 0101 Figure 1 Call Flow Diagram Service Call Procedures 1 2 02 2000 14 Initial Issue DocuPrint N2025 N2825 1 3 Initial Actions Initial Actions are used to gather information from the operator concerning problems at the local machine Make note of symptoms error messages error codes or other information con cerning the problem that the operator may provide This information may help identify an inter mittent or unusual problem Procedure Ensure that the power cord is connected to the wall outlet and to the machine Check for paper or other objects in the paper path Remove all paper from the output tray s The Rear Cover and Top Cover are closed The paper is loaded correctly in the Paper Tray s Ask the operator to describe or if possible demonstrate the problem If the problem is the result of incorrect operator action
6. refer the operator to the User doc umentation or to another customer support function Refer to Section 2 if an error message is displayed 9 If possible print the Configuration Sheet To print the Configuration Sheet press and release 1 or 5 until Print Menu is displayed Then press and release 2 or 6 until Config Sheet is displayed Press Enter 4 to print the sheet If the sheet is blank go to IQ RAP 2 10 Determine that the configuration settings are correct 11 If possible print the Fault History To print the Fault History press and release 1 or 5 until Print Menu is displayed Then press and release 2 or 6 until Fault History is dis played Next press Enter 4 to print the sheet The Fault History will list the error codes and the meter count when the event happened Use the Fault History to determine the fre quency of a problem Access the Error Code Tables Table 1 or Table 2 and perform the corrective action as instructed 12 If the Fault History can not be printed the fault history can be displayed on the Control Panel To display the Fault History press and release 1 or 5 until Print Menu is dis played Then press and release 2 or 6 until Display Faults is displayed Next press press 3 to display the last fault that occurred Continue to press and release 3 to display the error codes in order from the newest to the oldest Pressing and releasing the 4 key will displ
7. third party claims which arise directly or indirectly from such service Prepared by Maak 1 105 Loudoun Street S W Leesburg VA 20175 2910 Prepared for Network Printers Business Unit Customer and Marketing Focus 701 South Aviation Blvd EI Segundo California 90245 Copyright 02 2000 Copyright 2000 by Xerox Corporation Xerox DocuPrint N2025 N2825 are registered trademarks of Xerox Corporation Copyright 2000 Xerox Corporation All rights reserved Copyright protection claimed includes all forms of matters of copyrightable materials and information now allowed by statutory or judicial law or hereinafter granted including without limitation material generated from the software programs which are displayed on the screen such as styles templates icons screen displays looks etc Xerox and all product names and product numbers mentioned in this publication are trademarks Adobe and PostScript are trademarks of Adobe Systems Incorporated PCL HP LaserJet and Intellifont are trademarks of Hewlett Packard Company IBM is a trademark of International Business Machines Corporation Microsoft Microsoft Windows Microsoft Word MS and MS DOS are trademarks of Microsoft Corporation Univers is a trademark of Linotype AG or its subsidiaries WordPerfect is a trademark of WordPerfect Corporation Centronics is a trademark of Centronics Corporation Macintosh and TrueType are trademarks of Apple Computer Incorporated A
8. 000 4 26 2 2000 4 61 2 2000 4 96 2 2000 Initial Issue DocuPrint N2025 N2825 02 2000 viii Revision Control List Page Revision DoT eem 2 2000 OL ev 2 2000 5 3 2 2000 5 4 2 2000 5 5 2 2000 5 6 2 2000 D f SA 2 2000 5 8 2 2000 5 9 2 2000 5 10 2 2000 5 11 2 2000 5 12 2 2000 5 13 2 2000 5 14 2 2000 5 15 2 2000 5 16 2 2000 5 17 2 2000 5 18 2 2000 5 19 2 2000 5 20 2 2000 5 21 2 2000 5 22 2 2000 5 23 2 2000 5 24 2 2000 5 25 2 2000 5 26 2 2000 Oa e Sc 2 2000 6 2 2 2000 6 3 2 2000 6 4 2 2000 6 5 2 2000 6 6 2 2000 6 7 2 2000 6 8 2 2000 6 9 2 2000 6 10 2 2000 6 11 2 2000 6 12 2 2000 Page 6 13 2 2000 6 14 2 2000 6 15 2 2000 6 16 2 2000 6 17 2 2000 6 18 2 2000 6 19 2 2000 6 20 2 2000 6 21 2 2000 6 22 2 2000 6 23 2 2000 6 24 2 2000 6 25 2 2000 6 26 2 2000 6 27 2 2000 6 28 2 2000 6 29 2 2000 6 30 2 2000 6 31 2 2000 6 32 2 2000 6 33 2 2000 6 34 2 2000 6 35 2 2000 6 36 2 2000 6 37 2 2000 6 38 2 2000 6 39 2 2000 6 40
9. This section includes the Operations Menu Map and the Service Mode Menu Map It includes all unique service operations supplemental tools and supplies Initial Issue 02 2000 DocuPrint N2025 N2825 v Organization Terminology and Symbols The following is the terminology and symbols that are used in this manual for Warnings Electrostatic Device or General Cautions and Notes Warning This eguipment complies with the reguirements in Part 15 of FCC rules for a class A computing device Operation of the equipment in a residential area may cause unacceptable interference to radio and TV reception requiring the operator to take whatever steps are necessary to correct the interference Electrostatic Discharge The following symbols indicates that there are components which are sensitive to damage caused by electrostatic discharge 4 pos Terminology and Symbols 02 2000 VI Shock Hazard This symbol indicates the presence of potentially hazardous voltages FM 001 Fuser Hazard This symbol indicates the presence of extreme heat from the Fuser Assembly Initial Issue DocuPrint N2025 N2825 Laser Product Certification CAUTION Use of controls or adjustments other than those specified in this manual may result in an exposure to dangerous laser radiation The DocuPrint N2025 N2825 is certified to comply with Laser Product Performance Standards set by the United States Department of Health and Human Services
10. XEROX Xerox DocuPrint N2025 N2825 Network Laser Printer Service Manual _ CAUTION A 24 These components are susceptible V J to electrostatic discharge Observe procedures to avoid 721P52440 February 2000 This Service Manual contains information that applies to the DocuPrint N2025 N2825 Laser Printer Copyright This Service Manual contains information that applies to the DocuPrint N2025 N2825 Electronic Laser Printer NOTICE This manual is for use by Xerox Technicians and Xerox trained technicians only NOTICE While every care has been taken in the preparation of this manual no liability will be accepted by Xerox arising out of any inaccuracies or omissions All service documentation is supplied to Xerox external customers for informational purposes only Xerox service documentation is intended for use by certified product trained service personnel only Xerox does not warrant or represent that such documentation is complete Nor does Xerox represent or warrant that it will notify or provide to such customer any future changes to this documentation Customer s service of equipment or modules components or parts of such equipment may void any otherwise applicable Xerox warranties If Customer services such equipment modules components or parts thereof Customer releases Xerox from any and all liability for Customer s actions and Customer agrees to indemnify defend and hold Xerox harmless from any
11. as a Class 1 product This means that it is a laser product that does not emit dangerous laser radiation during any mode of customer operation During servicing the laser beam could cause eye damage if looked at directly Service procedures must be followed exactly as written without change p CAUTION 44 These components are susceptible i to electrostatic discharge Observe all ESD procedures to avoid damage Initial Issue 02 2000 DocuPrint N2025 N2825 vii Laser Product Certification Product Title Part Number DocuPrint N2025 N2825 Laser Printer Xerox DocuPrint N2025 N2825 Network 721P52440 Laser Printer Service Manual Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision Title 2 2000 2 16 2 2000 2 51 2 2000 3 19 2 2000 4 27 2 2000 4 62 2 2000 li 2 2000 2 17 2 2000 2 52 2 2000 3 20 2 2000 4 28 2 2000 4 63 2 2000 iii 2 2000 2 18 2 2000 2 53 2 2000 3 21 2 2000 4 29 2 2000 4 64 2 2000 iv 2 2000 2 19 2 2000 2 54 2 2000 3 22 2 2000 4 30 2 2000 4 65 2 2000 V 2 2000 2 20 2 2000 2 55 2 2000 3 23 2 2000 4 31 2 2000 4 66 2 2000 vi 2 2000 2 21 2 2000 2 56 2 2000 3 24 2 2000 4 32 2 2000 4 67 2 2000 vii 2 2000 2 22 2 2000 2 57
12. ay the codes in order from the oldest to the newest The Display Faults will dis play the error code and the meter count when the event happened An example of the dis play E9 2 820 where E9 2 is the error code and 820 is the meter count 13 Proceed to Corrective Actions PO 101 Be GO ec eo 1 4 Corrective Actions Procedure Ensure that Initial Conditions are met and that the Initial Actions have been completed Switch the main power off wait 10 seconds then switch the main power on The Main Drive Motor runs Y N Perform RAP 2 The display indicates an upper row of 16 solid squares that remain on for 1 second Figure 1 The display is correct Y N If machine indicates an error message see the Error Code Table in section 2 If the dis play is blank or has garbled text perform RAP 25 The Main Drive Motor runs for 8 seconds then stops Y N Perform RAP 16 The Fuser Fan runs at high speed for 5 seconds then switches to low speed Y N Perform RAP 20 The LCD Panel will come on again and display Power On and the Power On Diagnostic POD software Version x xxx Figure 2 The display is correct Y N Perform RAP 25 RAP 26 The Control Panel LEDs 1 2 3 and 4 turn on momentarily then turn off blink Y N Perform RAP 25 RAP 26 The display comes on and shows in the upper row Figure 3 The display is correct Y N Perform RAP 25 RAP 26 A row of 16 form across the top of the dis
13. customer send a document to the printer The print is successful Y N Try a sending a document from a different application The print was successful Y N There may be a problem with the print drivers Have the customer contact Xerox Customer Support There may be a problem with the application software Have the customer contact Xerox Customer Support Goto Final Actions N28 0104 Figure 1 Power On Version 2 02B N28 0105 Figure 2 A Service Call Procedures 1 4 02 2000 Initial Issue DocuPrint N2025 N2825 N28 0106 Figure 3 kkkkkkkkkkkkkkkk N28_0107 Figure 4 kkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkk N28_0108 Figure 5 2 00 07 N28_0109 Figure 6 Initializing 1996 1999 All N28 o112 Rights Reserved Figure 9 Processing N28 0113 Figure 10 Readv N28 0114 Figure 11 Processing Menu Map Processing N28 0110 N28 0115 Tray 3 Figure 7 Figure 12 Copvright n28 0111 Xerox Corp Figure 8 Initial Issue 02 2000 Service Call Procedures DocuPrint N2025 N2825 1 7 1 5 Final Actions Procedure T 2 3 Switch the main power off Update the tag matrix as required Reinstall all the covers removed during the service call and complete all required adminis trative tasks Clean the covers and ensure all labels are readable Switch the printer power on If any of the custo
14. ent information This information is not Section 1 Service Call Procedures specific to individual procedures but is provided for general reference This section is used to identify a suspected problem It contains Machine Orientation Call Flow Initial Actions Corrective Actions and Final Actions This part of the service manual should always be used to start the service call Section 2 Repair Analysis Procedures This section is used to isolate and identify problems to a faulty component or subassembly It contains the introduction display message table error code tables and the Repair Analysis Procedures RAPs Section 3 Image Quality This section contains image quality repair procedures to assist in correcting image quality defects These procedures provide defect samples and definitions to help identify the type of defect that exists the test pattern to use and actions required to correct the defects Section 4 Repair Adjustment This section contains the instructions for removal replacement and adjustment of the spared parts within the machine Section 5 Parts Lists This section contains illustrations of disassembled subsystems and a listing of the spared parts Part names are listed in this section of the manual even if the part itself is not spared All the parts that are spared will have the part number listed Parts that are not spared will not have a number listed Section 6 General Procedures
15. epair Analysis Procedures 2 1 Section Contents 2 errr reer eee 2 1 Image Quality Repair Procedures 3 1 Section Contents e err rere eee 3 1 Repair Adjustments 4 1 Section Contents ere rere eee 4 1 Parts List 222s cere eee eee eee eee 5 1 Section Contents ere reer eee 5 1 General Procedures 6 1 Section Contents errr eee ee 6 1 Wiring Data Ieeee 7 1 Section Contents errr reer ee 7 1 Table of Contents 02 2000 IV Introduction The DocuPrint N2025 N2825 Service Manual is the primarv document used for repairing and maintaining the DocuPrint N2025 N2825 Laser Printers This manual contains Service Call Procedures Diagnostic Procedures General Information Repair Analysis Procedures Image Quality Analvsis Procedures Wiring Data and Parts Lists that will enable the Service Representative to repair DocuPrint N2025 N2825 failures Initial Issue DocuPrint N2025 N2825 Organization Section 7 Wiring Data This manual is divided into seven sections The title and description of This section contains sensor connector and PWB location drawings each section of the manual is as follows power distribution diagrams interconect diagrams interconnect diagrams and pin assignm
16. ll other product names are trademarks tradenames of their respective owners PCL PCL 5e and PCL 6 are trademarks of Hewlett Packard Company This printer contains an emulation of the Hewlett Packard PCL 5e or PCL 6 command language recognizes HP PCL 5e or HP PCL 6 commands and processes these commands in a manner compatible with Hewlett Packard LaserJet printer products XL is a trademark of Xiontics Warning This equipment complies with the requirements in Part 15 of FCC rules for a class A computing device Operation of the equipment in a residential area may cause unacceptable interference to radio and TV reception requiring the operator to take whatever steps are necessary to correct the interference Initial Issue DocuPrint N2025 N2825 Electrostatic Discharge This caution indicates that there are components which are sensitive to damage caused by electrostatic discharge CS CAUTION These components are susceptible to electrostatic discharge Observe all ESD procedures to avoid damage Shock Hazard This symbol indicates the presence of potentially hazardous voltages Fuser Hazard This symbol indicates the presence of extreme heat from the Fuser Assembly Initial Issue DocuPrint N2025 N2825 FM 001 Class 1 LASER Product The DocuPrint N2025 N2825 laser printers are certified to comply with Laser Product Performance Standards set by the U S Department of Health and Human Service
17. mer selections were changed return them to the customer s preferred settings Run final prints and verify image quality For Image Quality problems go to section 3 Clean the general area Communicate with the customer to inform them of actions taken and to ensure all prob lems have been solved Service Call Procedures 1 5 02 2000 1 8 Initial Issue DocuPrint N2025 N2825
18. play Figure 4 The display indications are correct Y N Perform RAP 25 RAP 26 A second row of 16 form across the bottom of the display Figure 5 The display indica tions are correct Y N Perform RAP 25 RAP 26 Control Panel LED 1 comes on and remains on Y N Perform RAP 25 RAP 26 The LCD Panel now displays the Controller Software and Version level x xx xx Figure 6 The display indications are correct Initial Issue DocuPrint N2025 N2825 02 2000 Service Call Procedures 1 3 1 4 Y N Perform RAP 25 RAP 26 The Controller Software Version switches off and the display shows Initializing Figure 7 The display is correct Y N Perform RAP 25 RAP 26 The display now shows Copyright Xerox Corp Figure 8 The display is correct Y N Perform RAP 25 RAP 26 Next 1996 1999 All Rights Reserved is displayed on the LCD Panel Figure 9 The display is correct Y N Perform RAP 25 RAP 26 Next Processing is displayed on the LCD Panel Figure 10 The display is correct Y N Perform RAP 25 RAP 26 The final display is Ready The display is correct Y N Perform RAP 25 RAP 26 Press 1 twice to select Print Menu then press and release 2 until Menu Map is displayed Press Enter 4 to print the Menu Map First Processing Menu Map is displayed immedi ately followed by Processing Tray X The display is correct Y N Perfo
19. rm RAP 25 RAP 26 When the Main Driver Motor runs the motor and all drive gears sound normal Y N Perform RAP 29 Paper is fed from the paper tray to the Registration Roller and is undamaged Y N Perform RAP 8 The paper feeds out of the machine and is undamaged Y N Perform RAP 10 RAP 11 The print contains readable text Y N If the print is black or blank perform IQ RAP 10 or IQ RAP 2 If the text is garbled Per form RAP 44 The print quality of the Menu Map is acceptable Y N Perform Image Quality Checkout A nter Diagnostics and select Print Menu Scroll to Test Print Feed at least 5 test prints from all available trays to the Standard output tray Test prints were successfully delivered from each tray Y N If the failure occurred with MBF Go to RAP 41 Tray 1 Go to RAP 49 Tray 2 3 Go to RAP 7 2000 Sheet Feeder Go to RAP 62 If the Duplex Assembly is installed select Duplex On press Enter 4 Run at least 5 duplexed prints If a Duplex Assembly is not installed follow the Y path The prints were delivered successfully Y N Go to RAP 56 If a Offset Catch Tray OCT is installed select OCT and run at least 5 prints to the OCT If an OCT is not installed follow the Y path Prints were successfully delivered to the OCT Y N Go to RAP 68 Ensure that all normal printer conditions are set i e paper loaded machine in Ready condition internet cable connected Have the
20. s as a Class 1 Laser Product This means that this is a class of laser product that does not emit hazardous laser radiation this is possible only because the laser beam is totally enclosed during all modes of customer operation The laser and output of the laser scanner unit produces a beam that if looked into could cause eye damage Service procedures must be followed exactly as written without change When servicing the machine or laser module follow the procedures specified in the manual and there will be no hazards from the laser Laser FDA Any laser label visible to service must be reproduced in the service manual with location shown or indicated Safe working procedures and clear warnings concerning precautions to avoid possible exposure must also be included The Laser contained in the DocuPrint N2025 N2825 meets the following standard Laser class 3B maximum 5mW wavelength 780nm The following LASER symbol will be displayed at the start of any procedure where possible exposure to the laser beam exists LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT 02 2000 Electrostatic Discharge Table of Contents Title IIIIIIII 2 2 Page Introduction IIee iv Organization V Revision Control List viii Service Call Procedures 1 1 Section Contents errr eeee 1 1 R
21. ties and flow of a service call Initial Actions are used to gather information regarding the performance of the machine and prepare the product for servicing Corrective Actions are used to verify the normal operation of the machine In the Y N Yes No Steps of the corrective actions a Yes response will lead you to the next step A No response will indicate the next step to perform or will direct you to a Repair Analysis Procedure RAP RAPs will provide the instructions to isolate the faulty part or provide a list of suspect parts when isolation is not appropriate Wire harnesses are not included in the repair actions and problems with loose connections or damaged harnesses should be isolated using visual inspection and the wiring data in section 7 Final Actions are used to evaluate the total operation of the system and to identify the actions required to complete the service call 1 1 Machine Orientation For servicing the DocuPrint N2025 N2825 all references to machine orientation are as illus trated in Figure 1 Process Direction Right Side Direction a N28 0116 Figure 1 Machine Orientation Initial Issue DocuPrint N2025 N2825 02 2000 1 3 Service Call Procedures 1 0 1 1 1 2 Call Flow The call flow diagram shows the relationship of actions during a typical service call Figure 1 The functions in Call Flow correspond to service manual sections as follows Section 1 Initial Actions Corrective
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