Xerox 4890 Troubleshooting Manual
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Xerox 4890 Troubleshooting Manual

Xerox 4890 Troubleshooting Manual

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Xerox DocuPrint
4850/4890/92C
NPS/IPS
Troubleshooting Guide
721P90201
Version 8.0
October 2002

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  • Page 1 Xerox DocuPrint 4850/4890/92C NPS/IPS Troubleshooting Guide 721P90201 Version 8.0 October 2002...
  • Page 2 Printed in the United States of America. Publication number: 721P90201 Xerox® and all Xerox products mentioned in this publication are trademarks of Xerox Corporation. Products and trademarks of other companies are also acknowledged. Changes are periodically made to this document. Changes, technical...

  • Page 3: Table Of Contents

    Enabling and disabling the modem for remote service ... . . 1-2 2. Troubleshooting Xerox Client Software installation... 2-1 3. Troubleshooting a Novell implementation ....3-1 4.
  • Page 4 Clearing stitcher/stacker paper jams (areas A and B) ..4-27 Clearing bypass transport paper jams (4890/92C only) ..4-28 5. Optimizing print quality ........5-1 Adjusting print quality .

  • Page 5: Safety

    The laser danger labels on the system are for Xerox service representatives and are on or near panels or shields that must be removed with a tool.

  • Page 6: Ozone Information: U. S. Only

    1-800-828-6571 to request the Xerox publication 600P83222, OZONE. Operation safety: U. S. Your Xerox equipment and supplies have been designed and tested to meet strict safety requirements. They have been approved by safety agencies, and they comply with environmental standards.

  • Page 7: Operation Safety: Europe

    Disconnect the power cord from the electrical outlet and call service to correct the problem. If you need any additional safety information concerning the equipment or materials Xerox supplies, call Xerox Product Safety at the following toll-free number in the United States: 1-800-828-6571 For customers outside the United States, contact your local Xerox representative or operating company.

  • Page 8: Electrical Supply

    This product should not be placed in a built-in installation unless proper ventilation is provided, please contact your Xerox representative for advice. Never push objects of any kind into the ventilation vents of the product.

  • Page 9: Maintenance

    A full declaration of conformity, defining the relevant directives and referenced standards, can be obtained from your Xerox representative. In order to allow this equipment to operate in proximity to...

  • Page 10: Radio And Telecommunications Equipment Directive (Europe Only)

    Radio and telecommunications equipment directive (Europe only) Certification to 1999/5/EC Radio Equipment and Telecommunications Terminal Equipment Directive: This Xerox product has been self-certified by Xerox for pan- European single terminal connection to the analog public switched telephone network (PSTN) in accordance with Directive 1999/5/EC.

  • Page 11: For Further Information

    For further information For more information on Environment, Health and Safety in relation to this Xerox product and supplies, please contact the following customer help lines: Europe:+44 1707 353434 USA:1 800 8286571 Canada:1 800 8286571 Troubleshooting Guide Safety...
  • Page 12 Safety Troubleshooting Guide...

  • Page 13: Introduction

    Introduction This guide describes how to solve some specific problems that may occur when you are using the Xerox DocuPrint 4850/4890/ 92C NPS/IPS. About this guide This guide is designed for Xerox DocuPrint 4850/4890/92C NPS/ IPS operators. Users should have an understanding of printer controller operations.

  • Page 14: Resolving System Problems

    <ENTER> (for example, enter y). • Italics: Document and library names are shown in italics (for example, the Xerox DocuPrint NPS/IPS Guide to Managing Print Jobs). • Quotation marks: Keywords you can enter as arguments appear in quotes (for example, “USLetter”).

  • Page 15: Related Publications

    Warnings alert you to conditions that may affect the safety of people. Related publications The Xerox DocuPrint NPS/IPS documentation set includes the documents listed below. NOTE: For a list of IBM reference manuals for IPDS printing, refer to the Solutions Guide for IPDS Printing.
  • Page 16 Introduction • Submitting your Jobs from Windows NT 4.0 (QuickPrint) Quick Reference Card • Submitting your Jobs Using Windows NT 4.0 Drivers Quick Reference Card The documentation set also includes an electronic version, the DocuPrint NPS/IPS Interactive Customer Documentation CD. Troubleshooting Guide...

  • Page 17: Calling For Service

    • Indicator lights that are lit • Name of your printer: DocuPrint 4850 or 4890 or 92C NPS/ • Serial number for your printing system (located on the frame inside the printer, behind the door to feeder trays 1 and 2) •...

  • Page 18: Enabling And Disabling The Modem For Remote Service

    Calling for service – Recent service performed – Previous conditions under which the application has Give this information to a customer service representative, who will discuss the information and give you an estimated time of arrival or assist you over the phone to resolve the problem. Enabling and disabling the modem for remote service Your system may be set up to use Sixth Sense Technology—a remote communication capability.

  • Page 19: Troubleshooting Xerox Client Software Installation

    Refer to the Guide to Submitting Jobs from the Client for more information. If you are unable to install the Xerox Client Software, or if you install it and all requests submitted fail, try the following: •...
  • Page 20 The following table provides a reference to error messages that may display during installation of Xerox Client Software. Table 2-1. Xerox Client Software installation error messages Error message Installation not complete.

  • Page 21: Troubleshooting A Novell Implementation

    • Check that the server is running and connected to the network. If it is an incorrect framing type or server name, your Xerox service representative must change the configuration on the printer controller. If there is an external connectivity problem: •...
  • Page 22 SET ALLOW UNENCRYPTED PASSWORDS=ON at the server console. If NPS/IPS has the wrong password, your Xerox service representative must change the password. Stop the PSERVER instance. At the file server, create the queue, set up the printer for the PSERVER and be sure it will service the appropriate queue.
  • Page 23 If there is an external connectivity problem: PSERVER should work when it is repaired. If it is an incorrect framing type, your Xerox service representative must change the configuration on the printer controller. If print server is not running, start...
  • Page 24 Troubleshooting a Novell implementation Troubleshooting Guide...

  • Page 25: Clearing Paper Misfeeds And Jams

    Paper jams and misfeeds can be greatly reduced or eliminated if you use the correct type of paper under the right conditions. Refer to Helpful Facts About Paper for information on paper selection and care. Clearing a feeder tray fault When paper is misfed from the paper trays, complete the following steps: 1.
  • Page 26 Clearing paper misfeeds and jams 3. When the Ready To Open indicator is lit, pull the bar up and out to open the tray. Pull the tray all the way out for best results. 4. Press the green lever to unlatch the paper feeder assembly. Troubleshooting Guide...

  • Page 27: Frequent Misfeeds

    5. Remove and discard any partially fed paper. Make sure that the paper supply is neatly stacked and that the stack is not higher than the MAX line on the length guide. Make sure that the length guide is firmly touching the back edge of the stack.
  • Page 28 Clearing paper misfeeds and jams Clean the feed belt only to correct misfeeds, not as routine maintenance. Because the belt is rubber, frequent cleaning dries it out and makes it fail prematurely.. 1. Clear any misfeeds that have occurred, but do not latch the paper feeder assembly.

  • Page 29: Clearing Paper Jams

    3. Latch the paper feeder assembly by pressing down on the bright green dot. Slide the paper tray completely back into the printer Operate the system as usual. If you continue to experience misfeeds, place a service call. Clearing paper jams Paper sometimes jams as it leaves the feeder trays or moves through the paper path.
  • Page 30 Clearing paper misfeeds and jams Jam display on In the event of a jam, the printer console displays the following printer console information: • The message display describes the areas of the printer you must check and clear. • The graphic display shows the location of the jams and the doors you open to access them.
  • Page 31 Figure 4-3. Message and graphic displays on the printer 1. Message display 2. Graphic display Interior labels Message labels are located inside of the printer at the point of need. Troubleshooting Guide Clearing paper misfeeds and jams console...

  • Page 32: Job Recovery

    Clearing paper misfeeds and jams Each handle, lever, or knob you use to clear a paper jam is bright green and marked with an arrow indicating the direction it moves. When a paper jam occurs in the printer, clear only the area or areas indicated by the message and graphic displays.

  • Page 33: Printer Jam Clearance Areas

    Printer jam clearance areas The following figure shows all areas of the printer paper path. NOTE: This diagram contains the jam clearance areas for both the dual stacker (areas 8, 8A, and 9) and the stitcher/stacker (areas A and B). The purpose of the diagram is to give you an overall perspective of the locations of all of the printer areas relative to each other.

  • Page 34: Clearing Paper Jams From Areas 1 And 1A

    Clearing paper misfeeds and jams Clearing paper jams from areas 1 and 1A To clear paper jams from areas 1 and 1A: 1. Open the middle door and locate area 1. 2. Remove and discard any paper that you find in the areas indicated.
  • Page 35 Clearing paper misfeeds and jams 4. Open the high-capacity feeder front door and locate area 1A. Area 1A 5. Remove and discard any paper that you find in area 1A. 6. Close the door and press the Continue button to resume printing.

  • Page 36: Clearing Paper Jams From Areas 2 And 2A

    Clearing paper misfeeds and jams Clearing paper jams from areas 2 and 2A To clear paper jams from areas 2 and 2A: 1. Open the middle door and locate area 2. 2. Lift the three green handles one by one. Each time you lift a handle, remove and discard any paper you find beneath the open section.
  • Page 37 4. Open the high-capacity feeder front door and locate area 2A. 5. Lift the green handle. Remove and discard any paper that you find in this area. 6. Lower the handle, close the door, and press the Continue button to resume printing. Troubleshooting Guide Clearing paper misfeeds and jams 4-13...

  • Page 38: Clearing Paper Jams From Area 3

    Clearing paper misfeeds and jams Clearing paper jams from area 3 Follow these steps to clear jams in area 3. 1. Open the middle door and locate area 3. 2. Push and hold the green handle to the right (in the direction of the arrow marked on it).

  • Page 39: Clearing Paper Jams From Area 4

    NOTE: When paper jams occur in areas 3 through 5, three extra blank sheets are sent through the printer to ensure that the fuser is clean. These sheets are sent to the top tray and should be discarded. You are not charged for these sheets. Clearing paper jams from area 4 Follow these steps to clear jams from area 4.
  • Page 40 Clearing paper misfeeds and jams 2. With your left hand, move and hold the green latch to the right (the direction of the arrow marked on it). With your right hand, pull out the large green handle until the fuser unit latches in the fully open position.
  • Page 41 6. Push down on the green release latch, and slide the fuser unit back into the printer until it latches into the closed position. 7. Close the doors (left one first) and press the Continue button to resume printing. Troubleshooting Guide Clearing paper misfeeds and jams 4-17...

  • Page 42: Clearing Paper Jams From Area 5

    Clearing paper misfeeds and jams Clearing paper jams from area 5 Follow these steps to clear jams in area 5. 1. Open the middle door and locate area 5. 2. If paper is caught in the rollers between areas 4 and 5, first turn the green knob in the direction of the arrow marked on it.
  • Page 43 3. Push and hold the green handle to the left (in the direction of the arrow marked on it). Remove and discard any paper that you find there. 4. Release the green handle. 5. Close the door and press the Continue button to resume printing.

  • Page 44: Clearing Paper Jams From Areas 6 And 6A

    Clearing paper misfeeds and jams Clearing paper jams from areas 6 and 6A Follow these steps to clear jams in areas 6 and 6A. 1. Area 6 (under cover) 2. Area 6a 3. Stacker 4-20 Troubleshooting Guide...
  • Page 45 1. Open the printer’s top cover. Remove and discard any paper that you find in this area. 2. Close the top cover. 3. Open the top cover of the high-capacity feeder (area 6a). (Open the top cover of the stacker, too, if the printer console message display indicates it needs to be opened.) 4.

  • Page 46: Clearing Paper Jams From Area 7

    Clearing paper misfeeds and jams Clearing paper jams from area 7 Area 7 of the paper path is used only during duplex printing. 1. Open the middle door and locate area 7. 4-22 Troubleshooting Guide...
  • Page 47 2. Pull the block-shaped set separator toward you and hold it in that position. 3. Remove and discard any paper in the duplex tray. 4. Return the set separator to its upright position. 5. Close the door and press the Continue button to resume printing.

  • Page 48: Clearing Paper Jams From Area 8

    Clearing paper misfeeds and jams Clearing paper jams from area 8 If your printer has a stitcher/stacker, see the “Correcting stacker problems” chapter. 1. Open the top cover of the output module, as indicated on the graphic display of the printer console. 2.

  • Page 49: Clearing Paper Jams From Area 9

    Clearing paper jams from area 9 If your printer has a stitcher/stacker, see the “Correcting stacker problems” chapter. 1. Open the right door and locate the green handle on the upper right side of area 9. 2. Pull the green handle down and to the left (in the direction of the arrow marked on it) to hold the assembly open while you remove and discard any paper that you find in this area.

  • Page 50: Adjusting Dual Stacker Tray Scuffer Arms

    Clearing paper misfeeds and jams Adjusting dual stacker tray scuffer arms Paper jams can occur when the paper does not stack smoothly in the stacker trays. If some papers stack well while others do not, the scuffer arms may need to be adjusted. NOTE: The scuffer arm weights on some printers are bolted in place.

  • Page 51: Clearing Stitcher/Stacker Paper Jams (Areas A And B)

    Clearing stitcher/stacker paper jams (areas A and B) Follow these steps to clear stitcher/stacker jams in areas A and 1. Open the top cover of the stitcher/stacker and locate area A in the center. 2. Remove and discard the paper under the paper guide. The paper guide is a spring-loaded, heavy wire form guide that pops up when you open the cover.

  • Page 52: Clearing Bypass Transport Paper Jams (4890/92C Only)

    6. Close the side and top covers. 7. Press the Continue button to resume printing. Clearing bypass transport paper jams (4890/92C only) To clear bypass transport paper jams: 1. Verify that a sheet is caught between the bypass transport and the finishing device.
  • Page 53 5. Remove and discard any paper that you see. 6. Push the cover back to the left and close it tightly. The cover snaps shut. 7. Press the Continue button on the printer console to resume printing. 8. Discard any pages sent to the sample tray when the jam was detected.
  • Page 54 Clearing paper misfeeds and jams 4-30 Troubleshooting Guide...

  • Page 55: Optimizing Print Quality

    This chapter discusses methods of checking and improving print quality. NOTE: One way to test print quality is to print a sample document. For information on printing sample documents, refer to The Guide to Configuring and Managing the System. Adjusting print quality The system maintains optimal print quality by monitoring the print quality while printing.

  • Page 56: Product Features That Affect Postscript Print Quality

    Optimizing print quality If a PQA command is issued on an NPS/IPS system with a bypass transport installed, the trailing sheet is sent to the bypass transport, but the test patterns are not. Access level Syntax Arguments Example Manually running a PQA PS–op>pqa DocuPrint manual PQA submitted as document number: (N) Product features that affect PostScript print quality...

  • Page 57: Device-Dependent Operators

    Optimizing print quality Device-dependent operators Some PostScript operators result in device-dependent PostScript files. “Device dependence” means that devices having different output characteristics may produce different-looking output even though they use the same software. This section documents the most serious examples of device dependence. The PostScript Language Reference Manual, second edition, lists all of the graphics state operators that are considered device-dependent.

  • Page 58: Gray Shading-Settransfer And Transfer Function

    The PostScript language provides a scheme for overwriting the internal transfer function of a printing device by providing the settransfer and setcolortransfer operators. However, some Xerox PostScript devices do not allow you to overwrite their internal transfer function. Typically, a master tries to replace the internal transfer function...

  • Page 59: Smooth Curves-Setflat

    Optimizing print quality Smooth curves—setflat PostScript masters that use the PostScript operator setflat produce inconsistent output across different PostScript printers. setflat controls curve rendering smoothness. PostScript curve operators use cubic Bezier control points to define the curve shape. These curves can be rendered from straight line segments.
  • Page 60 Optimizing print quality Troubleshooting Guide...

  • Page 61: Resolving Printer Problems

    This chapter describes printer-related problems other than paper jams, and suggests corrective actions. (Refer to “Clearing paper misfeeds and jams” for information on paper jams.) Symptom Printed sets are not stitched. Printing stops and the printer console displays a message indicating that an incorrect paper size is loaded in a feeder tray.
  • Page 62 Resolving printer problems Symptom Paper does not stack evenly in the dual stacker trays. Probable cause Action Scuffer arm weights are out of If printer has adjustable weights under adjustment. the scuffer arms, slide them to the right or the left. (Refer to “Clearing paper misfeeds and jams”...

  • Page 63: Resolving System Problems

    This chapter describes various system problems and suggests corrective actions. NOTE: The syntax for the actions listed is for CLI users. If using the GUI, refer to the online help for equivalent procedures. Symptom Probable cause Blank display: pressing a Monitor is powered off;...
  • Page 64 Resolving system problems Symptom Probable cause No jobs appear to be Queueing or printing may printing. be stopped. Scheduling policy may be First Come First Served (FCFS) and the next job may be ineligible. Possible system problem Printer controller is not communicating with the network.
  • Page 65 Symptom Probable cause Job prints on the wrong Paper in the tray and tray paper, or is otherwise not settings do not match. as expected. Job has a job ticket and specified virtual printer has SkipJTPreScan set to True. (Does not apply to IPDS.) Job has attributes from some other source (DSC,...
  • Page 66 Resolving system problems Symptom Probable cause The IPDS host receives a If a virtual printer is Not Ready message from specified for a job, and the the DocuPrint NPS/IPS. virtual printer properties are changed, then the virtual printer stops and sends a not ready message to the host.
  • Page 67 5-5 flushfile 5-2 glazing 4-3 gray shading setcolorscreen 5-3 setscreen 5-3 settransfer function 5-4 transfer function 5-4 hard disk, Xerox Client Software requirements 2-2 invisible strokes, setlinewidth 5-5 laser safety v messages Client Software installation 2-2 paper jams 4-6 modem...
  • Page 68 RPrinter problems 3-3 safety hotline numbers vii laser v operation vi–ix SAP packets 3-1 scanconversion 5-5 scuffer arms 4-26 server override switch, Xerox Client print command 2-2 service call, required information 1-1 setbscolor 5-4 setcmykcolor 5-4 setcolorscreen 5-3 setflat 5-5 setgray 5-4...
  • Page 69 5-4 transfer functions 5-4 Tray Unlock button 4-1 troubleshooting Novell implementation 3-1–3-3 Xerox Client Software installation 2-1–2-2 Xerox Client print command 2-1 Xerox Client Software, troubleshooting installation 2-1–2-2 Troubleshooting Guide INDEX-3...

This manual is also suitable for:

Docuprint 4850Docuprint 4890Docuprint 92c

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