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Xerox DocuPrint Network Printer Series
Troubleshooting Guide 
for Models 4850/4890 NPS

Version 7.1
August 2000
721P86741

Summary of Contents for DocuPrint 4850 NPS

Page 1: ...Xerox DocuPrint Network Printer Series Troubleshooting Guide for Models 4850 4890 NPS Version 7 1 August 2000 721P86741...

Page 2: ...ut limitation material generated from the software programs which are displayed on the screen such as icons screen displays looks etc Printed in the United States of America Publication number 721P867...

Page 3: ...zone information This product produces ozone during normal operation The amount of ozone produced depends on copy volume Ozone is heavier than air The environmental parameters specified in the Xerox i...

Page 4: ...covers or guards that are fastened with screws There are no operator serviceable areas within these covers Never override electrical or mechanical interlocks Never use supplies or cleaning materials...

Page 5: ...aring paper misfeeds and jams 4 1 Clearing a feeder tray fault 4 1 Frequent misfeeds 4 3 Clearing paper jams 4 4 Job recovery 4 6 Printer jam clearance areas 4 7 Clearing paper jams from areas 1 and 1...

Page 6: ...suring performance 6 2 Calculating throughput 6 4 Minimizing the start up latency 6 6 Setting page order 6 9 Product features that affect print quality 6 9 Proprietary PostScript extensions 6 9 Device...

Page 7: ...describes the information to have on hand when calling for support service Chapter 2 Troubleshooting Xerox Client Software installation provides solutions to common problems with software installatio...

Page 8: ...privilege operator Enter Within procedures the two step process of keying in data and pressing RETURN for example enter y Italics Document and library names are shown in italics for example the Xerox...

Page 9: ...tion Language Installation Planning Guide Messages Guide System Overview Guide Troubleshooting Guide Glossary Master Index Customer Information Quick Reference Card Printer Controller Commands Quick R...

Page 10: ...INTRODUCTION x XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 11: ...note of the following Status code numbers and messages that appear on the controller screen and the printer console Indicator lights that are lit Name of your printer DocuPrint 4850 4890 NPS Serial nu...

Page 12: ...modem so that the technician can dial into your system Prior to enabling the modem be sure to use the Stop All command so that printing and queueing are stopped during the remote service session When...

Page 13: ...e following steps 1 If the Printer Controller software is newly installed verify that job processing has been started at the Printer Controller 2 At the client verify the host file exists and contains...

Page 14: ...correct information Make sure the machine is operational and is in the network mode UNIX clients only Indicates that the installation script s attempt to communicate with the Printer Controller has f...

Page 15: ...r Xerox service representative must change the configuration on the DocuPrint NPS Printer Controller Log message says there is an error in connecting to the file server DocuPrint NPS is getting SAP pa...

Page 16: ...finition Stop the PSERVER instance Log message says Error finding queue Queue not created At the file server create the queue set up the printer for the PSERVER and be sure it will service the appropr...

Page 17: ...g SAP packets advertising the print server There is a basic connectivity or routing problem The incorrect framing type has been set The print server is not running For RPRINTER there must be a PSERVER...

Page 18: ...TROUBLESHOOTING A NOVELL IMPLEMENTATION 3 4 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 19: ...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 Go to the paper tray indicated by the message an...

Page 20: ...the stack is not higher than the MAX line on the length guide Make sure the length guide is firmly touching the back edge of the stack 6 Latch the paper feeder assembly by pressing the green dot unti...

Page 21: ...n 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 are or software 1 Clear any misfeeds t...

Page 22: ...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 Y...

Page 23: ...vent of a jam the printer control console displays the following information The message display describes the areas of the printer you must check and clear The graphic display shows the location of t...

Page 24: ...indicated by the message and graphic displays Job recovery Checking job integrity following a paper jam When printing resumes following a paper jam there is a slight possibility that duplicate sheets...

Page 25: ...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 the...

Page 26: ...T 4850 4890 NPS TROUBLESHOOTING GUIDE 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 you find i...

Page 27: ...high capacity feeder front door and locate area 1A 5 Remove and discard any paper you find in the area 1A 6 Close the door and press the Continue button to resume printing Clearing paper jams from are...

Page 28: ...0 NPS TROUBLESHOOTING GUIDE 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 3 Lower the handles and close the door...

Page 29: ...AND JAMS XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE 4 11 5 Lift the green handle Remove and discard any paper you find in this area 6 Lower the handle close the door and press the Continue bu...

Page 30: ...ndle to the right in the direction of the arrow marked on it 3 Remove and discard any paper you find in this area 4 Release the handle close the door and press the Continue button to resume printing N...

Page 31: ...oth areas Warning The laser safety label located on the inside left front door of the printer advises you that the panel below it must not be removed except by a service representative 2 With your lef...

Page 32: ...ard any paper you find in this area Caution Do not use a sharp object to remove paper wrapped around the fuser rolls Attempting to do so could damage the roller and require its replacement 5 Return th...

Page 33: ...ume printing 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 th...

Page 34: ...arrow marked on it Remove and discard any paper you find there 4 Release the green handle 5 Close the door and press the Continue button to resume printing Clearing paper jams from areas 6 and 6A Foll...

Page 35: ...stacker too if the printer control console message display indicates it needs to be opened 4 Remove and discard any sheets under the high capacity feeder cover If the printer control console message d...

Page 36: ...ER MISFEEDS AND JAMS 4 18 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE Clearing paper jams from area 7 Area 7 of the paper path is used only during duplex printing 1 Open the middle door and lo...

Page 37: ...BLESHOOTING GUIDE 4 19 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 positio...

Page 38: ...rea 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 control console 2...

Page 39: ...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 th...

Page 40: ...that pops up when you open the cover 3 Locate the side cover of area B on the right 4 Push the cover to the right in the direction of the large green arrow at the front of the cover to open it 5 Remo...

Page 41: ...n 4890 1 Verify that a sheet is caught between the bypass transport and the finishing device If a sheet is there remove it and discard it 2 Open the top cover of the bypass transport by lifting upward...

Page 42: ...others do not the scuffer arms may need to be adjusted Note The scuffer arm weights on some printers are bolted in place These must be adjusted by a service representative The adjustable weights are...

Page 43: ...1 Scuffer arm 2 Clear all paper jams following the jam clearance instructions provided by the message and graphic displays on the printer control console 3 Discard any pages sent to the sample tray o...

Page 44: ...CLEARING PAPER MISFEEDS AND JAMS 4 26 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 45: ...available DocuPrintFAQ One sample document DocuPrintFAQ provides a list of frequently asked questions FAQ and answers about DocuPrint NPS This document may contain information that can help you resolv...

Page 46: ...testgray testxerox worm XeroxSpiral XGFGoldenJob XGFLicenseRequestForm XRXGPJ1 XRXGPJ2 Access level Administrator or operator Syntax Print Sample Document Document Copies Plex Staple Resolution Media...

Page 47: ...ng finish the stitching is ignored Media Indicates the media you want to use for printing the sample document Use the syntax size type color weight to specify media Specify USLetter USLegal A4 or nxn...

Page 48: ...USING SAMPLE DOCUMENTS 5 4 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 49: ...the printer console displays a message It also displays one of two messages indicating the state of the dry ink housing Ready Not ready You must run a PQA Note If either the black or the color housin...

Page 50: ...r This section describes how to calculate speeds using the sequencer log and how to minimize the start up latency in your calculations Note The sustained throughput using a stopwatch is a better measu...

Page 51: ...4 89 Job 87 start ftpadmin rxlb300 ps2 ps November 14 1996 9 44 44 am PST Job 85 stop ftpadmin rxlb300 ps2 ps November 14 1996 9 44 54 am PST pages 30 decomp 12 72 elapsed 36 57 Job 88 start ftpadmin...

Page 52: ...measurement of performance obtain the measurements while the printer is running a block of jobs Since start and stop times tend to overlap between jobs in a block the only way to obtain a measurement...

Page 53: ...rate 6 2 ppm lower than the maximum rate To verify the assumption that the sustained throughput of the job prints at the rated speed of a Model 4890 a calculation of the rate based on the decompositio...

Page 54: ...tart up latency of the printer Use a stopwatch to measure the elapsed time from when the first sheet is delivered to when the last sheet is delivered to the output tray Take the start time and stop ti...

Page 55: ...14 1996 10 13 24 am PST pages 30 decomp 11 78 elapsed 36 24 Job 107 start ftpadmin rxlb300 ps2 ps November 14 1996 10 13 27 am PST Job 108 start ftpadmin rxlb300 ps2 ps November 14 1996 10 13 39 am P...

Page 56: ...sed 76 50 compress 4 99x min free 100750K compress pages 138 expand pages 0 Job 135 start ftpadmin rxlb300 ps2 ps November 14 1996 10 22 15 am PST Job 132 stop ftpadmin rxlb300 ps2 ps November 14 1996...

Page 57: ...a bypass transport the page delivery order is determined by the requirements of the third party device face up or face down To maximize performance place the pages in the PostScript master in the orde...

Page 58: ...rtability Associated with every device is a default halftone definition that is appropriate for most applications In addition to the device dependent nature of halftoning a spot function is used by se...

Page 59: ...tflat operator indirectly controls the length of the straight line segments As stated in the PostScript Language Reference Manual second edition If the flatness parameter is large enough to cause visi...

Page 60: ...ADJUSTING PRINT QUALITY AND SPEED 6 12 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 61: ...is correct press the Continue button to resume printing The number displayed in the Wire Percentage indicator of the printer console begins to flash and the message STITCHER LOW ON WIRE appears when y...

Page 62: ...CORRECTING STACKING PROBLEMS 7 2 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 63: ...call the service representative You have cleared all faults that are listed on the printer control console but the Attention light is still on and the following message is displayed Output is stopped...

Page 64: ...SYSTEM UNRESPONSIVE 8 2 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

Page 65: ...and 1A 4 8 4 9 areas 2 and 2A 4 9 4 11 areas 6 and 6A 4 16 4 17 stacker tray paper jams 4 24 stitcher stacker tray paper jams areas A and B 4 22 4 23 Continue button no response 8 1 Correcting stacki...

Page 66: ...hput 6 4 6 5 feed belt cleaning 4 3 4 4 paper trays clearing misfeeds 4 1 4 2 product operator 6 9 PServer problems 3 1 publications related ix R Ready To Open indicator 4 1 remote service 1 2 require...

Page 67: ...XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE INDEX 3 INDEX X Xerox Client print command 2 1 Xerox Client Software troubleshooting installation 2 1 2 2 Xerox Product Safety iv...

Page 68: ...INDEX INDEX 4 XEROX DOCUPRINT 4850 4890 NPS TROUBLESHOOTING GUIDE...

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