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Optimizing print quality

Troubleshooting Guide

6-3

Figure 6-2. Three registration transport roll levers on
system with 7 by 10-inch enablement kit

a. Lever 1: Left - Maximum Pressure setting

b. Lever 2: Right - Maximum Pressure setting

c. Lever 3: Right - Maximum Pressure setting

4. When the print job is complete, return the levers to their

normal position.

5. Close the doors.

NOTE: Here are a few things for adjusting the registration
transport roll lever:

•

Position all levers for the same (either minimum or maximum)
pressure setting. Do not intermix the positions of the levers.

•

Paper greater than 14 inches / 352 mm in any dimension is
considered oversized.

•

Paper heaver than 24 pounds / 90 gsm is considered heavy
weight.

•

The following factors may affect the positioning of the paper
levers:

–

Machine tolerance

–

Paper supplier

–

Job type (e.g., duplex).(clockwise).

Содержание DocuPrint 155

Страница 1: ...Xerox DocuPrint 96 4635 180 2000 NPS IPS Troubleshooting Guide 721P90211 Version 8 0 October 2002 ...

Страница 2: ...itation 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 721P90210 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 docum...

Страница 3: ...rmation xi Introduction xiii About this guide xiii Contents xiii Conventions xiv Related publications xv 1 Calling for service 1 1 Information to have on hand when calling for service 1 1 Enabling and disabling the modem for remote service 1 2 2 Fault masking 2 1 3 Troubleshooting Xerox Client Software installation 3 1 4 Troubleshooting a Novell implementation 4 1 5 Clearing paper misfeeds and jam...

Страница 4: ...recting skewed printing 6 2 Product features that affect PostScript print quality 6 4 Proprietary PostScript extensions 6 4 Device dependent operators 6 4 Gray shading setscreen and setcolorscreen 6 4 Gray shading settransfer and transfer function 6 5 Smooth curves setflat 6 6 Invisible strokes 0 setlinewidth 6 6 Scan conversion fill eofill and stroke 6 6 7 Resolving printer problems 7 1 8 Resolvi...

Страница 5: ...ucation and Welfare for Class 1 laser products Class 1 laser products do not emit hazardous radiation The DocuPrint printers do not emit hazardous radiation because the laser beam is completely enclosed during all modes of customer operation 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 DO NOT REMOV...

Страница 6: ...on of the equipment grounding conductor may result in risk of electrical shock Always connect equipment to a properly grounded electrical outlet If in doubt have the outlet checked by a qualified electrician Never use a ground adapter plug to connect equipment to an electrical outlet that lacks a ground connection terminal Always place equipment on a solid support surface with adequate strength fo...

Страница 7: ... your local Xerox representative or operating company Operation safety Europe This Xerox product and supplies are manufactured tested and certified to strict safety regulations electromagnetic regulations and established environmental standards Any unauthorised alteration which may include the addition of new functions or connection of external devices may impact the product certification Please c...

Страница 8: ...ied electrician To disconnect all electrical power to the product the disconnect device is the power cord Remove the plug from the electrical outlet Ventilation Slots and opening in the enclosure of the product are provided for ventilation Do not block or cover the ventilation vents as this could result in the product overheating This product should not be placed in a built in installation unless ...

Страница 9: ...s related to low voltage equipment January 1 1996 Council Directive 89 336 EEC approximation of the laws of the member states related to electromagnetic compatibility March 9 1999 Council Directive 99 5 EC on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity A full declaration of conformity defining the relevant directives and referenced stand...

Страница 10: ...21 a specification for terminal equipment for use on analog switched telephone networks in the European Economic area The product may be configured to be compatible with other country networks Please contact your Xerox representative if your product needs to be reconnected to a network in another country This product has no user adjustable settings NOTE Although this product can use either loop di...

Страница 11: ...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 ...

Страница 12: ...Safety xii Troubleshooting Guide ...

Страница 13: ...0 Series NPS IPS operators whose job consists of the routine operation of one of these systems Users should have an understanding of printer controller operations Before using this guide become familiar with its contents and conventions Contents This section lists the contents of this guide Chapter 1 Calling for service describes the information to have on hand when calling for support service and...

Страница 14: ...de uses the following conventions All caps and angle brackets Within procedures the names of keys are shown in all caps within angle brackets for example press ENTER Angle brackets Variable information or the position of a specified argument in the command syntax appears in angle brackets for example List Fonts Pattern Bold Within procedures text and numbers that you enter are shown in bold for ex...

Страница 15: ...nting refer to the Solutions Guide for IPDS Printing Guide to Configuring and Managing the System Guide to Managing Print Jobs Guide to Performing Routine Maintenance Guide to Submitting Jobs from the Client Guide to Using Page Description Languages Installation Planning Guide System Overview Guide Troubleshooting Guide Solutions Guide for IPDS Printing Decomposition Service and Tools Guide Glossa...

Страница 16: ...ck Reference Card 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 ...

Страница 17: ... Before calling make 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 96 or 4635 or 180 or 2000 Series NPS IPS Serial number for your printing system located on the frame behind the narrow door to the far left at the front of the printer Problems you are having with the s...

Страница 18: ...x the problem An external modem allows your system to be accessed by remote service technicians You may be instructed to enable the modem so that the technician can dial into your system Follow this procedure 1 Stop all printing and queueing during the remote service session 2 Follow the instructions of your service representative to enable the modem 3 When the remote service session is complete d...

Страница 19: ...be masked An example of a masked fault condition is when feeder tray 1 is in use and feeder tray 2 is jammed or stacker bin B is full When there is a masked fault or condition the Hint icon a light yellow circle with an asterisk inside appears on the printer console and the goes on A message preceded by an asterisk also appears in line 3 of the message area of the printer console To display the ar...

Страница 20: ... masked faults before continuing with the print job When there is a fault that cannot be masked and therefore causes the printer to stop the Fault icon a dark yellow triangle with an exclamation point inside appears on the printer console and the Attention light flashes The Fault screen appears on the printer console highlighting in dark yellow the area s of the printer containing the fault and gi...

Страница 21: ...ure that the environment variable path includes the subdirectory usr xerox nps client bin and usr bin before the subdirectory containing the local print command Also resolve any print command aliases that might be set in the cshrc file If you see the message Server or Directory Unreachable after executing a print command perform the following steps 1 If the printer controller software is newly ins...

Страница 22: ...e installation commands use to install the Client Software The attempt to communicate to the Print__Controller__Name has failed Make sure the name Print__Controller__Name is correct Make sure your etc hosts file contains 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 Prin...

Страница 23: ...here is an external connectivity problem Check Novell file server console screen for messages 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 Log message says there is an error in connecting to the file server NPS IPS is getting SAP packets with ...

Страница 24: ... server should only have a PSERVER defined with the same name as the printer s PSERVER there should not be an instance of PSERVER running under that PSERVER definition 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 appropriate queue Log message says Netware PServ...

Страница 25: ...ackets 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 running on the file server with the name specified to NPS IPS at installation time If there is an external connectivity problem PSERVER should work when it is repaired If it is an incorrect framing type you...

Страница 26: ...Troubleshooting a Novell implementation 4 4 Troubleshooting Guide ...

Страница 27: ...misfeeds and jams from various areas of the printer 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 and graphic displays of the printer console 2 Press the Tray Unlock button on the front left of the paper tray ...

Страница 28: ... the tray all the way out for best results 4 Press the green lever to unlatch the paper feeder assembly 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 ...

Страница 29: ...etected NOTE If the 96 4635 180 NPS IPS does not continue printing after a paper tray fault or after paper is loaded open and close the tray The system should resume printing Frequent misfeeds Frequent misfeeds may be caused by a glazed feed belt A glazed belt is the most common cause of one tray misfeeding more than another tray when the same kind of paper is used Glazing is caused by a buildup o...

Страница 30: ...isfeeds that have occurred but do not latch the paper feeder assembly If necessary unlatch it by pressing down on the bright green lever on the right side of the paper tray 2 Lightly moisten a lint free towel with film remover and thoroughly wipe the outside surface of the feed belt in the same direction as the ribs on the belt Wiping from side to side might pull the belt off its track Allow a few...

Страница 31: ... tray completely back into the printer Operate the system as usual If you still experience misfeeds place a service call Clearing paper jams Detailed message labels inside of the printer tell you how to clear the jam Each handle lever or knob that must be moved to clear a jam is bright green and marked with an arrow indicating the direction it moves ...

Страница 32: ...eas for more information NOTE You may find that the printer has already cleared the jam and sent the paper to the sample or purge tray 4 Close any printer doors that were opened 5 Press the Continue button to resume printing 6 Discard any damaged sheets sent to the sample tray or purge tray NOTE You may find that the printer has already cleared the jam and sent the paper to the sample or purge tra...

Страница 33: ...2 Check this section and the sheets immediately before the first offset sheet to see if there are any missing or duplicate sheets in the job 3 Check the output for data missing from the pages Printer areas This section provides illustrations of the various areas of the printer where jams may occur The following illustration shows all the jam clearance areas for the 96 4635 180 printer The followin...

Страница 34: ...Clearing paper misfeeds and jams 5 8 Troubleshooting Guide Area 2 Area 3 Area 2 ...

Страница 35: ...Clearing paper misfeeds and jams Troubleshooting Guide 5 9 Area 4 Area 5 ...

Страница 36: ...Clearing paper misfeeds and jams 5 10 Troubleshooting Guide Area 6 ...

Страница 37: ...Clearing paper misfeeds and jams Troubleshooting Guide 5 11 Area 7 ...

Страница 38: ...ms 5 12 Troubleshooting Guide Area 8 NOTE If jammed paper rips as you are removing it from area 8 you may need to use the pinch lever in area 9 to remove the paper Refer to the Notes section following the figure illustrating area 9 ...

Страница 39: ...edged in this area more easily Area 9 also has a green knob located to the right of the lever which can be turned to help you clear paper Using the pinch lever to access area 9 If you have difficulty removing paper from this area you can use the pinch lever located further inside area 9 Follow this procedure 1 Locate the green pinch lever directly behind area 9 2 Carefully reaching your hand into ...

Страница 40: ...Clearing paper misfeeds and jams 5 14 Troubleshooting Guide 4 Replace the green pinch lever to its original position 5 Discard any paper you removed Area 10 ...

Страница 41: ...Clearing paper misfeeds and jams Troubleshooting Guide 5 15 Area 11 ...

Страница 42: ...Clearing paper misfeeds and jams 5 16 Troubleshooting Guide Area 12 NOTE For 180 printers when clearing area 12 you are required to clear areas 12 and 13 ...

Страница 43: ... paper misfeeds and jams Troubleshooting Guide 5 17 Area 13 Area 14 NOTE You may sometimes find paper lying on top of area 14 even though there is no message that indicates a jam in this area Discard the paper ...

Страница 44: ...Clearing paper misfeeds and jams 5 18 Troubleshooting Guide Area 15 ...

Страница 45: ...Clearing paper misfeeds and jams Troubleshooting Guide 5 19 Area 16 NOTE For 180 printers when clearing area 16 you are required to clear areas 16 and 17 ...

Страница 46: ...Clearing paper misfeeds and jams 5 20 Troubleshooting Guide Area 17 ...

Страница 47: ...to discard the last sheet from the stack following a jam in area 18 Check for this message when clearing a paper jam in area 18 If your printer has frequent jams in this area you may need to clean the Q1107A sensor Refer to the Cleaning the sensors and the reflecting surfaces section of the Guide to Performing Routine Maintenance ...

Страница 48: ...r clearing a paper jam in area 18 To clear bypass transport jams 1 Open the bypass transport module door 2 Locate area 19 and press the green lever in the direction of the arrow that is printed on the lever Area 19 3 Remove any paper in the exposed area 4 Press the green lever to the left until the latch catches 5 Locate area 20 and press the green lever in the direction of the arrow that is print...

Страница 49: ... down and to the left until the latch catches 8 Close the bypass transport Paper curl and paper jams Too much curl in the paper stock can cause paper jams You can adjust the decurler lever to eliminate most of these problems Refer to the paper curl chart at the end of this chapter to determine the amount of curl in the paper stock ...

Страница 50: ...he five prints in the top center of the short edge Keep the image toward you Figure 5 1 Measuring the paper curl 3 Place the bottom edge of the prints over the paper curl measurement chart located at the end of this chapter If the print curl on the printed paper stock measures between 2 and 2 do not change the decurler setting If the curl is between 2 and 3 or 3 and 4 use the following procedure t...

Страница 51: ...2 Decurler lever 2 If the print curl is 2 or more move the green decurler lever to the right 3 If the print is 3 or more move the green decurler lever to the left 4 If the decurler adjustment does not eliminate the paper curl problem turn the paper stack over in the feeder tray 5 If there is still a paper curl problem perform steps 1 to 4 again 6 If all else fails insert paper from a new ream ...

Страница 52: ...Clearing paper misfeeds and jams 5 26 Troubleshooting Guide Figure 5 3 Paper curl chart ...

Страница 53: ...ure good print quality CAUTION The custom transfer assist blade comes as a kit with detailed instructions Be sure to follow the instructions carefully To prevent damage to the printer have your service representative show you how to customize and install a custom transfer assist blade for the first time You must use the standard transfer assist blade with standard paper of the following sizes In U...

Страница 54: ...ght and left doors of the printer and locate the heavy paper levers behind areas 2 and 4 2 Pull the levers forward toward you on the silver latch release 3 Turn both of the levers to the left counter clockwise as illustrated in the following figure Figure 6 1 Adjusting the registration transport roll levers NOTE If your system is equipped with the optional 7 by 10 inch paper enablement kit it has ...

Страница 55: ...ers to their normal position 5 Close the doors NOTE Here are a few things for adjusting the registration transport roll lever Position all levers for the same either minimum or maximum pressure setting Do not intermix the positions of the levers Paper greater than 14 inches 352 mm in any dimension is considered oversized Paper heaver than 24 pounds 90 gsm is considered heavy weight The following f...

Страница 56: ... masters generated on a Macintosh with Apple proprietary features may produce output that varies between LaserWriter and non LaserWriter PostScript printers 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 so...

Страница 57: ...ferent halftone patterns resulting in visual differences in the output Gray shading settransfer and transfer function The PostScript operators settransfer and setcolortransfer are used to change the procedure for mapping perceived color values in the output of the print device into specified color values in the PostScript master PostScript devices use an internal transfer array or procedure that t...

Страница 58: ...h The setflat 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 visible straight line segments to appear the result is unpredictable Setflat sets a graphics state parameter whose effect is device dependent It should not be used in a page description that is in...

Страница 59: ...lity Troubleshooting Guide 6 7 Sections 2 2 and 6 5 of the PostScript Language Reference Manual second edition discuss scan conversion Section 6 5 states that scan conversion details are not part of the PostScript standard ...

Страница 60: ...Optimizing print quality 6 8 Troubleshooting Guide ...

Страница 61: ...ack falls over or slides around the bin Excessive paper curl Try adjusting for paper curl See Paper curl and paper jams in Guide to Performing Routine Maintenance Printing stops and the printer console displays a message indicating that an incorrect paper size is loaded in a feeder tray Incorrect paper size a misfeed in feeder trays 3 or 4 or a damaged sheet 1 Check the paper in the indicated tray...

Страница 62: ...Resolving printer problems 7 2 Troubleshooting Guide ...

Страница 63: ...vailable are turned far enough to the left to brighten the screen 3 If the monitor is powered on and controls are turned to the left call the service representative The first job to print after a reboot or a diagnostics session takes 30 to 60 seconds longer than usual This is normal operation No action is needed Subsequent jobs should print without a delay User says a job is not printing The jobs ...

Страница 64: ...document does not print there may be a system problem Printer controller is not communicating with the network Does not apply to channel attached host Ping the printer controller check the cabling connections Reconnect the network cable Use the network diagnostics to check the network devices Printer controller is off or needs to be restarted Check the printer controller operation Restart the prin...

Страница 65: ...tering print options from the client workstation Enter Show Document Attributes Resend if necessary using correct options or enter Change Document Attributes to specify the desired attributes Job prints correctly on the right media but an error message on the trailer page indicates a media error There are PostScript setpagedevice operators in the job that specify the media to use and the job submi...

Страница 66: ...ops and sends a not ready message to the host 1 Enter Show Status to ensure there is no other problem If you have a stoppage due to the status shown correct the problem status 2 Enter List Virtual Printer or Show IPDS Virtual Printer to see if the virtual printer is stopped 3 Enter Start Virtual Printer vpname Queueing has stopped The job pool manager cannot accept any jobs when queuing has stoppe...

Страница 67: ...r function 6 5 transfer function 6 5 H hard disk Xerox Client Software requirements 3 2 Hint icon 2 1 I installing custom transfer assist blade 6 1 invisible strokes setlinewidth 6 6 J job integrity checking after paper jam 5 7 L laser safety v M masking faults 2 1 2 2 measuring paper curl 5 23 messages Client Software installation 3 2 modem enable 1 2 N Novell implementation troubleshooting 4 1 4...

Страница 68: ...mbers vii laser v operation vi ix SAP packets 4 1 scanconversion 6 6 server override switch Xerox Client print command 3 2 service call required information 1 1 setbscolor 6 5 setcmykcolor 6 5 setcolorscreen 6 4 6 5 setflat 6 6 setgray 6 5 setlinewidth 6 6 setrgbcolor 6 5 setscreen 6 4 6 5 settransfer 6 5 skewed printing correcting 6 2 smooth curves 6 6 stacker problems 7 1 stroke 6 6 system probl...

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