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HP manual DesignJet 1050C/1055CM

Models: 1055CM

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What’s in this Service Manual

This manual contains information necessary to test, calibrate and service:

-HP DesignJet 1050C (model C6074A)

-HP DesignJet 1055CM (model C6075A)

For information about using these printers, refer to the corresponding User and Quick Reference Guides.

The procedures described in this manual are to be performed by HP-qualified Service Personnel only.

HP

DesignJet 1050C/1055CM

Large-Format Printers

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HP manual DesignJet 1050C/1055CM

Contents

DesignJet 1050C/1055CM Large-Format PrintersSafety Symbols DesignJet 1050C/1055CM Readership Part Numbers Using this ManualPurpose ConventionsTable of Contents System Error Codes Service Tests and Utilities Print Quality Parts and Diagrams Preventive Maintenance Glossary Index Table of Contents Troubleshooting1 When reporting the System Error Code, make sure that you Guide to Troubleshooting the PrinterTroubleshooting System Error Codes IntroductionPerforming the Necessary Service Calibrations Performing a Service Test on a Failed AssemblySolving Image Quality Problems Troubleshooting Printer does not Power on ALL the Front-Panel LEDs are Lit but Nothing Else HappensPrinter Continuously Rejects Printheads Line Sensor has Problems Detecting MediaCover Sensors are not Working Troubleshooting Media Jams/Printhead Crashes Troubleshooting ShutdownsAttempting any procedures to resolve the problem Problem as explained as followsEach case, make sure that you power OFF the printer before Printhead Cleaner PathVacuum suction much lower at high altitudes Problems with the Vacuum FanBin marks on prints done on HP High Gloss media Troubleshooting HP-GL/2 color differences in different HP DesignJet Printers Banding at variable extreme environmental conditions Banding due to Ink Cartridge replacement while printingLong term bleed and hue shift on HP High Gloss media Rice Paper not supported Media is causing the problem and not the Printer. Do notCut Sheet rice paper loading failure Front Panel Keeps Indicating that Media Is Misaligned or Solving Media-Handling ProblemsMedia may be loaded at an angle, causing the media to be Incorrectly PositionedPanel Menu HP DesignJets 1050CImage Quality On, Off 7586, HP-GL/2 Utilities How to Print the Service Configuration Print Service Configuration PrintPress Enter How to Use the Service Configuration Print Sample of the Service Configuration Print Troubleshooting System Error Codes System Error Codes Continuable and Non-Continuable Error Codes01002D Non-Continuable Non-ContinuableTry the following Calibrations BackupMemory Dram Dimm Test failure Make sure that you select Electronics Module Replaced when010040 010042 ProblemError in Paper-axis Motor Encoder EIO Accessories EIO Card/Hard Disk Drive Error 04CxxxOne of the Printheads has an Internal Electrical Problem 060301Problem with setting the Voltage of the Printheads 06030906030B 09xxxx Non-Continuable 0A0000 Air Pressure is below the minimum requirement0A0020 Error in Calibrating the APS SensorProblem in Depressurizing Air System 0A00300A0050 Non-Continuable 0A0070 Continuable ProblemDrop Detector not Calibrated for all Printheads System Error Codes During Initialization 0B0004 Unable to detect Pump0B0007 Unable to detect Vacuum Fan0B0009 Unable to detect Aerosol Fan Included on the Right Cover0B000B Pump or Pressure Sensor not workingHP No.80 Ink Supplies Troubleshooting What are HP No.80 Supplies? Printheads and Printhead CleanersInk Cartridges Identifying the Components General Information About HP No.80 Supplies Some General Precautions When Handling HP No.80 Supplies Priming the Ink System When Should You Replace the HP No.80 Supplies?Show the Wrong Model message Front Panel Display Printing Monitor QualityObtaining Ink Cartridge Information ReadyObtaining Printhead Information Cyan printhead info HP No.80 printhead Ink Cartridge Status Messages Ink Cartridge Status While PrintingInk Cartridge Status While Replacing Main actions for all 4 status messages is as followsPrinthead Status Messages While Printing Refer to page 3-9,Obtaining Printhead InformationCarriage Assembly is faulty Front panel displays Ready/Replace Draft Normal BestInsert, it is possible that the Carriage Assembly is faulty Printhead Status Messages While ReplacingGenuine HP No.80 Printhead Carriage during the priming process, they will be rejected Summary of Solving HP No.80 Supplies ProblemsFront panel will show the Wrong Model message Carriage Interconnect Wiper This can damage the printhead and reduce print qualityService Tests Utilities Introduction Diagnostics Self TestInitialization Sequences Must power OFF the Printer and Power on again before Service Tests DiagnosticsService Tests work in a special Mode which does not Trying to printOrder to enter the Service Utility Menu, please refer to Entering the Service Tests MenuInstructions on Electronic Systems Make Selection Electronics Failure Dram Test FailureYou will be able to determine exactly which component failed Carriage Test Failure EIO Card If this Test PASSES, do not Replace the EIO Card Hard Disk Drive Following message will appear on the front panel Service Tests and UtilitiesCheck that the Hard Disk Drive is actually installed before Test will of course always failInk Pressure System Tubes System Failure APS Test FailureService Tests and Utilities Appear on the front panel Scan Axis Perform this test with the Printheads and the Tubes SystemMax. PWM Service Tests and Utilities Paper Axis Make sure you perform this test with no media loadedMax PWM Avg PWM Max PWM C Avg PWM C Drop Detector Following step, make sure you do not drop the piece Paper inside the Drop DetectorIf this Test PASSES, do not Replace the Drop Service Utilities Entering the Service Utilities Menu Enter Service Utilities again Make sure that there is enough ink remaining in the Ink New Tubes System has been installedTubes Purge Enough ink remaining, you will get a warning messagePrinter will then begin to purge the tubes system Lift window to replace Setup printheads Backup the Eerom Data from the Electronics Module. Make Perform the Calibrations Backup ⇒ Page 5-19 in order toSure you select Tubes Replaced when performing Release Info Set Asian PS Fonts Cancel System and the Electronics Module have been replaced at Printer Model TypeSame time Printer model type selection done Overdrive Cleaning Roller and Roller Mark in order to clean themEerom Utilities If you want to Test the EeromDisplayed on the front panel If you want to Clear the EeromOnce the Eerom has been cleared, the following message will Be displayed on the front panelFacility on or OFF Printhead CheckMake Selection Default Baudrate for serial communication is Mon. Mode Baud SelChange Baudrate Service Calibrations Service Calibrations Refer to the following page for the relevant CalibrationService Calibrations This Calibration is no Longer RequiredEntering the Service Calibrations Menu You will not be able to access the Service Tools submenuService Calibrations Accuracy Calibration Media apart from HP High Gloss Photo PaperDo not use any other type of media apart from HP High Gloss Photo PaperMeasuring Make sure you load HP Coated media in to the Printer before Line SensorPerforming this calibration Calibrating line sensor Please wait Service Station Apart from HP Coated or HP High Gloss Photo PaperPress Enter to continue Roller Mark Position Make sure that you unload the media from the Printer beforeRoller mark position calibrated Press Enter to continue Service Calibrations Pen to Paper SpacingUse any other type of media apart from HP Coated or HP High Color to Color calibrationMake sure that you load E/A0 size HP High Gloss Photo Paper Gloss Photo PaperFrom HP Coated or HP High Gloss Photo Paper Make sure that you press Form Feed and Cut when you haveMedia roll If the calibration pattern is bad Calibrations Backup If the Electronics Module was replacedIf the Tubes System was replaced Tubes System Has been replaced? Make sure you load media before performing this calibration Pen AlignmentDo not use Clear Film, Vellum or Natural Tracing Paper Do not use Clear Film, Vellum or Natural Tracing Paper Carriage Height Calibration Procedure should be carried out using the Carriage HeightAssembly or Center Platen Assembly Tool See below that came with the new CarriageAssembly has to be moved along the length of the printer for With the carriage itself See belowService Calibrations Service Calibrations Service Calibrations Service Calibrations Service Calibrations Service Calibrations Service Calibrations Print Quality Print Quality Troubleshooting Checklist Print QualityPhoto Paper when performing the Accuracy Calibration Print ModesConsiderations for Printing the Print Quality Test How to Use the Print Quality TestWhat is the Print Quality Test? Printing the Print Quality TestUtilities Test Prints Nozzle Print Test Print Quality How to fix the Nozzle DefectsColor Alignment Print Test Affects mostly Normal and Draft modesSolving the Color Alignment Problem Overall Print Quality Test in Best mode What is Banding?Solving the Banding Problem Test pattern in all the primary and secondary color columns Service Accuracy Calibration Aligning the PrintheadsTroubleshooting Print Quality Problems Problems with Stepped LinesProblems with printing lines Problems with Color-to-Color Alignment Print Quality Go to the Printer submenu and press Enter Problems with Horizontal Lines Banding Go to the printer submenu and press Enter Accuracy Recalibrate Possible combinations with this problem are What to Configure No Printing Defects Found in the Print Quality TestColor Consistency problems Solving Color Accuracy problemsLong Term Color Bleeding Glossy Papers Color Accuracy Configuration Setting Description SelectionTo the User’s Guide or the Media Guide for the HP Designjet MediaThere are Smears or Scratching on the Printed Media PrintersParts and Diagrams Printer Support Printer Support Rear Covers Rear Covers Electronics Module Dram Dimm 64MBElectronics Module Right Hand Cover Right Hand Cover Left Hand Cover and Window Left Hand Cover and Window Right Hand Assemblies Right Hand Assembly ISS and APS Assembly Ink Supply Station Clutch Assembly Clutch Assembly Carriage Assembly Carriage Assembly Scan-Axis Assemblies Scan-Axis Assemblies Drive Roller and Arss Miscellaneous Parts Items 1 and 3 are not orderable separately. These parts areDrive Roller and Arss Miscellaneous Parts Paper Path Assemblies Paper Path Assemblies Pinch Assembly Pinch Assembly Drive Roller Assemblies Drive Roller Assemblies Center Guide and Media Sensor Center Guide and Media Sensor Tubes Guide Assemblies SRK Tubes Guide Assemblies Ordering Accessories Quick Reference GuideColor Printheads and Printhead Cleaners Parts and Diagrams Removal and Installation Safety Precautions IntroductionElectrostatic Discharge ESD Precautions Required ToolsRight Hand Cover RemovalRight Cover Front Panel Assembly Installation of the Right Hand CoverRight Hand Trim and Window Switch Service Station Assembly Service Station ⇒ Color to Color Calibration ⇒ Drop Detector Assembly Drop Detector AssemblySwitch off the printer and remove the power cord Vacuum FanInstallation of the Paper-Axis Motor Assembly Paper-axis Motor AssemblyYou must perform the Accuracy Calibration ⇒ Page 5-6 after Left Hand Cover Left Hand CoverTube Grip Ink Cartridge Tube Connector pulled back Air Tube Been removed Remove the left hand cover item 3 from the printerLeft Hand Trim Assembly Left Hand TrimInk Supply Station Assembly ISS Working from the rear of the printerInstallation of the Air Pressurization System APS Air Pressurization System APSFrom steps 2 to 5, refer to Figure Clutch Assembly and left hand miscellaneous partsNext step the assembly is spring loaded and when One hand to avoid loosing partsFor the following steps, refer to Figure Tail Deflectors and Rear Platen Left and Right Rear Covers For steps 2 to 7, refer to Figure Be very careful when disconnecting the Trailing Cable fromCable and then it will need replacing For the following steps, refer to Figure When reconnecting the Trailing Cable to the Electronics Installation of the Electronics ModuleRemoval and Installation Module, make sure you connect it correctly as followsAfter the installation of the Electronics Module Media Sensor Window WindowTop Cover Top CoverBack Cover Back CoverScan-axisMotor Assembly Scan-axis Motor AssemblyEncoder Strip Encoder StripFor steps 4 and 5, refer to Figure Clip item 2 in towards the middle of the printerC607411 Tensioner Assembly TensionerFor steps 4 to 6, refer to Figure Trailing Cable For steps 2 to 5, refer to FigureInstallation of the Trailing Cable C607440 Cutter Assembly Cutter AssemblyFor steps 3 and 4, refer to Figure Carriage Assembly and Belt Carriage Assembly and BeltFor steps 3 and 4, refer to Figure For steps 6 to 8, refer to Figure C607415 For steps 11 and 12, refer to Figure For steps 13 to 15, refer to Figure With a spring item 2. When removing the carriage assembly Rear bushing item 1 on the carriage assembly is tensionedItem 3 hold the rear bushing on the carriage assembly Installation of the Carriage Assembly Please take note of the following steps when installingYou must perform the following Service Calibrations after Installation of the Carriage AssemblyTubes System Assembly Printhead Tube Connector Removal Working from the rear of the printer Latches Ink Cartridge Tube Connector Cable Ink Cartridge Tube Connector pulled out Restarting the printer Ink Leak Detector Assembly Leak Detector Cable Front Platen Assembly Platen Assembly Installation of the Platen AssemblyPaper Entry Assembly Entry RollerLinkage Rod Roller Guide Platen MountsLeft Electronic Module Mount For the following steps refer to Figure Media Holder Strip Media Holder StripInstallation of the Drive Roller Drive RollerCenter Guide Left Hand Center Guide ScrewsSupporting the center guide in place For re-installation purposes, note the position of the pinsWorking from the front of the printer Pinch-Wheel Assembly and Cam Pinch Wheel CamAssemblies item 2 to the underneath of the scan axis For steps 3 and 4 refer to FigureRemove the twelve T-15 screws item 1 securing the pinch-arm Screws also secure the pinch-wheel cam to the printerPreventive Maintenance Preventive Maintenance Scheduled Maintenance Cleaning the OverdriveLevel of Printer Usage Preventive Maintenance Kit Part Number C6072-60143 Scan-axis MaintenanceMaintenance Advised Most important parts to keep clean are the upperFunctional Overview HP DesignJet 1055CM printer HP DesignJet 1050C PrinterElectrical System Power Supply Unit PSU Voltage Maximum Output SystemsPrinter Cancel and Form Feed and Cut Soft Power-Off SwitchFront Panel Ink Delivery System IDS Ink Supply Station ISSTubes System Air Pressurization System APS Ink Level Sense ILSLeak Detect System LDS Service Station Print Head Cleaner PHCWiper CapSpittoon Snout Wiper Handle and Printable LabelPrinter Specifications Functional Specifications10-13 Temperature it may stop to protect its ink systems At 3000m altitude the printer may have operational problems10-15 Printable Area Ansi paperInterface Specifications For manufacturing purposes only and cannot be used to printElectro-Magnetic Compatibility EMC To Obtain a Material Safety Data Sheet Msds SoundRegulatory Notices LpA 70 dB, am Arbeitsplatz, im Normalbetrieb, nach DINFCC How to Identify and Resolve Radio-TV Interference 10-20 10-21 Declaration of Conformity 10-23 10-24 Application DefaultAnsi size CentronicsInked area Matte MarginInput/output MediaPlaten RasterPen Printing areaGlossary Index Page Page Page Page Index Index-6 About this Edition DesignJet 1050C/1055CM