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HP 1055CM manual Top Cover

Models: 1055CM

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	Removal and Installation

Top Cover
	Refer to Figure 27.
	Removal
	Switch off the printer and remove the power cord.
WARNING	Switch off the printer and remove the power cord.

1.Remove one T-15 screw Item 1) from the front of the top cover (item 2).

2.Remove five T-15 screws (item 3) from the rear of the top cover.

3.The top cover (Item 2) can now be released from retaining clips and then removed.

1

3

2

C607405

Figure 27: Top Cover

HP DesignJets 1050C and 1055CM Printers Service Manual

8-31

Image 239

HP 1055CM manual Top Cover

Contents

Large-Format Printers DesignJet 1050C/1055CMSafety Symbols DesignJet 1050C/1055CM Conventions Using this ManualPurpose Readership Part NumbersTable of Contents System Error Codes Service Tests and Utilities Print Quality Parts and Diagrams Preventive Maintenance Glossary Index Table of Contents Troubleshooting1 Introduction Guide to Troubleshooting the PrinterTroubleshooting System Error Codes When reporting the System Error Code, make sure that youSolving Image Quality Problems Performing a Service Test on a Failed AssemblyPerforming the Necessary Service Calibrations Troubleshooting ALL the Front-Panel LEDs are Lit but Nothing Else Happens Printer does not Power onCover Sensors are not Working Line Sensor has Problems Detecting MediaPrinter Continuously Rejects Printheads Troubleshooting Shutdowns Troubleshooting Media Jams/Printhead CrashesPrinthead Cleaner Path Problem as explained as followsEach case, make sure that you power OFF the printer before Attempting any procedures to resolve the problemBin marks on prints done on HP High Gloss media Problems with the Vacuum FanVacuum suction much lower at high altitudes Troubleshooting HP-GL/2 color differences in different HP DesignJet Printers Long term bleed and hue shift on HP High Gloss media Banding due to Ink Cartridge replacement while printingBanding at variable extreme environmental conditions Cut Sheet rice paper loading failure Media is causing the problem and not the Printer. Do notRice Paper not supported Incorrectly Positioned Solving Media-Handling ProblemsMedia may be loaded at an angle, causing the media to be Front Panel Keeps Indicating that Media Is Misaligned orHP DesignJets 1050C Panel MenuImage Quality On, Off 7586, HP-GL/2 Utilities Press Enter Service Configuration PrintHow to Print the Service Configuration Print How to Use the Service Configuration Print Sample of the Service Configuration Print Troubleshooting System Error Codes Continuable and Non-Continuable Error Codes System Error CodesNon-Continuable 01002D Non-ContinuableMake sure that you select Electronics Module Replaced when Calibrations BackupMemory Dram Dimm Test failure Try the following010040 010042 ProblemError in Paper-axis Motor Encoder 04Cxxx EIO Accessories EIO Card/Hard Disk Drive Error060301 One of the Printheads has an Internal Electrical Problem060309 Problem with setting the Voltage of the Printheads06030B 09xxxx Non-Continuable Air Pressure is below the minimum requirement 0A00000A0030 Error in Calibrating the APS SensorProblem in Depressurizing Air System 0A00200A0050 Non-Continuable 0A0070 Continuable ProblemDrop Detector not Calibrated for all Printheads System Error Codes During Initialization Unable to detect Pump 0B0004Unable to detect Vacuum Fan 0B0007Unable to detect Aerosol Fan Included on the Right Cover 0B0009Pump or Pressure Sensor not working 0B000BHP No.80 Ink Supplies Troubleshooting Ink Cartridges Printheads and Printhead CleanersWhat are HP No.80 Supplies? Identifying the Components General Information About HP No.80 Supplies Some General Precautions When Handling HP No.80 Supplies Show the Wrong Model message When Should You Replace the HP No.80 Supplies?Priming the Ink System Printing Monitor Quality Front Panel DisplayReady Obtaining Ink Cartridge InformationObtaining Printhead Information Cyan printhead info HP No.80 printhead Ink Cartridge Status While Printing Ink Cartridge Status MessagesMain actions for all 4 status messages is as follows Ink Cartridge Status While ReplacingRefer to page 3-9,Obtaining Printhead Information Printhead Status Messages While PrintingFront panel displays Ready/Replace Draft Normal Best Carriage Assembly is faultyPrinthead Status Messages While Replacing Insert, it is possible that the Carriage Assembly is faultyGenuine HP No.80 Printhead Front panel will show the Wrong Model message Summary of Solving HP No.80 Supplies ProblemsCarriage during the priming process, they will be rejected This can damage the printhead and reduce print quality Carriage Interconnect WiperService Tests Utilities Initialization Sequences Diagnostics Self TestIntroduction Trying to print Service Tests DiagnosticsService Tests work in a special Mode which does not Must power OFF the Printer and Power on again beforeInstructions on Entering the Service Tests MenuOrder to enter the Service Utility Menu, please refer to Electronic Systems Make Selection Dram Test Failure Electronics 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 Test will of course always fail Service Tests and UtilitiesCheck that the Hard Disk Drive is actually installed before Following message will appear on the front panelInk Pressure System APS Test Failure Tubes System FailureService Tests and Utilities Appear on the front panel Perform this test with the Printheads and the Tubes System Scan AxisMax. PWM Service Tests and Utilities Make sure you perform this test with no media loaded Paper AxisMax PWM Avg PWM Max PWM C Avg PWM C Drop Detector Paper inside the Drop Detector Following step, make sure you do not drop the pieceIf this Test PASSES, do not Replace the Drop Service Utilities Entering the Service Utilities Menu Enter Service Utilities again Enough ink remaining, you will get a warning message New Tubes System has been installedTubes Purge Make sure that there is enough ink remaining in the InkPrinter will then begin to purge the tubes system Lift window to replace Setup printheads Sure you select Tubes Replaced when performing Perform the Calibrations Backup ⇒ Page 5-19 in order toBackup the Eerom Data from the Electronics Module. Make Release Info Set Asian PS Fonts Cancel Same time Printer Model TypeSystem and the Electronics Module have been replaced at Printer model type selection done Roller and Roller Mark in order to clean them Overdrive CleaningIf you want to Test the Eerom Eerom UtilitiesIf you want to Clear the Eerom Displayed on the front panelBe displayed on the front panel Once the Eerom has been cleared, the following message willMake Selection Printhead CheckFacility on or OFF Change Baudrate Mon. Mode Baud SelDefault Baudrate for serial communication is Service Calibrations Refer to the following page for the relevant Calibration Service CalibrationsThis Calibration is no Longer Required Service CalibrationsYou will not be able to access the Service Tools submenu Entering the Service Calibrations MenuService Calibrations Media apart from HP High Gloss Photo Paper Accuracy CalibrationPhoto Paper Do not use any other type of media apart from HP High GlossMeasuring Performing this calibration Line SensorMake sure you load HP Coated media in to the Printer before Calibrating line sensor Please wait Apart from HP Coated or HP High Gloss Photo Paper Service StationPress Enter to continue Make sure that you unload the media from the Printer before Roller Mark PositionRoller mark position calibrated Press Enter to continue Pen to Paper Spacing Service CalibrationsGloss Photo Paper Color to Color calibrationMake sure that you load E/A0 size HP High Gloss Photo Paper Use any other type of media apart from HP Coated or HP HighMedia roll Make sure that you press Form Feed and Cut when you haveFrom HP Coated or HP High Gloss Photo Paper If the calibration pattern is bad If the Electronics Module was replaced Calibrations BackupIf the Tubes System was replaced Tubes System Has been replaced? Do not use Clear Film, Vellum or Natural Tracing Paper Pen AlignmentMake sure you load media before performing this calibration Do not use Clear Film, Vellum or Natural Tracing Paper Tool See below that came with the new Carriage Procedure should be carried out using the Carriage HeightAssembly or Center Platen Assembly Carriage Height CalibrationWith the carriage itself See below Assembly has to be moved along the length of the printer forService Calibrations Service Calibrations Service Calibrations Service Calibrations Service Calibrations Service Calibrations Service Calibrations Print Quality Print Quality Print Quality Troubleshooting ChecklistPrint Modes Photo Paper when performing the Accuracy CalibrationPrinting the Print Quality Test How to Use the Print Quality TestWhat is the Print Quality Test? Considerations for Printing the Print Quality TestUtilities Test Prints Nozzle Print Test Affects mostly Normal and Draft modes How to fix the Nozzle DefectsColor Alignment Print Test Print QualitySolving the Color Alignment Problem What is Banding? Overall Print Quality Test in Best modeSolving the Banding Problem Test pattern in all the primary and secondary color columns Aligning the Printheads Service Accuracy CalibrationProblems with Stepped Lines Troubleshooting Print Quality ProblemsProblems 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 No Printing Defects Found in the Print Quality Test What to ConfigureLong Term Color Bleeding Glossy Papers Solving Color Accuracy problemsColor Consistency problems Setting Description Selection Color Accuracy ConfigurationPrinters MediaThere are Smears or Scratching on the Printed Media To the User’s Guide or the Media Guide for the HP DesignjetParts and Diagrams Printer Support Printer Support Rear Covers Rear Covers Dram Dimm 64MB Electronics ModuleElectronics 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 Items 1 and 3 are not orderable separately. These parts are Drive Roller and Arss Miscellaneous PartsDrive 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 Quick Reference Guide Ordering AccessoriesColor Printheads and Printhead Cleaners Parts and Diagrams Removal and Installation Introduction Safety PrecautionsRequired Tools Electrostatic Discharge ESD PrecautionsRemoval Right Hand CoverRight Cover Installation of the Right Hand Cover Front Panel AssemblyRight Hand Trim and Window Switch Service Station Assembly Service Station ⇒ Color to Color Calibration ⇒ Drop Detector Assembly Drop Detector AssemblyVacuum Fan Switch off the printer and remove the power cordYou must perform the Accuracy Calibration ⇒ Page 5-6 after Paper-axis Motor AssemblyInstallation of the Paper-Axis Motor Assembly Left Hand Cover Left Hand CoverTube Grip Ink Cartridge Tube Connector pulled back Air Tube Remove the left hand cover item 3 from the printer Been removedLeft Hand Trim Left Hand Trim AssemblyWorking from the rear of the printer Ink Supply Station Assembly ISSAir Pressurization System APS Installation of the Air Pressurization System APSOne hand to avoid loosing parts Clutch Assembly and left hand miscellaneous partsNext step the assembly is spring loaded and when From steps 2 to 5, refer to FigureFor the following steps, refer to Figure Tail Deflectors and Rear Platen Left and Right Rear Covers Cable and then it will need replacing Be very careful when disconnecting the Trailing Cable fromFor steps 2 to 7, refer to Figure For the following steps, refer to Figure Module, make sure you connect it correctly as follows Installation of the Electronics ModuleRemoval and Installation When reconnecting the Trailing Cable to the ElectronicsAfter the installation of the Electronics Module Media Sensor Window WindowTop Cover Top CoverBack Cover Back CoverScan-axis Motor Assembly Scan-axisMotor AssemblyEncoder Strip Encoder StripClip item 2 in towards the middle of the printer For steps 4 and 5, refer to FigureC607411 Tensioner Tensioner AssemblyFor steps 4 to 6, refer to Figure For steps 2 to 5, refer to Figure Trailing CableInstallation 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 Item 3 hold the rear bushing on the carriage assembly Rear bushing item 1 on the carriage assembly is tensionedWith a spring item 2. When removing the carriage assembly Please take note of the following steps when installing Installation of the Carriage AssemblyInstallation of the Carriage Assembly You must perform the following Service Calibrations afterTubes 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 Installation of the Platen Assembly Platen AssemblyEntry Roller Paper Entry AssemblyLinkage Rod Platen Mounts Roller GuideLeft Electronic Module Mount For the following steps refer to Figure Media Holder Strip Media Holder StripDrive Roller Installation of the Drive RollerLeft Hand Center Guide Screws Center GuideWorking from the front of the printer For re-installation purposes, note the position of the pinsSupporting the center guide in place Pinch Wheel Cam Pinch-Wheel Assembly and CamScrews also secure the pinch-wheel cam to the printer For steps 3 and 4 refer to FigureRemove the twelve T-15 screws item 1 securing the pinch-arm Assemblies item 2 to the underneath of the scan axisPreventive Maintenance Preventive Maintenance Level of Printer Usage Cleaning the OverdriveScheduled Maintenance Most important parts to keep clean are the upper Scan-axis MaintenanceMaintenance Advised Preventive Maintenance Kit Part Number C6072-60143Functional Overview Electrical System HP DesignJet 1050C PrinterHP DesignJet 1055CM printer Voltage Maximum Output Systems Power Supply Unit PSUFront Panel Soft Power-Off SwitchPrinter Cancel and Form Feed and Cut Ink Supply Station ISS Ink Delivery System IDSTubes System Ink Level Sense ILS Air Pressurization System APSLeak Detect System LDS Print Head Cleaner PHC Service StationSpittoon CapWiper Handle and Printable Label Snout WiperFunctional Specifications Printer Specifications10-13 At 3000m altitude the printer may have operational problems Temperature it may stop to protect its ink systems10-15 Ansi paper Printable AreaFor manufacturing purposes only and cannot be used to print Interface SpecificationsLpA 70 dB, am Arbeitsplatz, im Normalbetrieb, nach DIN To Obtain a Material Safety Data Sheet Msds SoundRegulatory Notices Electro-Magnetic Compatibility EMCFCC How to Identify and Resolve Radio-TV Interference 10-20 10-21 Declaration of Conformity 10-23 10-24 Centronics DefaultAnsi size ApplicationMedia MarginInput/output Inked area MattePrinting area RasterPen PlatenGlossary Index Page Page Page Page Index Index-6 About this Edition DesignJet 1050C/1055CM