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Summary
Page 3 - Service Manual
1 Service Manual DesignJet 1050C/1055CM HP Large-Format Printers
Page 4 - Using this Manual
2 HP DesignJets 1050C and 1055CM Printers Service Manual Using this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: n HP DesignJet 1050C Printer (Model C6074A) n HP DesignJet 1055CM Printer (Model C6075A) For information about using these printers, r...
Page 5 - Table of Contents
Table of Contents 3 HP DesignJets 1050C and 1055CM Printers Service Manual Table of Contents 1 Troubleshooting 1-1 Introduction 1-2Troubleshooting System Error Codes 1-2Performing a Service Test on a Failed Assembly 1-3Performing the Necessary Service Calibrations 1-3Solving Image Quality Problems 1...
Page 6 - System Error Codes 2-1
Table of Contents 4 HP DesignJets 1050C and 1055CM Printers Service Manual System Error Codes 2-1 Introduction 2-2Continuable and Non-Continuable Error Codes 2-2System Error Codes During Initialization 2-18 HP No.80 Ink Supplies Troubleshooting 3-1 What are HP No.80 Supplies? 3-2Ink Cartridges 3-2Pr...
Page 7 - Service Tests and Utilities 4-1
Table of Contents 5 HP DesignJets 1050C and 1055CM Printers Service Manual Service Tests and Utilities 4-1 Service Tests (Diagnostics) 4-3Entering the Service Tests Menu 4-41. Electronic Systems 4-52. EIO Card 4-103. Hard Disk Drive 4-124. Ink Pressure System 4-145. Scan Axis 4-176. Paper Axis 4-207...
Page 9 - Parts and Diagrams 7-1
Table of Contents 7 HP DesignJets 1050C and 1055CM Printers Service Manual Parts and Diagrams 7-1 Printer Support 7-2Rear Covers 7-4Electronics Module 7-6Right Hand Cover 7-8Left Hand Cover and Window 7-10Right Hand Assemblies 7-12ISS and APS Assembly 7-14Clutch Assembly 7-16Carriage Assembly 7-18Sc...
Page 10 - Preventive Maintenance 9-1
Table of Contents 8 HP DesignJets 1050C and 1055CM Printers Service Manual Electronics Module 8-25Media Sensor 8-29Window 8-30Top Cover 8-31Back Cover 8-32Scan-axis Motor Assembly 8-33Encoder Strip 8-34Tensioner 8-37Trailing Cable 8-39Cutter Assembly 8-42Carriage Assembly and Belt 8-44Tubes System A...
Page 11 - Functional Overview 10-1
Table of Contents 9 HP DesignJets 1050C and 1055CM Printers Service Manual Functional Overview 10-1 Introduction 10-2HP DesignJet 1050C Printer 10-2HP DesignJet 1055CM printer 10-2Electrical System 10-2Power Supply Unit (PSU) 10-3Soft Power-Off Switch 10-4Front Panel 10-4Ink Delivery System (IDS) 10...