Service Manual
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... information related to the corresponding User and Quick Reference Guides. Using this Service Manual are located in Chapter 7. Readership The procedures described in 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, refer to the topic you are consulting. 2 HP DesignJets 1050C and 1055CM Printers Service Manual
... information related to the corresponding User and Quick Reference Guides. Using this Service Manual are located in Chapter 7. Readership The procedures described in 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, refer to the topic you are consulting. 2 HP DesignJets 1050C and 1055CM Printers Service Manual
Service Manual
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... stacking prints done on HP High Gloss Media 1-10 HP-GL/2 color differences in different HP DesignJet Printers 1-11 Scratches on prints done on NTP, Vellum and HP High Gloss media 1-11 Banding at variable extreme environmental conditions 1-12 Banding due to Navigate through the Front-Panel Menu 1-15 Service Configuration Print 1-19 HP DesignJets 1050C and 1055CM Printers Service Manual 3 Table of Contents...
... stacking prints done on HP High Gloss Media 1-10 HP-GL/2 color differences in different HP DesignJet Printers 1-11 Scratches on prints done on NTP, Vellum and HP High Gloss media 1-11 Banding at variable extreme environmental conditions 1-12 Banding due to Navigate through the Front-Panel Menu 1-15 Service Configuration Print 1-19 HP DesignJets 1050C and 1055CM Printers Service Manual 3 Table of Contents...
Service Manual
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...Ink Cartridges 3-2 Printheads and Printhead Cleaners 3-2 Identifying the Components 3-3 General Information About HP No.80 Supplies 3-4 Some General Precautions When Handling HP No.80 Supplies 3-5 Priming the Ink System 3-6 When Should You Replace the HP No.80 Supplies? 3-6 The Front Panel Display 3-7 Obtaining Ink Cartridge Information 3-8 ...Replacing 3-12 Printhead Status Messages While Printing 3-13 Printhead Status Messages While Replacing 3-15 Summary of Solving HP No.80 Supplies Problems 3-17 Carriage Interconnect Wiper 3-18 4 HP DesignJets 1050C and 1055CM Printers Service Manual
...Ink Cartridges 3-2 Printheads and Printhead Cleaners 3-2 Identifying the Components 3-3 General Information About HP No.80 Supplies 3-4 Some General Precautions When Handling HP No.80 Supplies 3-5 Priming the Ink System 3-6 When Should You Replace the HP No.80 Supplies? 3-6 The Front Panel Display 3-7 Obtaining Ink Cartridge Information 3-8 ...Replacing 3-12 Printhead Status Messages While Printing 3-13 Printhead Status Messages While Replacing 3-15 Summary of Solving HP No.80 Supplies Problems 3-17 Carriage Interconnect Wiper 3-18 4 HP DesignJets 1050C and 1055CM Printers Service Manual
Service Manual
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... 5-4 1. Calibrations Backup 5-19 8. EEROM Utilities 4-38 7. Printhead Check 4-41 8. Mon. Color to Paper Spacing 5-15 6. Scan Axis 4-17 6. Table of Contents Service Tests and Utilities 4-1 Service Tests (Diagnostics) 4-3 Entering the Service Tests Menu 4-4 1. Line Sensor 5-9 3. Pen Alignment 5-22 Carriage Height Calibration 5-24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 Release Info 4-32 3. Accuracy Calibration 5-6 2. Electronic Systems 4-5 2. Tubes Purge 4-28...
... 5-4 1. Calibrations Backup 5-19 8. EEROM Utilities 4-38 7. Printhead Check 4-41 8. Mon. Color to Paper Spacing 5-15 6. Scan Axis 4-17 6. Table of Contents Service Tests and Utilities 4-1 Service Tests (Diagnostics) 4-3 Entering the Service Tests Menu 4-4 1. Line Sensor 5-9 3. Pen Alignment 5-22 Carriage Height Calibration 5-24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 Release Info 4-32 3. Accuracy Calibration 5-6 2. Electronic Systems 4-5 2. Tubes Purge 4-28...
Service Manual
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... 6-12 Service Accuracy Calibration 6-12 Troubleshooting Print Quality Problems 6-13 Problems with Stepped Lines 6-13 Problems with printing lines 6-14 Problems with Color-to-Color Alignment 6-...15 Problems with Horizontal Lines (Banding) 6-17 No Printing Defects Found in the Print Quality Test 6-21 Solving Color Accuracy problems 6-22 Color Consistency problems 6-22 Long Term Color Bleeding (Glossy Papers) 6-22 Color Accuracy Configuration 6-23 Media 6-24 There are Smears or Scratching on the Printed Media 6-24 6 HP DesignJets 1050C and 1055CM Printers Service Manual
... 6-12 Service Accuracy Calibration 6-12 Troubleshooting Print Quality Problems 6-13 Problems with Stepped Lines 6-13 Problems with printing lines 6-14 Problems with Color-to-Color Alignment 6-...15 Problems with Horizontal Lines (Banding) 6-17 No Printing Defects Found in the Print Quality Test 6-21 Solving Color Accuracy problems 6-22 Color Consistency problems 6-22 Long Term Color Bleeding (Glossy Papers) 6-22 Color Accuracy Configuration 6-23 Media 6-24 There are Smears or Scratching on the Printed Media 6-24 6 HP DesignJets 1050C and 1055CM Printers Service Manual
Service Manual
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... Removal and Installation 8-1 Introduction 8-2 Safety Precautions 8-2 Electrostatic Discharge (ESD) Precautions 8-3 Required Tools 8-3 Right Hand Cover 8-4 Front Panel Assembly 8-6 Right Hand Trim and Window Switch 8-7 Service Station Assembly 8-8 Drop Detector Assembly 8-10 Vacuum Fan 8-11 Paper-axis Motor Assembly 8-12 Left Hand Cover 8-13 Left Hand Trim Assembly 8-18 Ink Supply... Pressurization System (APS) 8-20 Clutch Assembly and left hand miscellaneous parts 8-21 Tail Deflectors and Rear Platen 8-23 Left and Right Rear Covers 8-24 HP DesignJets 1050C and 1055CM Printers Service Manual 7
... Removal and Installation 8-1 Introduction 8-2 Safety Precautions 8-2 Electrostatic Discharge (ESD) Precautions 8-3 Required Tools 8-3 Right Hand Cover 8-4 Front Panel Assembly 8-6 Right Hand Trim and Window Switch 8-7 Service Station Assembly 8-8 Drop Detector Assembly 8-10 Vacuum Fan 8-11 Paper-axis Motor Assembly 8-12 Left Hand Cover 8-13 Left Hand Trim Assembly 8-18 Ink Supply... Pressurization System (APS) 8-20 Clutch Assembly and left hand miscellaneous parts 8-21 Tail Deflectors and Rear Platen 8-23 Left and Right Rear Covers 8-24 HP DesignJets 1050C and 1055CM Printers Service Manual 7
Service Manual
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... 8-64 Roller Guide 8-66 Media Holder Strip 8-69 Drive Roller 8-70 Center Guide 8-71 Pinch-Wheel Assembly and Cam 8-73 Preventive Maintenance 9-1 Moisture on the Printer 9-2 Noisy Carriage Bushing 9-2 Belt Swelling 9-2 Cleaning the Printer 9-2 General Cleaning 9-2 Cleaning the Overdrive 9-3 Scheduled Maintenance 9-3 Level of Printer Usage 9-3 Scan-axis Maintenance 9-4 8 HP DesignJets 1050C and 1055CM Printers Service Manual
... 8-64 Roller Guide 8-66 Media Holder Strip 8-69 Drive Roller 8-70 Center Guide 8-71 Pinch-Wheel Assembly and Cam 8-73 Preventive Maintenance 9-1 Moisture on the Printer 9-2 Noisy Carriage Bushing 9-2 Belt Swelling 9-2 Cleaning the Printer 9-2 General Cleaning 9-2 Cleaning the Overdrive 9-3 Scheduled Maintenance 9-3 Level of Printer Usage 9-3 Scan-axis Maintenance 9-4 8 HP DesignJets 1050C and 1055CM Printers Service Manual
Service Manual
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...10-2 HP DesignJet 1050C Printer 10-2 HP DesignJet 1055CM printer 10-2 Electrical System 10-2 Power Supply Unit (PSU) 10-3 Soft Power-Off Switch 10-4 Front Panel 10-4 Ink Delivery System (IDS) 10-5 Ink Supply Station (ISS) 10-5 Tubes System 10-6 Air Pressurization System (APS) 10-7 Ink Level Sense (ILS) 10-7 Leak Detect System (LDS) 10-8 Service Station ...MSDS) 10-18 Sound 10-18 Electro-Magnetic Compatibility (EMC) 10-18 VCCI Class A and Class B (Japan) 10-21 Declaration of Conformity 10-22 www.designjet-online.hp.com 10-23 Glossary Index HP DesignJets 1050C and 1055CM Printers Service Manual 9
...10-2 HP DesignJet 1050C Printer 10-2 HP DesignJet 1055CM printer 10-2 Electrical System 10-2 Power Supply Unit (PSU) 10-3 Soft Power-Off Switch 10-4 Front Panel 10-4 Ink Delivery System (IDS) 10-5 Ink Supply Station (ISS) 10-5 Tubes System 10-6 Air Pressurization System (APS) 10-7 Ink Level Sense (ILS) 10-7 Leak Detect System (LDS) 10-8 Service Station ...MSDS) 10-18 Sound 10-18 Electro-Magnetic Compatibility (EMC) 10-18 VCCI Class A and Class B (Japan) 10-21 Declaration of Conformity 10-22 www.designjet-online.hp.com 10-23 Glossary Index HP DesignJets 1050C and 1055CM Printers Service Manual 9
Service Manual
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...to Navigate through the Front-Panel Menu 1-15 Service Configuration Print 1-19 HP DesignJets 1050C and 1055CM Printers Service Manual 1-1 Troubleshooting 11 Introduction 1-2 Troubleshooting System Error Codes 1-2 Performing a Service Test on a Failed Assembly 1-3 Performing the Necessary Service Calibrations 1-3 Solving Image Quality Problems 1-3 Front...Prints Using Coated Media 1-10 Color changes when stacking prints done on HP High Gloss Media 1-10 HP-GL/2 color differences in different HP DesignJet Printers 1-11 Scratches on prints done on NTP, Vellum and HP High Gloss media 1-11 Banding ...
...to Navigate through the Front-Panel Menu 1-15 Service Configuration Print 1-19 HP DesignJets 1050C and 1055CM Printers Service Manual 1-1 Troubleshooting 11 Introduction 1-2 Troubleshooting System Error Codes 1-2 Performing a Service Test on a Failed Assembly 1-3 Performing the Necessary Service Calibrations 1-3 Solving Image Quality Problems 1-3 Front...Prints Using Coated Media 1-10 Color changes when stacking prints done on HP High Gloss Media 1-10 HP-GL/2 color differences in different HP DesignJet Printers 1-11 Scratches on prints done on NTP, Vellum and HP High Gloss media 1-11 Banding ...
Service Manual
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... supply the full Error Code (including the last 8 numbers where applicable) and the firmware version. When reporting the System Error Code, make sure that you . 1-2 HP DesignJets 1050C and 1055CM Printers Service Manual Only try one recommended action at a time and check if the error code has disappeared. Troubleshooting Guide to Troubleshooting the...
... supply the full Error Code (including the last 8 numbers where applicable) and the firmware version. When reporting the System Error Code, make sure that you . 1-2 HP DesignJets 1050C and 1055CM Printers Service Manual Only try one recommended action at a time and check if the error code has disappeared. Troubleshooting Guide to Troubleshooting the...
Service Manual
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Remember that certain Calibrations are about to replace, just to another Assembly or Component. For information on the Service Calibrations and how to use them see Chapter 4 - HP DesignJets 1050C and 1055CM Printers Service Manual 1-3 Refer to the table on Page 5-2 to determine when a calibration is advisable to print the Image Quality Print to use them see Chapter...
Remember that certain Calibrations are about to replace, just to another Assembly or Component. For information on the Service Calibrations and how to use them see Chapter 4 - HP DesignJets 1050C and 1055CM Printers Service Manual 1-3 Refer to the table on Page 5-2 to determine when a calibration is advisable to print the Image Quality Print to use them see Chapter...
Service Manual
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... Electronics Module have been pinched between the cover and the sideplate. 1-4 HP DesignJets 1050C and 1055CM Printers Service Manual g Switch the Printer ON again h Check if the Printer functions correctly with the Network Card installed, switch the Printer OFF again. c If the Printer functions correctly now, switch the Printer OFF again and reinstall the Network Card correctly, making sure that the...
... Electronics Module have been pinched between the cover and the sideplate. 1-4 HP DesignJets 1050C and 1055CM Printers Service Manual g Switch the Printer ON again h Check if the Printer functions correctly with the Network Card installed, switch the Printer OFF again. c If the Printer functions correctly now, switch the Printer OFF again and reinstall the Network Card correctly, making sure that the...
Service Manual
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...of the DRAM DIMMs is Lit (and nothing else) and the "SELF TEST..." Troubleshooting The Printer does not Power ON 1 Check that the power cord is connected correctly to the Printer and to the Electronics Module. Reseat the Firmware DIMM (the first slot from the left) .... 4 Check that the Front-Panel Cable is NOT correctly installed. 1 Power OFF the Printer from the back and disconnect the power cord. If reseating the DRAM DIMMs does not solve the problem, replace them instead. Also make sure that it is not damaged. HP DesignJets 1050C and 1055CM Printers Service Manual 1-5
...of the DRAM DIMMs is Lit (and nothing else) and the "SELF TEST..." Troubleshooting The Printer does not Power ON 1 Check that the power cord is connected correctly to the Printer and to the Electronics Module. Reseat the Firmware DIMM (the first slot from the left) .... 4 Check that the Front-Panel Cable is NOT correctly installed. 1 Power OFF the Printer from the back and disconnect the power cord. If reseating the DRAM DIMMs does not solve the problem, replace them instead. Also make sure that it is not damaged. HP DesignJets 1050C and 1055CM Printers Service Manual 1-5
Service Manual
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...the faulty Sensor. Replace the Carriage Assembly ⇒ Page 8-44. 1-6 HP DesignJets 1050C and 1055CM Printers Service Manual Try loading white HP media in the Carriage Assembly using the Carriage Interconnect Wiper (Refer to the Printer and check if the Line sensor detects it. 2 Excessive ink deposits on...is damaged or faulty. Perform the Line Sensor calibration ⇒ Page 5-9. 4 The Line Sensor is not calibrated correctly. Troubleshooting The Printer Continuously Rejects Printheads 1 Clean the flex contacts on the Printhead and in to Chapter 3) and try again. 2 If ALL the ...
...the faulty Sensor. Replace the Carriage Assembly ⇒ Page 8-44. 1-6 HP DesignJets 1050C and 1055CM Printers Service Manual Try loading white HP media in the Carriage Assembly using the Carriage Interconnect Wiper (Refer to the Printer and check if the Line sensor detects it. 2 Excessive ink deposits on...is damaged or faulty. Perform the Line Sensor calibration ⇒ Page 5-9. 4 The Line Sensor is not calibrated correctly. Troubleshooting The Printer Continuously Rejects Printheads 1 Clean the flex contacts on the Printhead and in to Chapter 3) and try again. 2 If ALL the ...
Service Manual
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To clear this, you will require different steps to resolve the HP DesignJets 1050C and 1055CM Printers Service Manual 1-7 n Check Printhead Path (followed by : n Check Printhead Cleaner Path. Troubleshooting Shutdowns If a shutdown occurs, you must lift the media load handles and ...the message "Switch Power Off" followed by (1), (2) or (3)). Clear the media path. Refer to avoid cockle, one of the primary causes of non-HP media can easily be reported as head crashes. 1 Did the media jam occur when loading media? When clearing a media jam, sometimes media is common ...
To clear this, you will require different steps to resolve the HP DesignJets 1050C and 1055CM Printers Service Manual 1-7 n Check Printhead Path (followed by : n Check Printhead Cleaner Path. Troubleshooting Shutdowns If a shutdown occurs, you must lift the media load handles and ...the message "Switch Power Off" followed by (1), (2) or (3)). Clear the media path. Refer to avoid cockle, one of the primary causes of non-HP media can easily be reported as head crashes. 1 Did the media jam occur when loading media? When clearing a media jam, sometimes media is common ...
Service Manual
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...for any visible obstacles restricting the movement of the Service Station. If you cannot reach the media, remove the Electronics Module (⇒ Page 8-25) and the Roller Guide (⇒ Page 8-66) from the Rear of the Printer to gain better access. 2 If this shutdown happens.... Paper Path 1 Open the Window and check for smooth and free movement. Lift the Pinch wheels (using a damp cloth. 1-8 HP DesignJets 1050C and 1055CM Printers Service Manual If necessary, clean Encoder Strip using the Media Load Handles) and pull the media clear. 3 Replace media spindle if broken. 4 Replace...
...for any visible obstacles restricting the movement of the Service Station. If you cannot reach the media, remove the Electronics Module (⇒ Page 8-25) and the Roller Guide (⇒ Page 8-66) from the Rear of the Printer to gain better access. 2 If this shutdown happens.... Paper Path 1 Open the Window and check for smooth and free movement. Lift the Pinch wheels (using a damp cloth. 1-8 HP DesignJets 1050C and 1055CM Printers Service Manual If necessary, clean Encoder Strip using the Media Load Handles) and pull the media clear. 3 Replace media spindle if broken. 4 Replace...
Service Manual
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... Check that the Vacuum Fan is a problem with the Vacuum Fan, try the following : 1 With the Printer ON, open the Window of the Printer and place a sheet of HP High Gloss Photo Paper (must be D-Size), aligned with the Overdrive. n If possible, advise the customer... on the Media. n Cut Sheet loading problems (high probability). Bin marks on prints done on HP High Gloss media Prints done on HP High Gloss media are NOT blocked. HP DesignJets 1050C and 1055CM Printers Service Manual 1-9 n Roll Media loading problems (low probability). n Printhead crashes against the Media. NO SOLUTION...
... Check that the Vacuum Fan is a problem with the Vacuum Fan, try the following : 1 With the Printer ON, open the Window of the Printer and place a sheet of HP High Gloss Photo Paper (must be D-Size), aligned with the Overdrive. n If possible, advise the customer... on the Media. n Cut Sheet loading problems (high probability). Bin marks on prints done on HP High Gloss media Prints done on HP High Gloss media are NOT blocked. HP DesignJets 1050C and 1055CM Printers Service Manual 1-9 n Roll Media loading problems (low probability). n Printhead crashes against the Media. NO SOLUTION...
Service Manual
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... printing PostScript images, send them a PPD file containing the extended margins of 15mm. 2. Color changes when stacking prints done on HP High Gloss Media. The ink on HP Coated Media. To solve the problem, try the following : n Allow the print to ... is OFF, turn it ON. n Never use HP Heavy Coated Media. If Ink Limiting is ON or OFF. This causes two main problems: 1. To find the environmental conditions, print the Service Configuration Print (Printer Setup Menu / Utilities / Test prints / Service config) 1-10 HP DesignJets 1050C and 1055CM Printers Service Manual
... printing PostScript images, send them a PPD file containing the extended margins of 15mm. 2. Color changes when stacking prints done on HP High Gloss Media. The ink on HP Coated Media. To solve the problem, try the following : n Allow the print to ... is OFF, turn it ON. n Never use HP Heavy Coated Media. If Ink Limiting is ON or OFF. This causes two main problems: 1. To find the environmental conditions, print the Service Configuration Print (Printer Setup Menu / Utilities / Test prints / Service config) 1-10 HP DesignJets 1050C and 1055CM Printers Service Manual
Service Manual
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..." media or damaging the actual print. n Printing with Paper). This problem mainly affects Natural Tracing Paper (NTP), Vellum and HP High Gloss Media. HP DesignJets 1050C and 1055CM Printers Service Manual 1-11 Troubleshooting HP-GL/2 color differences in different HP DesignJet Printers Color differences between one image printed on the media is not very accurate but it may result in severe changes in...
..." media or damaging the actual print. n Printing with Paper). This problem mainly affects Natural Tracing Paper (NTP), Vellum and HP High Gloss Media. HP DesignJets 1050C and 1055CM Printers Service Manual 1-11 Troubleshooting HP-GL/2 color differences in different HP DesignJet Printers Color differences between one image printed on the media is not very accurate but it may result in severe changes in...