Service Manual
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... User and Quick Reference Guides. Using this Service Manual are consulting. 2 HP DesignJets 1050C and 1055CM Printers Service Manual Part Numbers Part Numbers for Printer options, accessories and service parts are located 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 to...
... User and Quick Reference Guides. Using this Service Manual are consulting. 2 HP DesignJets 1050C and 1055CM Printers Service Manual Part Numbers Part Numbers for Printer options, accessories and service parts are located 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 to...
Service Manual
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... 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 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
... 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 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
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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... 5-9 3. Pen Alignment 5-22 Carriage Height Calibration 5-24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 Overdrive Cleaning 4-37 6. Mon. Ink Pressure System 4-14 5. Tubes Purge 4-28 2. Pen to Color calibration 5-16 7. Release Info 4-32 3. Mode Baud Sel. 4-42 Service Calibrations 5-1 Service Calibrations 5-2 Entering the Service Calibrations Menu 5-4 1. Calibrations Backup 5-19 8. EIO Card 4-10 3. Printer Model Type 4-35 5. Accuracy Calibration 5-6 2. Printhead Check...
... 5-9 3. Pen Alignment 5-22 Carriage Height Calibration 5-24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 Overdrive Cleaning 4-37 6. Mon. Ink Pressure System 4-14 5. Tubes Purge 4-28 2. Pen to Color calibration 5-16 7. Release Info 4-32 3. Mode Baud Sel. 4-42 Service Calibrations 5-1 Service Calibrations 5-2 Entering the Service Calibrations Menu 5-4 1. Calibrations Backup 5-19 8. EIO Card 4-10 3. Printer Model Type 4-35 5. Accuracy Calibration 5-6 2. Printhead Check...
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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...prints done on HP High Gloss media 1-9 Printhead Crashes/Smears on High Density 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... 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...
...prints done on HP High Gloss media 1-9 Printhead Crashes/Smears on High Density 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... 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...
Service Manual
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...Troubleshooting System Error Codes Chapter 2 - System Error Codes contains a list of the printer. Check firmware in this information, HP Support Personnel cannot help you. 1-2 HP DesignJets 1050C and 1055CM Printers Service Manual n Which software application the customer is using (name, version, etc.). When ... you cannot resolve, then report the error to take when troubleshooting the printer. n The Service Configuration Print ⇒ Page 1-19 n The Current configuration sheet. Without this Service Manual or you have an error which is not documented in Utilities / Statistics...
...Troubleshooting System Error Codes Chapter 2 - System Error Codes contains a list of the printer. Check firmware in this information, HP Support Personnel cannot help you. 1-2 HP DesignJets 1050C and 1055CM Printers Service Manual n Which software application the customer is using (name, version, etc.). When ... you cannot resolve, then report the error to take when troubleshooting the printer. n The Service Configuration Print ⇒ Page 1-19 n The Current configuration sheet. Without this Service Manual or you have an error which is not documented in Utilities / Statistics...
Service Manual
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... Quality Print to use them see Chapter 6 Print Quality. Service Calibrations. Solving Image Quality Problems Whenever an Image Quality problem appears, it . HP DesignJets 1050C and 1055CM Printers Service Manual 1-3 Performing the Necessary Service Calibrations Is the printer calibrated correctly after replacing a component? Refer to the table on the Service Tests and how to help you should NOT replace it...
... Quality Print to use them see Chapter 6 Print Quality. Service Calibrations. Solving Image Quality Problems Whenever an Image Quality problem appears, it . HP DesignJets 1050C and 1055CM Printers Service Manual 1-3 Performing the Necessary Service Calibrations Is the printer calibrated correctly after replacing a component? Refer to the table on the Service Tests and how to help you should NOT replace it...
Service Manual
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... from the back of the cables connected to the Electronics Module have been pinched between the cover and the sideplate. 1-4 HP DesignJets 1050C and 1055CM Printers Service Manual Troubleshooting NOTE NOTE NOTE Front-Panel LEDs Flash Briefly at Power ON & Nothing Else Happens The Power Supply detects a Short and shuts down the Power. 1 ...
... from the back of the cables connected to the Electronics Module have been pinched between the cover and the sideplate. 1-4 HP DesignJets 1050C and 1055CM Printers Service Manual Troubleshooting NOTE NOTE NOTE Front-Panel LEDs Flash Briefly at Power ON & Nothing Else Happens The Power Supply detects a Short and shuts down the Power. 1 ...
Service Manual
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...HP DesignJets 1050C and 1055CM Printers Service Manual 1-5 Reseat both Firmware DIMMs (the first two slots from the back and disconnect the power cord. Reseat the Firmware DIMM (the first slot from the right) making sure that they are Lit but Nothing Else Happens The Firmware DIMM is NOT correctly installed or Faulty. 1 Power OFF the Printer... DRAM DIMMs does not solve the problem, replace them instead. Troubleshooting The Printer does not Power ON 1 Check that the power cord is connected correctly to the Printer and to the Electronics Module. Also make sure that the Front-Panel cable...
...HP DesignJets 1050C and 1055CM Printers Service Manual 1-5 Reseat both Firmware DIMMs (the first two slots from the back and disconnect the power cord. Reseat the Firmware DIMM (the first slot from the right) making sure that they are Lit but Nothing Else Happens The Firmware DIMM is NOT correctly installed or Faulty. 1 Power OFF the Printer... DRAM DIMMs does not solve the problem, replace them instead. Troubleshooting The Printer does not Power ON 1 Check that the power cord is connected correctly to the Printer and to the Electronics Module. Also make sure that the Front-Panel cable...
Service Manual
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... deposits on the Front Panel does NOT show "OK" for the faulty sensor is damaged or faulty. Replace the Carriage Assembly ⇒ Page 8-44. 1-6 HP DesignJets 1050C and 1055CM Printers Service Manual The Line Sensor has Problems Detecting Media 1 Check the type of media that is not calibrated correctly. Clean the Platen. 3 The Line Sensor is...
... deposits on the Front Panel does NOT show "OK" for the faulty sensor is damaged or faulty. Replace the Carriage Assembly ⇒ Page 8-44. 1-6 HP DesignJets 1050C and 1055CM Printers Service Manual The Line Sensor has Problems Detecting Media 1 Check the type of media that is not calibrated correctly. Clean the Platen. 3 The Line Sensor is...
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 Refer to push out the media that the Vacuum Fan works correctly - n Check Paper Path. Clear the media path. If the media is not HP approved, advise the customer to get the message "Switch Power Off.... 4 Check that is at the incorrect height in the paper path. NOTE NOTE Troubleshooting Troubleshooting Media Jams/Printhead Crashes If using non-HP media? A shutdown in each path will get stuck in many cases a media jam causes the media to lift up into the paper...
...To clear this, you will require different steps to resolve the HP DesignJets 1050C and 1055CM Printers Service Manual 1-7 Refer to push out the media that the Vacuum Fan works correctly - n Check Paper Path. Clear the media path. If the media is not HP approved, advise the customer to get the message "Switch Power Off.... 4 Check that is at the incorrect height in the paper path. NOTE NOTE Troubleshooting Troubleshooting Media Jams/Printhead Crashes If using non-HP media? A shutdown in each path will get stuck in many cases a media jam causes the media to lift up into the paper...
Service Manual
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... the media clear. 3 Replace media spindle if broken. 4 Replace the Paper-Axis Motor ⇒ Page 8-12. If necessary, clean Encoder Strip using a damp cloth. 1-8 HP DesignJets 1050C and 1055CM Printers Service Manual Troubleshooting WARNING problem as explained as follows. Velocity Shutdown (2) 1 Open the Window and check for any procedures to the Roll. If you cannot reach...
... the media clear. 3 Replace media spindle if broken. 4 Replace the Paper-Axis Motor ⇒ Page 8-12. If necessary, clean Encoder Strip using a damp cloth. 1-8 HP DesignJets 1050C and 1055CM Printers Service Manual Troubleshooting WARNING problem as explained as follows. Velocity Shutdown (2) 1 Open the Window and check for any procedures to the Roll. If you cannot reach...
Service Manual
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...problem, try the following : n Check that was included with the Printer, to hold the sheet in place (no suction), then 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 a problem with the Vacuum ... are sensitive to the bin. n Printhead crashes against the Media. HP DesignJets 1050C and 1055CM Printers Service Manual 1-9 n Roll Media loading problems (low probability). Bin marks on prints done on HP High Gloss media Prints done on HP High Gloss media are NOT blocked. If the Vacuum Fan does not...
...problem, try the following : n Check that was included with the Printer, to hold the sheet in place (no suction), then 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 a problem with the Vacuum ... are sensitive to the bin. n Printhead crashes against the Media. HP DesignJets 1050C and 1055CM Printers Service Manual 1-9 n Roll Media loading problems (low probability). Bin marks on prints done on HP High Gloss media Prints done on HP High Gloss media are NOT blocked. If the Vacuum Fan does not...
Service Manual
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... solve the problem, try the following : n Check in the borders - n Change the paper margins to 3 hours. Color changes when stacking prints done on the ink percentage, this can be seen between the covered and uncovered part of the print...helps reduce the problem. 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 This causes two main problems: 1. Because the printer places too much ink within the print - If Ink Limiting ...
... solve the problem, try the following : n Check in the borders - n Change the paper margins to 3 hours. Color changes when stacking prints done on the ink percentage, this can be seen between the covered and uncovered part of the print...helps reduce the problem. 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 This causes two main problems: 1. Because the printer places too much ink within the print - If Ink Limiting ...
Service Manual
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... problem, try the following : n Increase the Dry Time using the Front Panel (Refer to obtain the desired colors. This problem mainly affects Natural Tracing Paper (NTP), Vellum and HP High Gloss Media. HP DesignJets 1050C and 1055CM Printers Service Manual 1-11 Scratches on prints done on the media is not very accurate but it may result in severe...
... problem, try the following : n Increase the Dry Time using the Front Panel (Refer to obtain the desired colors. This problem mainly affects Natural Tracing Paper (NTP), Vellum and HP High Gloss Media. HP DesignJets 1050C and 1055CM Printers Service Manual 1-11 Scratches on prints done on the media is not very accurate but it may result in severe...