Service Manual
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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 be performed by HP Certified service personnel only. Conventions A small arrow ⇒ is...
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 be performed by HP Certified service personnel only. Conventions A small arrow ⇒ is...
Service Manual
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... much lower at high altitudes 1-9 Bin marks on 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 on prints done on NTP, Vellum and...Crashes 1-7 Troubleshooting Shutdowns 1-7 Problems with light area fills 1-13 Solving Media-Handling Problems 1-14 How to Navigate through the Front-Panel Menu 1-15 Service Configuration Print 1-19 HP DesignJets 1050C and 1055CM Printers Service Manual 3
... much lower at high altitudes 1-9 Bin marks on 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 on prints done on NTP, Vellum and...Crashes 1-7 Troubleshooting Shutdowns 1-7 Problems with light area fills 1-13 Solving Media-Handling Problems 1-14 How 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
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... 5-6 2. Roller Mark Position 5-13 5. Pen Alignment 5-22 Carriage Height Calibration 5-24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 Set Asian PS Fonts 4-33 4. Printhead Check 4-41 8. Mode Baud Sel. 4-42 Service Calibrations 5-1 Service Calibrations 5-2 Entering the Service Calibrations Menu 5-4 1. Line Sensor 5-9 3. Release Info 4-32 3. Mon. Service Station 5-11 4. Color to Paper Spacing 5-15 6. Hard Disk Drive 4-12 4. Paper Axis 4-20...
... 5-6 2. Roller Mark Position 5-13 5. Pen Alignment 5-22 Carriage Height Calibration 5-24 HP DesignJets 1050C and 1055CM Printers Service Manual 5 Set Asian PS Fonts 4-33 4. Printhead Check 4-41 8. Mode Baud Sel. 4-42 Service Calibrations 5-1 Service Calibrations 5-2 Entering the Service Calibrations Menu 5-4 1. Line Sensor 5-9 3. Release Info 4-32 3. Mon. Service Station 5-11 4. Color to Paper Spacing 5-15 6. Hard Disk Drive 4-12 4. Paper Axis 4-20...
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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
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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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... 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 1-1
... 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 1-1
Service Manual
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... recommended corrective actions. n Which software application the customer is not documented in Utilities / Statistics / Code rev. Check firmware in this information, HP Support Personnel cannot help you. 1-2 HP DesignJets 1050C and 1055CM Printers Service Manual n The complete error number (See Note below ). When reporting the System Error Code, make sure that you through the relevant steps to...
... recommended corrective actions. n Which software application the customer is not documented in Utilities / Statistics / Code rev. Check firmware in this information, HP Support Personnel cannot help you. 1-2 HP DesignJets 1050C and 1055CM Printers Service Manual n The complete error number (See Note below ). When reporting the System Error Code, make sure that you through the relevant steps to...
Service Manual
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... about to replace, just to make sure that is the component/assembly that has failed. Performing the Necessary Service Calibrations Is the printer calibrated correctly after replacing a component? Refer to the table on Page 5-2 to another Assembly or Component. ... on solving Image Quality problems see Chapter 4 - Service Tests and Utilities. For information on the Service Calibrations and how to use them see Chapter 6 Print Quality. For information on the Service Tests and how to use them see Chapter 5 - HP DesignJets 1050C and 1055CM Printers Service Manual 1-3
... about to replace, just to make sure that is the component/assembly that has failed. Performing the Necessary Service Calibrations Is the printer calibrated correctly after replacing a component? Refer to the table on Page 5-2 to another Assembly or Component. ... on solving Image Quality problems see Chapter 4 - Service Tests and Utilities. For information on the Service Calibrations and how to use them see Chapter 6 Print Quality. For information on the Service Tests and how to use them see Chapter 5 - HP DesignJets 1050C and 1055CM Printers Service Manual 1-3
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.... d Switch the Printer ON again e If the Printer functions correctly with the Hard Disk Drive installed. g Switch the Printer ON again h Check if the Printer functions correctly with the Network Card installed, switch the Printer OFF again. f ...Printer, and remove them both. Troubleshoot the problem as follows: a If the Printer has a Hard Disk Drive and/or a Network card installed, switch the Printer OFF 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...
.... d Switch the Printer ON again e If the Printer functions correctly with the Hard Disk Drive installed. g Switch the Printer ON again h Check if the Printer functions correctly with the Network Card installed, switch the Printer OFF again. f ...Printer, and remove them both. Troubleshoot the problem as follows: a If the Printer has a Hard Disk Drive and/or a Network card installed, switch the Printer OFF 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...
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...Remains on the BACK of the Printer is in the ON position. 4 Check that the Front-Panel cable is NOT correctly installed or Faulty. 1 Power OFF the Printer from the back and disconnect the power cord. HP DesignJets 1050C and 1055CM Printers Service Manual 1-5 Also make sure that the ...Front-Panel Cable is NOT correctly installed. 1 Power OFF the Printer from the back and disconnect the power cord.
...Remains on the BACK of the Printer is in the ON position. 4 Check that the Front-Panel cable is NOT correctly installed or Faulty. 1 Power OFF the Printer from the back and disconnect the power cord. HP DesignJets 1050C and 1055CM Printers Service Manual 1-5 Also make sure that the ...Front-Panel Cable is NOT correctly installed. 1 Power OFF the Printer from the back and disconnect the power cord.
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... Front Panel does NOT show "OK" for the faulty sensor is connected correctly. 3 Replace the faulty Sensor. Replace the Carriage Assembly ⇒ Page 8-44. 1-6 HP DesignJets 1050C and 1055CM Printers Service Manual Clean the Platen. 3 The Line Sensor is being used since the Line sensor may have problems detecting transparent media or some types of Non...
... Front Panel does NOT show "OK" for the faulty sensor is connected correctly. 3 Replace the faulty Sensor. Replace the Carriage Assembly ⇒ Page 8-44. 1-6 HP DesignJets 1050C and 1055CM Printers Service Manual Clean the Platen. 3 The Line Sensor is being used since the Line sensor may have problems detecting transparent media or some types of Non...
Service Manual
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...10, Printhead Crashes/Smears on High Density Prints Using Coated Media. If the media is not HP approved, advise the customer to resolve the HP DesignJets 1050C and 1055CM Printers Service Manual 1-7 Refer to avoid cockle, one of the primary causes of media jams and head crashes... (especially head crashes because HP media is specially formulated to Page 1-9, Problems with the Vacuum Fan. Troubleshooting ...
...10, Printhead Crashes/Smears on High Density Prints Using Coated Media. If the media is not HP approved, advise the customer to resolve the HP DesignJets 1050C and 1055CM Printers Service Manual 1-7 Refer to avoid cockle, one of the primary causes of media jams and head crashes... (especially head crashes because HP media is specially formulated to Page 1-9, Problems with the Vacuum Fan. Troubleshooting ...
Service Manual
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... inside the paper path, lift the Pinch wheels (using the Media Load Handles) and clear the obstruction. Lift the Pinch wheels (using a damp cloth. 1-8 HP DesignJets 1050C and 1055CM Printers Service Manual After applying the Oil, perform the Scan-Axis Test ⇒ Page 4-17 and check that the values are within the given limits. 2 Replace the...
... inside the paper path, lift the Pinch wheels (using the Media Load Handles) and clear the obstruction. Lift the Pinch wheels (using a damp cloth. 1-8 HP DesignJets 1050C and 1055CM Printers Service Manual After applying the Oil, perform the Scan-Axis Test ⇒ Page 4-17 and check that the values are within the given limits. 2 Replace the...
Service Manual
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... the customer to install the Media Bin cover, that was included with the Vacuum Fan. n Cut Sheet loading problems (high probability). NO SOLUTION AVAILABLE. HP DesignJets 1050C and 1055CM Printers Service Manual 1-9 To verify if there really is installed correctly. n Replace the Vacuum Fan ⇒ Page 8-11. 2 If the Vacuum Fan held in place, and then...
... the customer to install the Media Bin cover, that was included with the Vacuum Fan. n Cut Sheet loading problems (high probability). NO SOLUTION AVAILABLE. HP DesignJets 1050C and 1055CM Printers Service Manual 1-9 To verify if there really is installed correctly. n Replace the Vacuum Fan ⇒ Page 8-11. 2 If the Vacuum Fan held in place, and then...
Service Manual
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... covered and uncovered part of a print done on HP High Gloss Media Color differences can take from 10 minutes up to diffuse creating larger ink dots. 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 If Ink Limiting is OFF, turn it ON...
... covered and uncovered part of a print done on HP High Gloss Media Color differences can take from 10 minutes up to diffuse creating larger ink dots. 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 If Ink Limiting is OFF, turn it ON...
Service Manual
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... load handles or the media roll, transferring ink to the "still-not-printed" media or damaging the actual print. n Some applications have color controls for other printers. HP DesignJets 1050C and 1055CM Printers Service Manual 1-11 n Avoid very long exposures to the different chemistry of the 1000 series inks compared with glossy media (more than 12 hours at...
... load handles or the media roll, transferring ink to the "still-not-printed" media or damaging the actual print. n Some applications have color controls for other printers. HP DesignJets 1050C and 1055CM Printers Service Manual 1-11 n Avoid very long exposures to the different chemistry of the 1000 series inks compared with glossy media (more than 12 hours at...