Service Manual
Page 4
... topic you are located in this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: n HP DesignJet 500 Printer - 24" Model (P/N C7769B) n HP DesignJet 500 Printer - 42" Model (P/N C7770B) n HP DesignJet 500PS Printer - 24" Model (P/N C7769C) n HP DesignJet 500PS Printer - 42" Model (P/N C7770C) n HP DesignJet 800 Printer - 24" Model (P/N C7779B) n HP DesignJet 800 Printer - 42" Model (P/N C7780B) n HP DesignJet 800PS Printer - 24" Model (P/N C7779C) n HP DesignJet 800PS Printer - 42" Model (P/N C7780C) For information about...
... topic you are located in this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: n HP DesignJet 500 Printer - 24" Model (P/N C7769B) n HP DesignJet 500 Printer - 42" Model (P/N C7770B) n HP DesignJet 500PS Printer - 24" Model (P/N C7769C) n HP DesignJet 500PS Printer - 42" Model (P/N C7770C) n HP DesignJet 800 Printer - 24" Model (P/N C7779B) n HP DesignJet 800 Printer - 42" Model (P/N C7780B) n HP DesignJet 800PS Printer - 24" Model (P/N C7779C) n HP DesignJet 800PS Printer - 42" Model (P/N C7780C) For information about...
Service Manual
Page 5
...Should You Replace the Printheads? 3-7 Obtaining Ink Cartridge Information 3-9 HP DesignJets 500 and 800 Series Printers Service Manual 3 Explanation 2-2 Error Log Utility 2-5 Accessing the Error Log Utility... 2-5 Ink Supplies Troubleshooting 3-1 What are not Working 1-3 The Line Sensor has Problems Detecting Media 1-3 Troubleshooting Paper-Axis Shutdowns 1-4 Problems with the Vacuum Fan 1-5 Vacuum suction much lower at high altitudes 1-5 HP-GL/2 color differences in different HP DesignJet Printers...
...Should You Replace the Printheads? 3-7 Obtaining Ink Cartridge Information 3-9 HP DesignJets 500 and 800 Series Printers Service Manual 3 Explanation 2-2 Error Log Utility 2-5 Accessing the Error Log Utility... 2-5 Ink Supplies Troubleshooting 3-1 What are not Working 1-3 The Line Sensor has Problems Detecting Media 1-3 Troubleshooting Paper-Axis Shutdowns 1-4 Problems with the Vacuum Fan 1-5 Vacuum suction much lower at high altitudes 1-5 HP-GL/2 color differences in different HP DesignJet Printers...
Service Manual
Page 6
... Unlock Carriage 4-22 Prime Tubes 4-23 Change Cutter 4-24 Change Ink Tubes 4-25 Printer Information 4-26 Service Calibrations 5-1 Entering the Service Calibrations Menu 5-3 Printhead Alignment (includes PPS Calibration) 5-5 Color Calibration 5-7 Advance Calibration 5-9 Factory Advance Calibration 5-11 4 HP DesignJets 500 and 800 Series Printers Service Manual Table of Contents Obtaining Printhead Information 3-10 Ink Cartridge Status Messages 3-12 Ink Cartridge...
... Unlock Carriage 4-22 Prime Tubes 4-23 Change Cutter 4-24 Change Ink Tubes 4-25 Printer Information 4-26 Service Calibrations 5-1 Entering the Service Calibrations Menu 5-3 Printhead Alignment (includes PPS Calibration) 5-5 Color Calibration 5-7 Advance Calibration 5-9 Factory Advance Calibration 5-11 4 HP DesignJets 500 and 800 Series Printers Service Manual Table of Contents Obtaining Printhead Information 3-10 Ink Cartridge Status Messages 3-12 Ink Cartridge...
Service Manual
Page 7
... Procedure 6-8 Solving Color Accuracy problems 6-9 Color Consistency problems 6-9 Long Term Color Bleeding (Glossy Papers) 6-9 Media 6-10 There are Smears or Scratching on the Printed Media 6-10 Parts and Diagrams 7-1 Printer Support 7-2 Right ...Service Station and Spittoon 7-22 Service Station Holder 7-24 Pinch-Wheel Assemblies 7-26 Scan-Axis Motor 7-28 Drive Roller Encoder Sensor 7-30 Print Platen Assembly 7-32 Carriage Assembly 7-34 Vacuum Fan 7-36 Interconnect Cable 7-38 Paper-Axis Motor 7-40 Drive Roller 7-42 Miscellaneous Items 7-44 HP DesignJets 500 and 800 Series Printers Service Manual...
... Procedure 6-8 Solving Color Accuracy problems 6-9 Color Consistency problems 6-9 Long Term Color Bleeding (Glossy Papers) 6-9 Media 6-10 There are Smears or Scratching on the Printed Media 6-10 Parts and Diagrams 7-1 Printer Support 7-2 Right ...Service Station and Spittoon 7-22 Service Station Holder 7-24 Pinch-Wheel Assemblies 7-26 Scan-Axis Motor 7-28 Drive Roller Encoder Sensor 7-30 Print Platen Assembly 7-32 Carriage Assembly 7-34 Vacuum Fan 7-36 Interconnect Cable 7-38 Paper-Axis Motor 7-40 Drive Roller 7-42 Miscellaneous Items 7-44 HP DesignJets 500 and 800 Series Printers Service Manual...
Service Manual
Page 8
... 8-38 Trailing Cable 8-40 Ink Supply Station 8-48 Interconnect PCA 8-50 Service Station and Aerosol Fan 8-52 Cutter Guide 8-55 Print Platen 8-56 Service Station Holder 8-57 Interconnect Cable 8-59 Ink Supply Tubes 8-60 Vacuum Fan 8-64 Pinch-Arm 8-66 Pinch-Arm Mechanism 8-67 Pinch-Arm Lever 8-69 6 HP DesignJets 500 and 800 Series Printers Service Manual
... 8-38 Trailing Cable 8-40 Ink Supply Station 8-48 Interconnect PCA 8-50 Service Station and Aerosol Fan 8-52 Cutter Guide 8-55 Print Platen 8-56 Service Station Holder 8-57 Interconnect Cable 8-59 Ink Supply Tubes 8-60 Vacuum Fan 8-64 Pinch-Arm 8-66 Pinch-Arm Mechanism 8-67 Pinch-Arm Lever 8-69 6 HP DesignJets 500 and 800 Series Printers Service Manual
Service Manual
Page 9
... 10-3 Hardware Description 10-3 Power Supply Unit (PSU) 10-5 Front Panel 10-6 Ink Delivery System (IDS) 10-7 Ink Supply Station (ISS) 10-7 Tubes Assembly 10-9 Service Station 10-10 Glossary Index Table of Contents HP DesignJets 500 and 800 Series Printers Service Manual 7
... 10-3 Hardware Description 10-3 Power Supply Unit (PSU) 10-5 Front Panel 10-6 Ink Delivery System (IDS) 10-7 Ink Supply Station (ISS) 10-7 Tubes Assembly 10-9 Service Station 10-10 Glossary Index Table of Contents HP DesignJets 500 and 800 Series Printers Service Manual 7
Service Manual
Page 11
... 1-3 Troubleshooting Paper-Axis Shutdowns 1-4 Problems with the Vacuum Fan 1-5 Vacuum suction much lower at high altitudes 1-5 HP-GL/2 color differences in different HP DesignJet Printers 1-6 Banding at variable extreme environmental conditions 1-6 The Priming Procedure Fails 1-7 Using the Power Switch LED to Troubleshoot 1-10 Using the Boot-Up Sequence to Troubleshoot 1-12 HP DesignJets 500 and 800 Series Printers Service Manual 1-1
... 1-3 Troubleshooting Paper-Axis Shutdowns 1-4 Problems with the Vacuum Fan 1-5 Vacuum suction much lower at high altitudes 1-5 HP-GL/2 color differences in different HP DesignJet Printers 1-6 Banding at variable extreme environmental conditions 1-6 The Priming Procedure Fails 1-7 Using the Power Switch LED to Troubleshoot 1-10 Using the Boot-Up Sequence to Troubleshoot 1-12 HP DesignJets 500 and 800 Series Printers Service Manual 1-1
Service Manual
Page 12
... Codes contains a list of system error codes and their respective descriptions and recommended corrective actions. Service Tests and Utilities. Service Calibrations. 1-2 HP DesignJets 500 and 800 Series Printers Service Manual NOTE Performing a Service Test on a Failed Assembly If possible, always perform a Service Test on the Service Tests and how to use them see Chapter 5 - For information on the component/ assembly...
... Codes contains a list of system error codes and their respective descriptions and recommended corrective actions. Service Tests and Utilities. Service Calibrations. 1-2 HP DesignJets 500 and 800 Series Printers Service Manual NOTE Performing a Service Test on a Failed Assembly If possible, always perform a Service Test on the Service Tests and how to use them see Chapter 5 - For information on the component/ assembly...
Service Manual
Page 13
...the Line Sensor may have problems detecting transparent media or some types of Non-HP media. The Printer does not Power ON 1 Check that the power cord is correctly connected to the Printer and check if the Line Sensor detects it. 2 Excessive ink deposits on ... not after performing various levels of recovery actions. The Line Sensor has Problems Detecting Media 1 Check the type of the Printer. HP DesignJets 500 and 800 Series Printers Service Manual 1-3 For information on the Print Platen surface can fool the sensor by reflecting the light. Replace the Carriage Assembly ⇒...
...the Line Sensor may have problems detecting transparent media or some types of Non-HP media. The Printer does not Power ON 1 Check that the power cord is correctly connected to the Printer and check if the Line Sensor detects it. 2 Excessive ink deposits on ... not after performing various levels of recovery actions. The Line Sensor has Problems Detecting Media 1 Check the type of the Printer. HP DesignJets 500 and 800 Series Printers Service Manual 1-3 For information on the Print Platen surface can fool the sensor by reflecting the light. Replace the Carriage Assembly ⇒...
Service Manual
Page 14
...is faulty by one of the gears (caused by an obstacle) or by performing the Paper Advance Test (Refer to Page 4-10). The Printer will move because of an obstacle or because it is working, the sheet will be turning the Drive Roller). Remove the obstacles if necessary....the Gears are explained as follows: 1 The Paper-Axis Motor does not respond to replace the Encoder Sensor ⇒ Page 8-38. 1-4 HP DesignJets 500 and 800 Series Printers Service Manual n Remove the Back Platen ⇒ Page 8-67 and check if the Transmission Gears are not turning. If the Paper-Axis Motor did ...
...is faulty by one of the gears (caused by an obstacle) or by performing the Paper Advance Test (Refer to Page 4-10). The Printer will move because of an obstacle or because it is working, the sheet will be turning the Drive Roller). Remove the obstacles if necessary....the Gears are explained as follows: 1 The Paper-Axis Motor does not respond to replace the Encoder Sensor ⇒ Page 8-38. 1-4 HP DesignJets 500 and 800 Series Printers Service Manual n Remove the Back Platen ⇒ Page 8-67 and check if the Transmission Gears are not turning. If the Paper-Axis Motor did ...
Service Manual
Page 15
...⇒ Page 8-64. 2 If the Vacuum Fan held in the Center Platen are NOT blocked. n Printhead crashes against the Media. HP DesignJets 500 and 800 Series Printers Service Manual 1-5 This can be D-Size), aligned with the blue lines on the Media. n Cut Sheet loading problems (high probability). If the ...probability). To verify if there really 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 done via the front panel ⇒ Set-up Menu / Altitude. The solution...
...⇒ Page 8-64. 2 If the Vacuum Fan held in the Center Platen are NOT blocked. n Printhead crashes against the Media. HP DesignJets 500 and 800 Series Printers Service Manual 1-5 This can be D-Size), aligned with the blue lines on the Media. n Cut Sheet loading problems (high probability). If the ...probability). To verify if there really 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 done via the front panel ⇒ Set-up Menu / Altitude. The solution...
Service Manual
Page 16
... new environmental conditions (Refer to the User's Guide). 1-6 HP DesignJets 500 and 800 Series Printers Service Manual This color variability among different HP DesignJet Series Printers has always been present. Troubleshooting HP-GL/2 color differences in different HP DesignJet Printers Color differences between one image printed on the HP DesignJet 500/800 Series and the rest of the DesignJet platforms are due to the different chemistry of the...
... new environmental conditions (Refer to the User's Guide). 1-6 HP DesignJets 500 and 800 Series Printers Service Manual This color variability among different HP DesignJet Series Printers has always been present. Troubleshooting HP-GL/2 color differences in different HP DesignJet Printers Color differences between one image printed on the HP DesignJet 500/800 Series and the rest of the DesignJet platforms are due to the different chemistry of the...
Service Manual
Page 17
... process performs at least one or more of the tubes in order to use the Printer. It will see the following HP DesignJets 500 and 800 Series Printers Service Manual 1-7 Normally with a new Printer this problem is Ink Cartridges with ink - Also the Printer will request the User to the access position and you will then request the...
... process performs at least one or more of the tubes in order to use the Printer. It will see the following HP DesignJets 500 and 800 Series Printers Service Manual 1-7 Normally with a new Printer this problem is Ink Cartridges with ink - Also the Printer will request the User to the access position and you will then request the...
Service Manual
Page 18
... for ink Open the Carriage Cover and check if there is ink inside printhead windows 3. Troubleshooting message on the source of the problem: 1-8 HP DesignJets 500 and 800 Series Printers Service Manual Check if there is ink in all with ink? If you will see the following message on whether the Start-up Printheads were...
... for ink Open the Carriage Cover and check if there is ink inside printhead windows 3. Troubleshooting message on the source of the problem: 1-8 HP DesignJets 500 and 800 Series Printers Service Manual Check if there is ink in all with ink? If you will see the following message on whether the Start-up Printheads were...
Service Manual
Page 19
... 4-6. 4 The Ink Supply Tubes are missing (one or all of them). 2 The Start-up Printheads, make sure you reinsert them in the same color slot in the Carriage. The last 2 cases will be the following : 1 The Ink Cartridge valve is broken so the Ink Cartridge should install them ...leaking. In this situation, the problem could be more information on this area. HP DesignJets 500 and 800 Series Printers Service Manual 1-9 For more obvious because there will request you should be a lot of ink in the Printer (around 20 cc of missing Start-up Printhead is not working properly and ...
... 4-6. 4 The Ink Supply Tubes are missing (one or all of them). 2 The Start-up Printheads, make sure you reinsert them in the same color slot in the Carriage. The last 2 cases will be the following : 1 The Ink Cartridge valve is broken so the Ink Cartridge should install them ...leaking. In this situation, the problem could be more information on this area. HP DesignJets 500 and 800 Series Printers Service Manual 1-9 For more obvious because there will request you should be a lot of ink in the Printer (around 20 cc of missing Start-up Printhead is not working properly and ...
Service Manual
Page 20
... Power Supply Unit ⇒ Page 8-27. Also make sure that you firmly press the Power Switch to troubleshoot when the Printer does not Power up completely. This indicates that the Main PCA is completely dead. LED Flashes twice every few seconds - This... Power Supply Unit is completely dead. A problem has been detected with the Printer. Replace the Electronics Module ⇒ Page 8-24. The Printer cannot detect 1-10 HP DesignJets 500 and 800 Series Printers Service Manual Troubleshooting NOTE Using the Power Switch LED to Troubleshoot In certain circumstances the LED...
... Power Supply Unit ⇒ Page 8-27. Also make sure that you firmly press the Power Switch to troubleshoot when the Printer does not Power up completely. This indicates that the Main PCA is completely dead. LED Flashes twice every few seconds - This... Power Supply Unit is completely dead. A problem has been detected with the Printer. Replace the Electronics Module ⇒ Page 8-24. The Printer cannot detect 1-10 HP DesignJets 500 and 800 Series Printers Service Manual Troubleshooting NOTE Using the Power Switch LED to Troubleshoot In certain circumstances the LED...
Service Manual
Page 21
...seconds - LED Flashes 5 times every few seconds - Troubleshooting the Interconnect Cable. Replace the Electronics Module ⇒ Page 8-24. HP DesignJets 500 and 800 Series Printers Service Manual 1-11 Try the following : 1 Check that the Front Panel is connected correctly to the Interconnect PCA. 2 Check that the... cable is connected correctly and the LED continues to flash twice then replace the Interconnect Cable ⇒ Page 8-59. The Printer cannot detect the Front Panel. This indicates that the Main PCA has failed. Try the following : 1 Check that the Interconnect...
...seconds - LED Flashes 5 times every few seconds - Troubleshooting the Interconnect Cable. Replace the Electronics Module ⇒ Page 8-24. HP DesignJets 500 and 800 Series Printers Service Manual 1-11 Try the following : 1 Check that the Front Panel is connected correctly to the Interconnect PCA. 2 Check that the... cable is connected correctly and the LED continues to flash twice then replace the Interconnect Cable ⇒ Page 8-59. The Printer cannot detect the Front Panel. This indicates that the Main PCA has failed. Try the following : 1 Check that the Interconnect...
Service Manual
Page 22
...circumstances, if a component fails during this sequence fails, try the following: 1 Switch the Printer Off and wait a few minutes. System Error Codes. Initializing various components of the Printer. Troubleshooting Using the Boot-Up Sequence to Troubleshoot When you to locate the failing component:... this sequence a System Error will help you Power On the Printer, the Printer performs the Boot-Up sequence which initializes the major components of the Main PCA. 1-12 HP DesignJets 500 and 800 Series Printers Service Manual If for some reason the Boot-Up sequence fails because a ...
...circumstances, if a component fails during this sequence fails, try the following: 1 Switch the Printer Off and wait a few minutes. System Error Codes. Initializing various components of the Printer. Troubleshooting Using the Boot-Up Sequence to Troubleshoot When you to locate the failing component:... this sequence a System Error will help you Power On the Printer, the Printer performs the Boot-Up sequence which initializes the major components of the Main PCA. 1-12 HP DesignJets 500 and 800 Series Printers Service Manual If for some reason the Boot-Up sequence fails because a ...
Service Manual
Page 23
Initializing the communication between Main PCA and Formatter. Entering Service Menu at Power Up - Only for Onsite Repair If the Printer fails to initialize completely because of a System Error and you perform some of the System). HP DesignJets 500 and 800 Series Printers Service Manual 1-13 Initializing a portion of initialization sequence. End of the Firmware. Initializing the I/O. Initializing...
Initializing the communication between Main PCA and Formatter. Entering Service Menu at Power Up - Only for Onsite Repair If the Printer fails to initialize completely because of a System Error and you perform some of the System). HP DesignJets 500 and 800 Series Printers Service Manual 1-13 Initializing a portion of initialization sequence. End of the Firmware. Initializing the I/O. Initializing...