Service Tests and Utilities
Contents
1. Test result 22 10 Faulty INK SUPPLY STATION Call HP representative In this case to resolve the problem try the following 1 Replace the Ink Supply Station Assembly gt Page 8 48 HP DesignJets 500 and 800 Series Printers Service Manual 4 7 Service Tests and Utilities NOTE WARNING g Carriage Movement o The purpose of this test is to verify the movement of the scan axis components at several speeds This test checks for the following problems E Friction problems with worn out slider rod or Carriage Bushings m Blockage due to problems with the Service Station Em Problems with encoder sensing This Service Test can be performed by the End User with the guidance of a HP Support person via the phone IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING THE CARRIAGE ASSEMBLY IF THIS TEST PASSES DO NOT REPLACE THE CARRIAGE ASSEMBLY Perform the Carriage Movement test as follows In the Service Tests submenu scroll to Carriage movement and press Enter Service tests Menu Troubleshooting Aerosol Fan test Back Ink Supply Station Paper advance test Carriage movement test C Enter The test will start and the following message will appear on the Front Panel Carriage movement Carriage movement test Moving Carriage Please wait Once the Printer has completed the test it will analyze the data received while performing the test Once2. a If you want to select the Model number then you should select Model number and press Enter A list of all the printer model numbers available will appear on the front panel The current model selected will have the symbol y next to the model number Use the arrow keys to scroll through the selections and press Enter to make the selection Once the selection is made the 4 16 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities symbol y will appear next to the selected model number To return to the EEROM setup options menu press Back Select model number Menu C7769B C7770B C7779B V Breck C7780B C7779C y enter If you want to select the Serial Number a If you want to select the Serial number then you should select Serial number and press Enter The following information will be displayed on the front panel You will need to use the arrow keys to scroll through the complete list because the front panel only allows 6 lines to be displayed at one time Enter serial number Current ESA80035674 j Current Serial Number New encoded into the EEROM 0 Digits of the serial number 1 that you will be selecting 3 will appear here 4 5 6 7 8 Use the arrow keys to scroll 9 through the list of digits and A press ENTER to select the B ones that you require in order C to make the new serial D number E F ES
3. Carriage usage Ink usage b Once you make a selection for example Scan axis usage the following message will appear on the Front Panel Press Enter if you want to proceed with resetting the counter or press Cancel if you want to exit without resetting the counter Reset usage counter Menu Scan axis usage ae Back Press ENTER to continue or CANCEL to quit a Enter c To check if the relevant usage counter has been reset enter the Printer Information utility gt Page 4 26 HP DesignJets 500 and 800 Series Printers Service Manual 4 19 Service Tests and Utilities NOTE NOTE If you want to Reset the EEROM to the Default Values The EEROM should only be reset if there is a major problem or if the Electronics Module has been replaced by a reused one and you need to reset the EEROM configuration Also reset the EEROM if the Printer does not have the correct Serial Number after powering up a If you want to reset the EEROM to the default values then you should select Reset to defaults and press Enter The following message will appear on the Front Panel Press Enter if you want to proceed with resetting the EEROM or press Cancel if you want to exit without resetting the EEROM Reset to defaults Press ENTER to continue or CANCEL to quit Menu T Back aS Enter After resetting the EEROM to the default values you will need to re enter the Serial Nu
4. Service Tests and Utilities Introduction 4 2 Diagnostics Self Test 4 2 Service Tests Diagnostics 4 3 Entering the Service Tests Menu 4 4 Ink Supply Station 4 6 Carriage Movement 4 8 Paper Advance Test 4 10 Service Utilities 4 13 Entering the Service Utilities Menu 4 14 EEROM Setup 4 16 Turn Drive Roller 4 21 Unlock Carriage 4 22 Prime Tubes 4 23 Change Cutter 4 24 Change Ink Tubes 4 25 Printer Information 4 26 HP DesignJets 500 and 800 Series Printers Service Manual 4 Service Tests and Utilities Introduction This chapter explains how to use the built in Service Tests and Service Utilities and what to do if any of the Service Tests fail If possible always perform a Service Test on the component that you are about to replace just to make sure that is the component that has failed If the test on that component passes there is no need to replace it Phone Support In certain circumstances a Call Agent can try and troubleshoot the Printer by requesting the Customer to perform a Service Test via the phone Using this process it can be determined whether the Printer requires any on site maintenance Diagnostics Self Test Initialization Sequences Whenever the Printer is switched ON it automatically performs a series of internal self tests and mechanical initialization sequences If any of the parts fail a system error will appear and you should consult Chapter 2 System Error Codes Entering Service
5. Menu at Power Up Only for Onsite Repair If the Printer fails to initialize completely because of a System Error and you need to use the Service Menu Service Tests and Utilities the Printer can be powered up in Service Mode by pressing the Up and Enter keys while switching the Printer ON This will give you access to some of the Service Tests and Utilities without having to complete the System Initialization if you perform some of the tests they will need to initialize the relevant part of the System 4 2 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities Service Tests Diagnostics The following is a list of all internal Service Tests available in the Printer Instructions for entering the Service Tests menu are given on Page 4 4 1 Ink Supply Station Page 4 6 The purpose of this test is to verify the operation of the Ink Supply Station A failure of the out of ink sensors or the springs in the Ink Supply Station will eventually damage the Printheads because the Printer will try to pump ink from an empty Ink Cartridge stall which will cause the Printhead to dry fire 2 Carriage Movement Page 4 8 The purpose of this test is to verify the movement of the scan axis components at several speeds This test checks for the following problems E Friction problems with worn out slider rod or Carriage Bushings m Blockage due to problems with the Service Station E Problems with encoder
6. WARNING WARNING ox Paper Advance Test The purpose of this test is to identify whether there is too much friction in the paper axis drive system which is caused by defects with the Transmission Gears Drive Roller or the Paper Axis Motor This test should be performed when a Paper Axis shutdown occurs which is not caused by a paper jam The Paper Advance test will perform the following tests E Paper Axis Motor test m Drive Roller Encoder Sensor test m Drive Roller test This Service Test can be performed by the End User with the guidance of a HP Support person via the phone IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING PAPER AXIS COMPONENTS IF THIS TEST PASSES DO NOT REPLACE ANY PAPER AXTIS COMPONENTS Perform the Paper Advance test as follows In the Service Tests submenu scroll to Paper Advance test and press Enter Service tests Menu Troubleshooting Aerosol Fan test Back Ink Supply Station Paper advance test Carriage movement test p gt Enter The test will first check if the Paper Axis Motor is working by moving it slightly backwards and forwards If this test passes the following message will be displayed press Enter to continue to the next stage of the test Paper Advance test Menu A Back Paper axis motor test passed Press ENTER to continue gt Enter IF THIS TEST PASSES DO NOT REPLACE THE PAPER AXIS MOTOR 4 10 HP DesignJets 50
7. axis usage 21 Paper axis usage 23 Serv Station usage 19 Spittoon usage 12 Pinch Lift usage 10 Cutter usage 26 Carriage usage 12 Ink usage 2 Back 4 26 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities Each parameter of the Printer Information is explained as follows Model Number This identifies the model type of the Printer and should be the same number as printed on the Serial Number label located at the back of the Printer If the Model Number on the front panel does NOT match the number on the label then use the EEROM setup Page 4 6 utility to set the correct model number E Serial Number The Serial Number should be the same number as printed on the Serial Number label located at the back of the Printer If the Model Number on the front panel does NOT match the number on the label then use the EEROM setup utility Page 4 16 to set the correct model number m Service ID This number identifies the date when the Printer was bought since it encodes the date when the first print was sent to the Printer This way the end of warranty period can easily be determined without needing a proof of purchase from the customer The Service ID format is YYDDD where YY is the actual year since 1990 and DDD is the number of actual days since January Ist How to calculate the Service ID from a calendar date YY calendar year 1990 e g 1998 1998 1
8. replace the Cutter Assembly refer to Page 8 32 Perform the Change Cutter utility as follows 1 In the Service Utilities submenu scroll to Change cutter and press Enter Service utilities 3 Menu Change Cutter Change ink tubes Back Unlock Carriage Turn Drive Roller Prime tubes z ae Enter 2 The Carriage will move to the left hand side of the Printer pick up the Cutter and move it to a position where the Cutter can be replaced 4 24 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities Change Ink Tubes The purpose of this Service Utility is to move the Carriage Assembly to a position where it makes the removal of the Ink Supply Tubes much easier NOTE In order to actually replace the Ink Supply Tubes refer to Page 8 60 Perform the Change Ink Tubes utility as follows 1 In the Service Utilities submenu scroll to Change Ink Tubes and press Enter Service utilities A Menu Change ink tubes Unlock Carriage Turn Drive Roller Bacy Prime tubes EEROM Setup F Enter 2 Once the utility starts the printer will display the following message on the front panel If you want to abort the Change Ink Tubes utility press Cancel and you will return to the Set up menu Change ink tubes Press ENTER to continue or CANCEL to quit 3 If you press Enter the Carriage will move to a position where you change the Ink Supply Tube
9. the data has been analyzed the following message will appear on the Front Panel Carriage movement Menu Carriage movement test Back Ready to display results Press ENTER enter 4 8 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities 4 If you press Enter the Front Panel will display a list of the different results you can view You can make your selection using the arrow keys and press Enter to view the selection Test results Select item for more information PWM Speed offset Stabilization distance Menu Back v a Enter 5 If you selected PWM the Front Panel will display the results of the PWM test PWM results Average XXX i Std dev X Average value of the PWM Standard deviation value of the PWM 6 If you selected Speed offset the Front Panel will display the results of the Speed offset Speed offset results Average ips X er Std dev ips X Average value of the speed offset Standard deviation value of the speed offset 7 If you selected Stabilization distance the Front Panel will display the results of the Stabilization distance results Stabilization distance Stabilizat dist mm XX HP DesignJets 500 and 800 Series Printers Service Manual 4 9 Service Tests and Utilities NOTE
10. 0 and 800 Series Printers Service Manual Service Tests and Utilities 3 If the test fails while checking the Paper Axis Motor then the following message will be displayed Paper Advance test System error 41 10 Paper axis motor failed In this case to resolve the problem replace the Paper Axis Motor gt Page 8 84 4 If the Paper Axis Motor test passes the Printer will try to read the Drive Roller Encoder Sensor while moving the Paper Axis Motor If the Printer can read the signals from the Encoder Sensor then the test has passed and the following message will be displayed press Enter to continue to the next stage of the test Paper Advance test Menu Back Roller encoder sensor test passed Press ENTER to continue amp Enter WARNING IF THIS TEST PASSES DO NOT REPLACE THE DRIVE ROLLER ENCODER SENSOR 5 If the Printer has problems reading the signal from the Drive Roller Encoder Sensor then the test has failed and the following message will be displayed Paper Advance test System error 56 10 Roller encoder sensor failed In this case to resolve the problem replace the Drive Roller Encoder Sensor gt Page 8 38 HP DesignJets 500 and 800 Series Printers Service Manual 4 11 Service Tests and Utilities 6 Itis possible that while performing this test a Paper Axis shutdown occurs in which case the following message will be d
11. 990 08 2001 2001 1990 11 DDD Calendar month 1 x 30 Calendar day or 30 if the day is 31 e g Oct 10th 9 x 30 10 280 Dec 31st 11 x 30 30 360 How to convert the Service ID into a calendar date Year YY 1990 e g 08 08 1990 1998 11 11 1990 2001 Date DDD divided by 30 plus one if there is a remainder gives you the month The remainder gives you the day of the month e g 280 280 30 9 1 10 October 10th 360 360 30 12 December 30th Engine F W The current version of the Firmware being used by the Printer and the date that it was updated Formatter F W The current version of the Firmware being used by the Formatter if it is installed m Hard disk F W The current version of the Firmware being used by the Hard Disk only if the Formatter is installed m Paper usage The amount of media used by the Printer E Ink usage The amount of Ink used by the Printer m Scan axis usage Number of Scan Axis cycles represented as a percentage over the maximum number of Scan Axis cycles that the HP DesignJets 500 and 800 Series Printers Service Manual 4 27 Service Tests and Utilities Printer is designed to support If the percentage is more than 100 and the Printer is experiencing problems then try the following 1 Apply Lubricant to the Drive Roller 2 Replace the Carriage Assembly including the Belt Page 8 78 3 Replace the Scan Axis M
12. ROM Setup Menu Back v amp Enter HP DesignJets 500 and 800 Series Printers Service Manual 4 15 Service Tests and Utilities WARNING EEROM Setup The purpose of this Service Utility is to modify identification parameters such as serial and model numbers as well as the Font Type This only needs to be performed when EEROM failures cannot be recovered where both the current EEROM located in the Main PCA and the backup EEROM located in the Ink Supply Station contain false values or because both of them have failed Also you can use this utility to reset the usage counters for parts that have been replaced in order to correctly reflect the true usage of the relevant parts After any change in the EEROM switch the Printer OFF and ON again in order to ensure that the change takes effect in all the subsystems of the Printer Perform the EEROM Setup as follows In the Service Utilities submenu scroll to EEROM Setup and press Enter Service utilities Menu Change ink tubes Unlock Carriage Turn Drive Roller Back Prime tubes EEROM Setup p go gt Enter The Printer will display a list of EEROM Setup options You can make your selection using the arrow keys and press Enter to view the selection Model number Serial number EEROM Setup options Menu Back Font type Reset usage counter Reset to default v Ge Enter If you want to select the Model Number
13. SG Selecting this will delete the Backspace last digit selected b Use the arrow keys to scroll through the list of digits Once the digit that you require is highlighted press Enter to select it and it will appear in the New line Select serial number Menu Current ESA80035674 Sew ESB75_ Back 6 7 v d Enter HP DesignJets 500 and 800 Series Printers Service Manual 4 17 Service Tests and Utilities c Once you have entered the last digit of the new serial number the front panel will display the following message Serial number Menu Serial number entered is ESB7531008 Bick Press ENTER to confirm or BACK to correct amp Enter d If you press Enter the new serial number will be stored in the EEROM and the Printer will return to the EEROM setup options menu If you press Back the previous screen will be displayed and the last digit of the new serial number will be deleted You now have the opportunity to modify the new serial number Enter serial number 2 Menu Current ESA80035674 pem ESB753100_ Back 1 2 v de Enter If you want to change the Font Type a Ifyou want to change the Font Type to Japanese then you should select Font type and press Enter The following message will be displayed on the front panel asking you to confirm whether you want to change the font to Japanese Select YES and press Enter if you want to change t
14. Service Manual 4 13 Service Tests and Utilities Entering the Service Utilities Menu 1 Press the T or J key until the front panel displays the Setup Menu and then press Enter Press ENTER for Set up menu G G a Menu Back D Enter 2 Once inside the Setup Menu Press the following key combination to access the special Service Menu Set up menu Printer information T O set up Front panel Altitude 0 1000 m Log For On site Engineers press the Up and Enter keys to access the complete list of Service Tests Menu A Back gt Enter Set up menu Printer information T O set up Front panel Altitude 0 1000 m Log For Call Agents who will request the User to perform certain troubleshooting actions press the Down and Enter keys to access a limited list of Service Tests Menu Back v O Enter 3 Once inside the Service Tools Menu press the T or J key until the front panel displays Service Utilities and then press Enter Service Menu Service tests Service calibrations Service utilities Menu Back Pa Enter 4 14 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities 4 Press the Enter key to begin a specific utility when the required Service Utility is highlighted Service utilities Change ink tubes Unlock Carriage Turn Drive Roller Prime tubes EE
15. THIS TEST BEFORE REPLACING THE INK SUPPLY STATION IF THIS TEST PASSES DO NOT REPLACE THE INK SUPPLY STATION Perform the Ink Supply Station test as follows In the Service Tests submenu scroll to Ink Supply Station and press Enter Service tests A Menu Troubleshooting Aerosol Fan test Back Ink Supply Station Paper advance test Carriage movement test v amp Enter Once the test starts the following message will appear on the Front Panel Open the Ink Cartridge door and remove ALL the Ink Cartridges ISS Test Remove all the ink cartridges 4 6 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities 3 Once all the Ink Cartridges are removed the Printer will check the Ink Supply Station During this short period the following message will be displayed ISS Test Please wait Checking 4 If the Printer detects all the out of ink signals the Ink Supply Station has passed the test and the following message will appear on the Front Panel ISS Test Menu Test result OK Hack INK SUPPLY STATION OK Press ENTER to return to menu Enter WARNING IF THIS TEST PASSES DO NOT REPLACE THE INK SUPPLY STATION 5 If the Printer does not detect all the out of ink signals then the Ink Supply Station must be faulty and the following message will appear on the Front Panel ISS Test
16. d 800 Series Printers Service Manual 4 21 Service Tests and Utilities NOTE Unlock Carriage The purpose of this Service Utility is to unlock the Carriage Assembly which is normally locked by the Service Station in order to cap the Printheads Once unlocked the Carriage Assembly can then be moved freely along the Printer by hand Perform the Unlock Carriage utility as follows In the Service Utilities submenu scroll to Unlock Carriage and press Enter Service utilities Menu Change ink tubes Unlock Carriage k Turn Drive Roller Bac Prime tubes EEROM Setup p e Enter Once the utility starts the printer will begin to unlock the Carriage Assembly and the following message will be displayed on the front panel Unlock Carriage Unlocking Carriage Please wait Once the Carriage is unlocked Printheads have been uncapped the following message will appear on the front panel Unlock Carriage Carriage unlocked Power off the printer to start the repair The Carriage will remain uncapped until another action e g loading paper or replacing Printheads is selected which returns the Printer to normal operation Make sure you leave the Carriage in a locked position once the repair is completed 4 22 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities Prime Tubes This purpose of this Service Utility is
17. e is more than 100 and the Printer is experiencing problems then try the following 1 Replace the Cutter Assembly Page 8 32 Carriage usage Number of Printhead insertions in the Carriage stall where the most Printheads have been inserted represented as a percentage over the maximum number of Printhead insertions that the Printer is designed to support If the percentage is more than 100 and the Printer is experiencing problems then try the following 1 Replace the Carriage Assembly gt Page 8 78 4 28 HP DesignJets 500 and 800 Series Printers Service Manual
18. ility is to modify identification parameters such as serial and model numbers as well as the Font Type This only needs to be performed when EEROM failures cannot be recovered where both the current EEROM located in the Main PCA and the backup EEROM located in the Ink Supply Station contain false values or because both of them have failed 2 Turn Drive Roller gt Page 4 2 The purpose of this Service Utility is to rotate the Drive Roller in order to clean it 3 Unlock Carriage Page 4 22 The purpose of this Service Utility is to unlock the Carriage Assembly which is normally locked by the Service Station in order to cap the Printheads Once unlocked the Carriage Assembly can then be moved freely along the Printer by hand 4 Prime Tubes Page 4 23 The purpose of this Service Utility is to prime the Ink Supply Tubes after they have been replaced or if a situation arises where you need to force the priming procedure 5 Change Cutter Page 4 24 The purpose of this Service Utility is to move the Cutter Assembly to a position where it can be replaced 6 Change Ink Tubes Page 4 25 The purpose of this Service Utility is to move the Carriage Assembly to a position where it makes the removal of the Ink Supply Tubes much easier 7 Printer Information Page 4 26 The purpose of this Utility is the following E Report basic parameters for call qualification m Identify potential problems HP DesignJets 500 and 800 Series Printers
19. isplayed Paper Advance test System error 81 11 Paper axis shutdown In this case to resolve the problem try the following Open the Window and check for any visible obstacles that could be restricting the movement of the Drive Roller Try cleaning the Drive Roller using the Turn Drive Roller service utility Page 4 21 Also try cleaning the Drive Roller Gears Replace the Drive Roller Page 8 86 Replace the Gear Assemblies Page 8 92 WARNING Only replace one component at a time and try the Service Test again before replacing another component Using this procedure you will be able to determine exactly which component failed If the Drive Roller Encoder Sensor test passes the Printer will try turning the Drive Roller and the following message will appear on the Front Panel Paper Advance test Moving Drive Roller Please wait Once the test is completed the results will be displayed on the front panel Test results wet Average value of the PWM Average PWM XX Standard deviation value of Std dev PWM X the PWM 4 12 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities Service Utilities The following is a list of all internal Service Utilities available in the Printers Instructions for entering the Service Utilities menu are given on Page 4 4 1 EEROM Setup Page 4 16 The purpose of this Service Ut
20. mber Model Number and the Font Type without re entering this information the Printer will NOT work DO NOT SWITCH THE PRINTER OFF AND ON AGAIN BEFORE RE ENTERING THESE VALUES Also you will need to perform the Factory Advance Calibration 4 20 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities Turn Drive Roller The purpose of this Service Utility is to rotate the Drive Roller in order to clean it NOTE REMOVE THE MEDIA BEFORE PERFORMING THIS OPERATION Perform the Turn Drive Roller utility as follows 1 In the Service Utilities submenu scroll to Turn Drive Roller and press Enter Service utilities amp Menu Change ink tubes Unlock Carriage Turn Drive Roller Back Prime tubes EEROM Setup y enter 2 Once the utility starts the Drive Roller will begin to turn slowly and the following message will be displayed Everytime the Drive Roller completes a turn the counter will increase by one Turning Drive Roller turns 2 Press CANCEL to stop 3 If you want to stop the Drive Roller from turning press Cancel and the following message will appear on the front panel Press Enter if you want to return to the Service Utility menu or press Back if you want to continue turning the Drive Roller Turning Drive Roller Turning Drive Roller stopped Press ENTER to finish or BACK to resume HP DesignJets 500 an
21. o Japanese Select NO and press Enter if you don t want to change the font type to Japanese Do you want to set font Menu type to Japanese A Back YES N NO v amp Enter NOTE If the Printer is not a DesignJet 800PS or if the Printer does not detect a formatter the Printer will not allow you to enter this utility and will display the following message on the front panel Font type setting is not available for this type of printer Press BACK or ENTER to return to menu 4 18 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities If you want to Reset the Usage Counter NOTE You should only reset the usage counter for a certain component when it has been replaced by a new one Never reset the usage counter for a component when it has not been replaced a If you want to reset some of the parameters of the usage counter to consult the usage counters gt Page 4 26 then you should select Reset usage counter and press ENTER The following information will be displayed on the front panel You will need to use the arrow keys to scroll through the complete list because the front panel only allows 6 lines to be displayed at one time Select the usage counter that you want to reset and then press Enter Reset usage counter Menu Scan axis usage Paper axis usage Serv Station usage Back Spittoon usage Pinch lift usage Cei Enter Cutter usage
22. otor gt Page 8 29 Paper axis usage Number of Paper Axis movements represented as a percentage over the maximum number of Paper Axis movements that the Printer is designed to support If the percentage is more than 100 and the Printer is experiencing problems then try the following 1 Replace the Paper Axis Motor gt Page 8 84 Service Station usage Number of Service Station cycles represented as a percentage over the maximum number of Service Station cycles that the Printer is designed to support If the percentage is more than 100 and the Printer is experiencing problems then try the following 1 Replace the Service Station Page 8 52 Spittoon usage Number of drops spitted into the Spittoon on the left hand side of the Printer represented as a percentage over the maximum number of drops allowed by the Spittoon If the percentage is more than 100 and the Printer is experiencing problems then try the following 1 Replace the Spittoon Page 8 23 Pinch lift usage Number of Pinch lift cycles represented as a percentage over the maximum number of cycles that the Printer is designed to support If the percentage is more than 100 and the Printer is experiencing problems then try the following 1 Replace the Pinch Lift Mechanism gt Page 8 67 Cutter usage Number of times the Cutter has been used represented as a percentage over the maximum number of times that the Printer is designed to support If the percentag
23. s and the following message will be displayed on the Front Panel You should switch the Printer OFF before starting to change the Ink Supply Tubes 1 Switch off the machine 2 Refer to the Service Manual to replace tubes NOTE The next time the Printer is switched ON it will automatically start the Priming process HP DesignJets 500 and 800 Series Printers Service Manual 4 25 Service Tests and Utilities NOTE Printer Information The purpose of this Utility is the following E Report basic parameters for call qualification m Identify potential problems Some of the parameters can be reset to zero by using the EEROM Setup utility gt Page 4 16 Check the Printer Information as follows In the Service Utilities submenu scroll to Printer Information and press Enter Service utilities 2 Menu Printer information Printhead information Back Error log Printheads Altitude 0 1000 m y Enter The Printer will display the following information on the front panel You will need to use the arrow keys to scroll through the complete list because the front panel only allows 6 lines to be displayed at one time Printer Information ie Menu Model Number C7779C Serial No ESA0B001023 Service ID 11280 Engine F W v Enter X XX XX Formatter F W X XX XX Hard disk F W X XX XX Paper usage 315 in 8 m Ink used Black 6 cc Cyan 4 ce Magenta 4 cc Yellow 3 cc Scan
24. sensing 3 Paper Advance Page 4 10 The purpose of this test is to identify whether there is too much friction in the paper axis drive system which is caused by defects with the Transmission Gears Drive Roller or the Paper Axis Motor 4 Troubleshooting gt Page 6 4 The Printer contains an internal Troubleshooting procedure which helps you to diagnose and resolve the possible source of any Image Quality or Line Quality defects If Print Quality is poor at anytime the Troubleshooting procedure should be performed which will determine whether the Printhead needs replacing by marking it with an exclamation mark or not after performing various levels of recovery actions HP DesignJets 500 and 800 Series Printers Service Manual 4 3 Service Tests and Utilities Entering the Service Tests Menu NOTE In order to enter the Service Utility Menu please refer to the instructions on Page 4 14 1 Press the T or J key until the front panel displays the Setup Menu and then press Enter A Menu O kal Back Press ENTER for Set up menu p oe Enter 2 Once inside the Setup Menu Press the following key combination to access the special Service Menu Set up menu A Menu pst Printer information j T O set up Back s Front panel o Altitude 0 1000 m Log Enter For On site Engineers press the Up and Enter keys to access the complete list of Service Tests s Set up menu Men
25. to prime the Ink Supply Tubes after they have been replaced or if a situation arises where you need to force the priming procedure Prime the tubes as follows 1 In the Service Utilities submenu scroll to Prime tubes and press Enter Service utilities A Menu Change ink tubes Unlock Carriage Turn Drive Roller Pack Prime tubes EEROM Setup v Enter 2 Once the utility starts the printer will display the following message on the front panel If you want to abort the Prime Tubes utility press Cancel and you will return to the Service Utility menu Prime tubes Press ENTER to force tube priming at next power up CANCEL to abort 3 If you press Enter the following message will be displayed on the Front Panel You should switch the Printer ON and OFF in order to start the priming process Prime tubes Power off on machine to start tube priming 4 When you power On the Printer the Printer will initialize and then display the following message You will need to remove the normal Printheads and replace them with Start up Printheads Open window and remove normal printheads to prepare ink system HP DesignJets 500 and 800 Series Printers Service Manual 4 23 Service Tests and Utilities Change Cutter The purpose of this Service Utility is to move the Cutter Assembly to a position where it can be replaced NOTE In order to actually
26. u sF Printer information o R T O set up Back ys Front panel Altitude 0 1000 m Log p OO Enter For Call Agents who will request the User to perform certain troubleshooting actions press the Down and Enter keys to access a limited list of Service Tests 3 Once inside the Service Tools Menu press the T or J key until the front panel displays Service Tests and then press Enter Service tools Menu Back Service tests Service calibrations Service utilities Enter 4 4 HP DesignJets 500 and 800 Series Printers Service Manual Service Tests and Utilities 4 Press the Enter key to begin a specific test when the required Service Test is highlighted Service tests Troubleshooting Aerosol Fan test Ink Supply Station Paper advance test Carriage movement test amp Menu Back v a gt Enter HP DesignJets 500 and 800 Series Printers Service Manual 4 5 Service Tests and Utilities NOTE WARNING oe Ink Supply Station The purpose of this test is to verify the operation of the Ink Supply Station A failure of the out of ink sensors or the springs in the Ink Supply Station will eventually damage the Printheads because the Printer will try to pump ink from an empty Ink Cartridge stall which will cause the Printhead to dry fire This Service Test can be performed by the End User with the guidance of a HP Support person via the phone IF POSSIBLE ALWAYS PERFORM
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