HP LaserJet 5Si Family Printers Service Manual, C4077
Contents
1. R AM EXTERNAL INPUT DEVIC Error Log on Display Panel Display Panel Message 50 Error Number 13 59 11 Error Log Code 52700 Page Count Check the error log for specific error trends in the last 10 000 printed pages Ask the customer for any observed error trends Record any specific error trends and review the Error Log Interpretation later in this chapter Refer tothe error log table in the Reference section and follow the recommended action If the display panel indicates any messages other than Ready Offline or PowerSave restart at step 1 If not go to the next section Troubleshooting 7 9 BulooyusajqnolL 7 Configuration Use the configuration pages to verify the proper installation of accessories options and personalities When you print the configuration pages the printer checks its internal controller and I O interface then prints two pages One shows the overall printer configuration and the other one shows the current menu settings Refer to Figure 7 5 and Figure 7 6 or information about interpreting the configuration page If any of the installed devices are not shown on the configuration pages verify that the C Link cabling is correctly connected and functional Figure 7 7 and that DC power is available to the paper handling devices Check and reseat suspect cable connections If any of the cables are replaced you must cycle the power to have the printer r2. Troubleshooting Chapter Contents Troubleshooting Process 2 e 7 3 PONG J agente oGaehmneeeeme eee bane tee tenes a os 7 6 Overview aoaaa a 7 6 EngineTest a 7 8 Ie 3 it oe oe ero ewe ea 7 9 Overview ww 7 9 Display and Evaluate the Error Log 7 9 Configuration oe a e a a 7 10 Verify Presence of Installed Personalities and Options on the Configuration Pages oaoa a eee eee 7 10 Configuration Page Illustration and Key oaoa a a 7 12 Menu Page Example 2 7 13 Communications Link C Link Cables 7 14 Image Quality 2 nearne sapr 7 15 Check the Toner Cartridge ee ee ee 7 16 Faulty Image Examples 7 16 EMO COG eorias etapetara ma e a a e 7 17 Print and Evaluate the Error Log 7 17 Error Log Interpretation oaoa a a 7 17 Communication oeoa e e 7 19 Verify Communication oaoa e e a a 7 19 Verify Host System Operation aoaaa 000 a a a 7 20 Verification a a eoe aa aar a 7 21 Paper Path Test aooaa a 7 21 Customer Print ob lt lt 7 22 Reference 0 raare 7 23 Control Panel Messages and Errors 00 ee eee 7 23 Error Log Table sos rd a ee ee R A we 7 24 General Paper Path Troubleshooting 004 7 37 Image Formation Troubleshooting 0 80 eee eee 7 63 Check t
3. ajor step The following list describes the basic questions for the customer and the corresponding troubleshooting step to help you quickly define the problem s Does the display panel indicate Ready Offline or PowerSave Contains the procedures for correcting control panel messages and displaying and correcting error log codes Will the printer print configuration pages successfully Contains the procedures for printing the configuration pages and evaluating and correcting system configuration Does the print quality meet customer expectations Contains the image quality comparison tables cleaning procedures toner cartridge checks and High voltage Power Supply checks Are there recurring problems in the error log Contains information about printing the error log and evaluating the error history Can the customer print from the host system successfully Describes how to determine if the printer is communicating properly with the host system Will the printer print from all sources to all destinations and have all of the errors in the errorlog been addressed Contains procedures for verifying the overall printer system operation Contains detailed reference material such as the complete error code list system schematics a list of miscellaneous problems and solutions and a list of all system sensors and their functions Troubleshooting 7 3 BulooyusajqnolL 7 Figure 7 1 Power On Is the printer o
4. bleshooting 7 5 BuljooyusajqnolL 7 Table 7 1 7 6 Troubleshooting Power On Overview It is important to have the printer s Control Panel functional as soon as possible in the troubleshooting process so that the printer s diagnostics can assist in locating printer errors Power On Problem 1 ls AC power available at the printer s power receptacle 2 Is the printer s ON OFF switch set to ON 3 Are the printer s fans on Ensure that the printer is not in PowerSave mode See Figure 7 3 to locate the fans Verify See Table 1 7 Push the switch to the ON position Note Fan operation is significant since all fans are controlled by the printer s DC Controller PCA Operational fans indicate AC power is present in the printer DC power supply is functional both 24vdc and 5vdc are being generated DC Controller PCA s micro processor is functional If the fans are NOT working turn off the printer and remove the printer s Formatter PCA Disconnect all the printer s paper handling options Then turn on the printer and check the fans again If the fans are still not working perform the following steps 1 Verify that all fans are connected to the DC Controller PCA according to Figure 7 33 2 Replace the low voltage DC power supply 3 Replace the DC Controller PCA If the fans are working but the printer s Control Panel is blank print an engine test See the section titled Engin
5. e Test If the engine test was successful perform the following steps 1 Reseat or replace the cable from the Control Panel which is connected to J203 of the DC Controller PCA see Figure 7 35 2 Replace the printer s Formatter PCA 3 Replace the Control Panel assembly If the engine test was not successful verify that no paper is in the paper path Retry the engine test If the engine test is still unsuccessful replace the DC Controller PCA Figure 7 3 Fan 1 Exhaust Intake Fan 2 Exhaust Fan Location and Airflow Note When the printer is in PowerSave mode the fans are off Table 7 2 Fans Laser Scanner fan Formatter intake Face down Delivery Unit Low voltage Power Supply Troubleshooting 7 7 BulloousajqnoiL Z Note Figure 7 4 Engine Test The engine test verifies that the print engine is functioning correctly The Formatter PCA is completely bypassed during an engine test This test is very useful for isolating printer problems The engine test prints a full page of horizontal lines across the entire printable area and is also useful for checking and adjusting registration The engine test prints from Tray 3 only and can be activated with the Formatter PCA removed Tray 3 must be installed and loaded with paper to perform an engine test Also ensure that the EP toner cartridge is installed in the printer Engine Test Button Location The engine test button is locat
6. ecognize the device again To print a PCL configuration page kad Press Menu until TEST MENU appears Press Item until PCL CONFI GURATI ON PAGE appears 3 Press Select to print the configuration pages N Verify Presence of Installed Personalities and Options on the Configuration Pages Under Installed Personalities and Options look for options such as e Postscript C3169A e 420 MB Disk C2965A e SIMM types RAM or ROM and sizes Verify that the options which are physically installed in your printer are reflected in the PCL configuration page If an installed device is not shown on the PCL configuration page check the following table 7 10 Troubleshooting
7. ed on the DC Controller PCA It is accessible through a hole at the right rear of the printer Printing an Engine Test To print an engine test use a non metallic object to press the engine test button see Figure 7 4 A single test page will print Button Access Engine Test Printout Engine Test Button 7 8 Troubleshooting Note 0 B WN ka 10 Display Overview Use the printer s Control Panel to access the error log to troubleshoot the printer With the printer s test menu you can access the printer s error log to display more information about the current error The error log retains the printer s last 50 error messages Refer to the section titled Reference for more information about correcting printer error log messages The error log codes and the error on the display panel do not always correspond The numbers in the display panel message may not be the same in the error log Ensure that you refer to the correct number in the Reference section Display and Evaluate the Error Log If the printer cannot print or move any paper follow these steps to display the error log Press Menu until TEST MENU appears Press Item until SHOW ERROR LOG appears Press Select to show the error log Press toscroll through the error log Write down the error messages F or example 50 13 59 11 52700 13 11 PAPE
8. he Toner Cartridge ee ee ee 7 63 Faulty Image Examples ee 7 63 Image Quality Tables 0 7 64 Image System Troubleshooting eee 7 74 Troubleshooting 7 1 Troubleshooting Checks 4 a 7 77 Papar AIS 20 5 oh a a a uke ie rea eee BA 7 11 General Troubleshooting Information 7 80 Miscellaneous Problems and Solutions o o sooo aaa a 7 80 Pape CUB aus dido Y Sia A a ee e Ge ae a a ara A 7 85 Diada e Ena tos aha ee ee ot ce Sn a ee Be a 7 86 7 2 Troubleshooting Display Page 7 9 Configuration Page 7 10 Image Quality Page 7 15 Error Log Page 7 17 Communication Page 7 19 Verification Page 7 21 Reference Page 7 23 Troubleshooting Process The troubleshooting process is a systematic approach that addresses the major problems first and then other problems as you identify the causes for printer malfunctions and errors The Troubleshooting Process Figure 7 1 on the following two pages illustrates the major steps for troubleshooting the printing system Each heading depicts a major troubleshooting step A YES answer to the questions allows you to proceed to the next major step A NO answer indicates that additional testing is needed Proceed to the referenced location and follow the directions for that area After completing the additional testing proceed to the next m
9. n and displaying a readable message Power On Checks B After control panel display becomes functional Go to Step 2 HP LaserJet 5Si 5Si MX 5Si Mopier Troubleshooting Process 7 4 Troubleshooting Does the display indicate any of the following READY OFFLINE POWER SAVE A Show Error Log to display information on Current Error and correct it B After correcting all messages and errors Go to Step 3 Configuration Will it print Configuration Pages A Show Error Log to display information on Current Error and correct it B Verify information on PCL Configuration Page C After verifying configuration pages Go to Step 4 Image Quality Does the print quality meet customer requirements A Compare configuration pages to samples B After meeting print quality requirements Go to Step 5 Figure 7 2 Error Log Have you evaluated the error log A Print and evaluate the error log B After evaluating the error log Go to Step 6 Can the customer print successfully from their system A Run a print job from the customer host system B After successful completion of the print job Go to Step 7 Verification Does the printer pass the verification tests A Run a paper path test to verify operation B Run a print job from the customer host system HP LaserJet 5Si 5Si MX 5Si Mopier Troubleshooting Process Trou
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