Service Manual
Page 5
...What can I do if the Carriage is Noisy 1Ć4 What can I do if the Cover Sensor isn't Working 1Ć4 What can I do if the Carriage Assembly has problems parking in the Service Station 1Ć4 What can I do if the Printer continuously rejects Cartridges 1Ć5 ...Printer has problems with the Cutter 1Ć7 What can I do if the Bail Mechanism Fails 1Ć8 What is an EEROM error 1Ć8 2 System Error Codes Important Information on Troubleshooting Error Codes 2Ć2 System Error codes 2Ć4 3 User Messages User Messages 3Ć2 HP DesignJet 430, 450C and 455CA Printers...
...What can I do if the Carriage is Noisy 1Ć4 What can I do if the Cover Sensor isn't Working 1Ć4 What can I do if the Carriage Assembly has problems parking in the Service Station 1Ć4 What can I do if the Printer continuously rejects Cartridges 1Ć5 ...Printer has problems with the Cutter 1Ć7 What can I do if the Bail Mechanism Fails 1Ć8 What is an EEROM error 1Ć8 2 System Error Codes Important Information on Troubleshooting Error Codes 2Ć2 System Error codes 2Ć4 3 User Messages User Messages 3Ć2 HP DesignJet 430, 450C and 455CA Printers...
Service Manual
Page 7
...; Entry Platen, Drive Roller, Bail and Overdrive Assembly . . . . . 7Ć22 Printer Labels 7Ć24 Users Guide and Quick Reference Guide Bundle 7Ć25 Front Panel Overlays 7Ć25 Compatible Documentation 7Ć26 PlugĆin memory (RAM SIMM 7Ć26 Cartridges 7Ć26 External Print Servers 7Ć27 HP DesignJet 430, 450C and 455CA Printers Contents v
...; Entry Platen, Drive Roller, Bail and Overdrive Assembly . . . . . 7Ć22 Printer Labels 7Ć24 Users Guide and Quick Reference Guide Bundle 7Ć25 Front Panel Overlays 7Ć25 Compatible Documentation 7Ć26 PlugĆin memory (RAM SIMM 7Ć26 Cartridges 7Ć26 External Print Servers 7Ć27 HP DesignJet 430, 450C and 455CA Printers Contents v
Service Manual
Page 8
... Support 8Ć32 Removing the Trailing Cable 8Ć34 Removing the TrailingĆCable Guide 8Ć36 Removing the Carriage Assembly 8Ć37 Removing the Drive Belt 8Ć41 Removing the DriveĆBelt Pulley 8Ć42 Removing the Drive Roller...52 9 Preventive Maintenance Moisture on Printer 9Ć2 Level of Printer Usage 9Ć2 Friction on Slider Rod 9Ć2 Noisy Carriage Wheel 9Ć2 Ink Spilling 9Ć3 Belt Swelling 9Ć3 Cleaning the Printer 9Ć4 General Cleaning 9Ć4 Cleaning the Drive Roller 9Ć4 vi Contents HP DesignJet 430, 450C and 455CA...
... Support 8Ć32 Removing the Trailing Cable 8Ć34 Removing the TrailingĆCable Guide 8Ć36 Removing the Carriage Assembly 8Ć37 Removing the Drive Belt 8Ć41 Removing the DriveĆBelt Pulley 8Ć42 Removing the Drive Roller...52 9 Preventive Maintenance Moisture on Printer 9Ć2 Level of Printer Usage 9Ć2 Friction on Slider Rod 9Ć2 Noisy Carriage Wheel 9Ć2 Ink Spilling 9Ć3 Belt Swelling 9Ć3 Cleaning the Printer 9Ć4 General Cleaning 9Ć4 Cleaning the Drive Roller 9Ć4 vi Contents HP DesignJet 430, 450C and 455CA...
Service Manual
Page 14
... the driveĆroller surface can fool the sensor by reflecting the light. Power OFF the Printer and switch it . 1-4 HP DesignJet 430, 450C and 455CA Printers Troubleshooting Replace the Carriage Assembly ' page 8Ć37. Check and, if necessary, adjust the Carriage height (Details ' chapter 5). 3 The Belt is not correctly positioned over it back ON again and check...
... the driveĆroller surface can fool the sensor by reflecting the light. Power OFF the Printer and switch it . 1-4 HP DesignJet 430, 450C and 455CA Printers Troubleshooting Replace the Carriage Assembly ' page 8Ć37. Check and, if necessary, adjust the Carriage height (Details ' chapter 5). 3 The Belt is not correctly positioned over it back ON again and check...
Service Manual
Page 15
... may have thinĆfilm damage. This means that the user has forgotten to remove the tape from the Carriage and try installing just the rejected cartridge. Troubleshooting HP DesignJet 430, 450C and 455CA Printers 1-5 When nozzle failures occur, clean the flex contacts on the PCA. When this connection. Make sure that...is disabled. Replace the black cartridge with one with a new one , if the other cartridges are not broken or misplaced. 6 Perform the Carriage Test ' page 4Ć12. 7 Replace the Trailing Cable ' page 8Ć8. 8 Replace the Carriage Assembly ' page 8Ć37.
... may have thinĆfilm damage. This means that the user has forgotten to remove the tape from the Carriage and try installing just the rejected cartridge. Troubleshooting HP DesignJet 430, 450C and 455CA Printers 1-5 When nozzle failures occur, clean the flex contacts on the PCA. When this connection. Make sure that...is disabled. Replace the black cartridge with one with a new one , if the other cartridges are not broken or misplaced. 6 Perform the Carriage Test ' page 4Ć12. 7 Replace the Trailing Cable ' page 8Ć8. 8 Replace the Carriage Assembly ' page 8Ć37.
Service Manual
Page 17
... correctly installed and is coming out will have problems parking in the middle of the overdrive assembly) ' page 8Ć50. 7 Replace the Carriage Assembly ' page 8Ć37. If the Printer is in the right cover. 2 If the media crashes when moving . Perform the Accuracy Calibration ' page 5Ć2....Media Sensor is installed correctly. 2 Check if the cable for the FrontĆPanel Assembly is is not loose and is routed correctly in the cover clips. Troubleshooting HP DesignJet 430, 450C and 455CA Printers 1-7 Only replace one component at a time and check if the problem has been ...
... correctly installed and is coming out will have problems parking in the middle of the overdrive assembly) ' page 8Ć50. 7 Replace the Carriage Assembly ' page 8Ć37. If the Printer is in the right cover. 2 If the media crashes when moving . Perform the Accuracy Calibration ' page 5Ć2....Media Sensor is installed correctly. 2 Check if the cable for the FrontĆPanel Assembly is is not loose and is routed correctly in the cover clips. Troubleshooting HP DesignJet 430, 450C and 455CA Printers 1-7 Only replace one component at a time and check if the problem has been ...
Service Manual
Page 25
... that the quality of the Accuracy Calibration print is clean. D Faulty electronics module. D Faulty Carriage Assembly. Possible causes: D Check the Bail Assembly. Add extra memory by installing a bigger RAM SIMM. System Error Codes HP DesignJet 430, 450C and 455CA Printers 2-5 If the Line sensor is bad, try to Chapter 7 for the current plot. D ...the Accuracy Calibration print in the correct position and orientation, and make sure that the line sensor on the carriage is good. Possible causes: D Obstacle or friction in the Service Station. If the quality is dirty ...
... that the quality of the Accuracy Calibration print is clean. D Faulty electronics module. D Faulty Carriage Assembly. Possible causes: D Check the Bail Assembly. Add extra memory by installing a bigger RAM SIMM. System Error Codes HP DesignJet 430, 450C and 455CA Printers 2-5 If the Line sensor is bad, try to Chapter 7 for the current plot. D ...the Accuracy Calibration print in the correct position and orientation, and make sure that the line sensor on the carriage is good. Possible causes: D Obstacle or friction in the Service Station. If the quality is dirty ...
Service Manual
Page 28
.... For more information ' page 1Ć8. Possible causes: D Carriage assembly is probably defective. If a new module does not show this error, it has been installed previously and was probably calibrated with other calibrations must be configured either as a DesignJet 430, 450C or 455CA. Possible causes: D Switch the Printer OFF and ON again and see if that...
.... For more information ' page 1Ć8. Possible causes: D Carriage assembly is probably defective. If a new module does not show this error, it has been installed previously and was probably calibrated with other calibrations must be configured either as a DesignJet 430, 450C or 455CA. Possible causes: D Switch the Printer OFF and ON again and see if that...
Service Manual
Page 29
... be binding. D Ensure that could cause the belt to a media jam. D Replace the carriage assembly ' page 8Ć37. Check for problems with the Cutter Assembly. D Reconnect or replace the trailing cable ' page 8Ć8. D Faulty ROM SIMM. Possible ... check for any binding due to slip. System Error Codes HP DesignJet 430, 450C and 455CA Printers 2-9 D Faulty RAM SIMM. D Turn the Printer off. D The carriage touches the bail as it moves. D Clear any areas where the carriage may increase, causing a decrease in the YĆaxis (carriage axis). D K E L F M A G N...
... be binding. D Ensure that could cause the belt to a media jam. D Replace the carriage assembly ' page 8Ć37. Check for problems with the Cutter Assembly. D Reconnect or replace the trailing cable ' page 8Ć8. D Faulty ROM SIMM. Possible ... check for any binding due to slip. System Error Codes HP DesignJet 430, 450C and 455CA Printers 2-9 D Faulty RAM SIMM. D Turn the Printer off. D The carriage touches the bail as it moves. D Clear any areas where the carriage may increase, causing a decrease in the YĆaxis (carriage axis). D K E L F M A G N...
Service Manual
Page 30
...routing of the motor cables. Possible causes: D Faulty Cartridges. D Faulty motor encoder. D Trailing Cable received an electrostatic discharge while the Printer was operating. D Dirty or incorrect media. Possible causes: D Damaged or broken encoder strip. D Motor received an electrostatic discharge while ...O C I J Steady DFM Ready + Load Media + Media: Error in motors. Possible causes: D Incorrect routing of the motor cables. D Faulty motor encoder. D Faulty Carriage Assembly. D Faulty Electronics Module. 2-10 HP DesignJet 430, 450C and 455CA Printers System Error Codes
...routing of the motor cables. Possible causes: D Faulty Cartridges. D Faulty motor encoder. D Trailing Cable received an electrostatic discharge while the Printer was operating. D Dirty or incorrect media. Possible causes: D Damaged or broken encoder strip. D Motor received an electrostatic discharge while ...O C I J Steady DFM Ready + Load Media + Media: Error in motors. Possible causes: D Incorrect routing of the motor cables. D Faulty motor encoder. D Faulty Carriage Assembly. D Faulty Electronics Module. 2-10 HP DesignJet 430, 450C and 455CA Printers System Error Codes
Service Manual
Page 45
...carriage assembly ' page 8Ć37. Check for any binding due to a media jam. 2 Turn the Printer off. Remove dirt from the slider rod and chassis beam. Apply oil (Anderol 4068, HP part number: 6040Ć0858) to the carriage bushings. 5 At high temperatures, and if the fan is not working order. Service Tests HP DesignJet 430, 450C... and 455CA Printers 4-11 If the test fails, to ...
...carriage assembly ' page 8Ć37. Check for any binding due to a media jam. 2 Turn the Printer off. Remove dirt from the slider rod and chassis beam. Apply oil (Anderol 4068, HP part number: 6040Ć0858) to the carriage bushings. 5 At high temperatures, and if the fan is not working order. Service Tests HP DesignJet 430, 450C... and 455CA Printers 4-11 If the test fails, to ...
Service Manual
Page 47
.... 2 Replace the Cartridge of the relevant failing color and perform this procedure you press the Cancel and Media Source keys. Pen YELLOW has 3ffe identification. Service Tests HP DesignJet 430, 450C and 455CA Printers 4-13 Cartridge Continuity Test Failure If any cartridge ... again. 3 Check and if necessary replace the Trailing Cable ' page 8Ć8. 4 Replace the Carriage Assembly ' page 8Ć37. 5 Replace the Electronics Module ' page 8Ć13. Carriage Test 0x57c7c350 (carrPCBTest): Forcing use of R10X method for Calvin: 13643 1960 0x57c7c350 (carrPCBTest): Forcing use...
.... 2 Replace the Cartridge of the relevant failing color and perform this procedure you press the Cancel and Media Source keys. Pen YELLOW has 3ffe identification. Service Tests HP DesignJet 430, 450C and 455CA Printers 4-13 Cartridge Continuity Test Failure If any cartridge ... again. 3 Check and if necessary replace the Trailing Cable ' page 8Ć8. 4 Replace the Carriage Assembly ' page 8Ć37. 5 Replace the Electronics Module ' page 8Ć13. Carriage Test 0x57c7c350 (carrPCBTest): Forcing use of R10X method for Calvin: 13643 1960 0x57c7c350 (carrPCBTest): Forcing use...
Service Manual
Page 48
Only replace one of the following : 1 Check and if necessary replace the Trailing Cable ' page 8Ć8. 2 Replace the Carriage Assembly ' page 8Ć37. 3 Replace the Electronics Module ' page 8Ć13. Line Sensor Test Failure If the Line Sensor test ...carriage. Otherwise the line sensor will be able to resolve the problem, try one component at a time and perform the test again before replacing another component. Analog Multiplexer Test Failure If the Analog Multiplexer test fails, to determine exactly which component failed. 4-14 HP DesignJet 430, 450C and 455CA Printers...
Only replace one of the following : 1 Check and if necessary replace the Trailing Cable ' page 8Ć8. 2 Replace the Carriage Assembly ' page 8Ć37. 3 Replace the Electronics Module ' page 8Ć13. Line Sensor Test Failure If the Line Sensor test ...carriage. Otherwise the line sensor will be able to resolve the problem, try one component at a time and perform the test again before replacing another component. Analog Multiplexer Test Failure If the Analog Multiplexer test fails, to determine exactly which component failed. 4-14 HP DesignJet 430, 450C and 455CA Printers...
Service Manual
Page 54
...Encoder Sensor test fails, then you press the Cancel and Media Source keys. 5 The test continuously repeats itself until you need to replace the Carriage Assembly ' page 8Ć37. Test Mode X-axis cycle : 67 pwm. Test Mode X-axis cycle : 65 pwm. Pen YELLOW has 1900 ...the encoder sensor test, you will always fail. If any of R10X method for the correct troubleshooting procedure. 4-20 HP DesignJet 430, 450C and 455CA Printers Service Tests Pen MAGENTA continuity: WORKS Pen YELLOW continuity: WORKS Pen BLACK has 1cd4 identification. If you are viewing information...
...Encoder Sensor test fails, then you press the Cancel and Media Source keys. 5 The test continuously repeats itself until you need to replace the Carriage Assembly ' page 8Ć37. Test Mode X-axis cycle : 67 pwm. Test Mode X-axis cycle : 65 pwm. Pen YELLOW has 1900 ...the encoder sensor test, you will always fail. If any of R10X method for the correct troubleshooting procedure. 4-20 HP DesignJet 430, 450C and 455CA Printers Service Tests Pen MAGENTA continuity: WORKS Pen YELLOW continuity: WORKS Pen BLACK has 1cd4 identification. If you are viewing information...
Service Manual
Page 73
... in the position shown below: Service Calibrations HP DesignJet 430, 450C and 455CA Printers 5-5 Incorrect installation may also prevent the carriage from the media. If the distance between the carriage and the media is within the tolerances allowed. Adjusting the CarriageĆtoĆMedia Distance It is very... nozzles and the media is too small, ink smears on the leftĆhand side of the carriage, with the carriage assembly) has been produced to check the carriageĆtoĆmedia distance to make sure it is within certain limits. For the correct installation procedure...
... in the position shown below: Service Calibrations HP DesignJet 430, 450C and 455CA Printers 5-5 Incorrect installation may also prevent the carriage from the media. If the distance between the carriage and the media is within the tolerances allowed. Adjusting the CarriageĆtoĆMedia Distance It is very... nozzles and the media is too small, ink smears on the leftĆhand side of the carriage, with the carriage assembly) has been produced to check the carriageĆtoĆmedia distance to make sure it is within certain limits. For the correct installation procedure...
Service Manual
Page 82
... Problem 1: Nozzles Problem 2: Corrective Action: Some cartridge nozzles, in any one color, are misdirected in one or more steps it indicates that this procedure you will be misdirected. D Replace the Carriage Assembly ' page 8Ć37. Cartridge nozzles are not printing. Try the following :...steps: 1 Prime the Cartridges and print the PrintĆQuality Plot again to determine exactly which component failed. 6-6 HP DesignJet 430, 450C and 455CA Printers Print Quality Only replace one component at a time and check if the problem has gone before replacing another component. ...
... Problem 1: Nozzles Problem 2: Corrective Action: Some cartridge nozzles, in any one color, are misdirected in one or more steps it indicates that this procedure you will be misdirected. D Replace the Carriage Assembly ' page 8Ć37. Cartridge nozzles are not printing. Try the following :...steps: 1 Prime the Cartridges and print the PrintĆQuality Plot again to determine exactly which component failed. 6-6 HP DesignJet 430, 450C and 455CA Printers Print Quality Only replace one component at a time and check if the problem has gone before replacing another component. ...
Service Manual
Page 85
D Replace the Carriage Assembly ' page 8Ć37. it should be red, with no cyan or magenta shadows. Try the following : D Replace the Trailing Cable ' page 8Ć8. Only replace one ... one component at a time and check if the problem has gone before replacing another component. Print Quality HP DesignJet 430, 450C and 455CA Printers 6-9 Test Pattern 4: Color Alignment Quality Test Upper Test: The first of misalignment (see primary color circles. The third tests alignment between the magenta and yellow cartridges; In each with no cyan or...
D Replace the Carriage Assembly ' page 8Ć37. it should be red, with no cyan or magenta shadows. Try the following : D Replace the Trailing Cable ' page 8Ć8. Only replace one ... one component at a time and check if the problem has gone before replacing another component. Print Quality HP DesignJet 430, 450C and 455CA Printers 6-9 Test Pattern 4: Color Alignment Quality Test Upper Test: The first of misalignment (see primary color circles. The third tests alignment between the magenta and yellow cartridges; In each with no cyan or...
Service Manual
Page 87
D Replace the Carriage Assembly ' page 8Ć37. The purpose of this test is to see a different shade in the upper box. Figure 7 (Correct) Print Quality Figure 8 (Incorrect) HP DesignJet 430, 450C and 455CA Printers 6-11 3 If the problem continues ...perform the Accuracy Calibration (Details ' page 5Ć2) and print the PrintĆQuality Plot again to determine at what percent the upper shading becomes visible from the lower band. D Replace the XĆaxis Assembly ' page 8Ć23. Test Pattern 5: Color...
D Replace the Carriage Assembly ' page 8Ć37. The purpose of this test is to see a different shade in the upper box. Figure 7 (Correct) Print Quality Figure 8 (Incorrect) HP DesignJet 430, 450C and 455CA Printers 6-11 3 If the problem continues ...perform the Accuracy Calibration (Details ' page 5Ć2) and print the PrintĆQuality Plot again to determine at what percent the upper shading becomes visible from the lower band. D Replace the XĆaxis Assembly ' page 8Ć23. Test Pattern 5: Color...
Service Manual
Page 88
.... There are two types of the other , creating dark bands. This then causes white (or lighter) bands. 6-12 Figure 9 HP DesignJet 430, 450C and 455CA Printers Print Quality Test Pattern 6: Banding Test This Test pattern is a long dark stripe and is NOT numbered on the left handĆ...D Positive Banding Ć This means that consecutive swaths overlap each other. Symptoms Random dark or light bands in area fills. D Replace the Carriage Assembly ' page 8Ć37. Only replace one component at a very low percentage, it is an indication that the cartridge is producing incorrect size ink...
.... There are two types of the other , creating dark bands. This then causes white (or lighter) bands. 6-12 Figure 9 HP DesignJet 430, 450C and 455CA Printers Print Quality Test Pattern 6: Banding Test This Test pattern is a long dark stripe and is NOT numbered on the left handĆ...D Positive Banding Ć This means that consecutive swaths overlap each other. Symptoms Random dark or light bands in area fills. D Replace the Carriage Assembly ' page 8Ć37. Only replace one component at a very low percentage, it is an indication that the cartridge is producing incorrect size ink...
Service Manual
Page 90
... the PrintĆQuality Plot again to determine exactly which component failed. 6-14 HP DesignJet 430, 450C and 455CA Printers Print Quality Try the following : D Replace the Encoder Strip ' page 8Ć15. D Replace the Electronics Module ' page 8Ć13. D Replace the Carriage Assembly ' page 8Ć37. Using this procedure you will be able to see if...
... the PrintĆQuality Plot again to determine exactly which component failed. 6-14 HP DesignJet 430, 450C and 455CA Printers Print Quality Try the following : D Replace the Encoder Strip ' page 8Ć15. D Replace the Electronics Module ' page 8Ć13. D Replace the Carriage Assembly ' page 8Ć37. Using this procedure you will be able to see if...