HP DesignJet 430, 450C, and 455CA Printer - User's Guide
Page 106
.... This occurs when the rows of a vertical line printed in two consecutive swaths. Faulty cartridge - If the printer is a measure of the horizontal distance between the segments of nozzles on the pulley is causing the belt to the carriage axis (Y-axis). Encoder-strip slots are not correctly aligned). Badly seated cartridge - Test...
.... This occurs when the rows of a vertical line printed in two consecutive swaths. Faulty cartridge - If the printer is a measure of the horizontal distance between the segments of nozzles on the pulley is causing the belt to the carriage axis (Y-axis). Encoder-strip slots are not correctly aligned). Badly seated cartridge - Test...
Service Manual
Page 8
...Removing the TrailingĆCable Guide 8Ć36 Removing the Carriage Assembly 8Ć37 Removing the Drive Belt 8Ć41 Removing the DriveĆBelt Pulley 8Ć42 Removing the Drive Roller 8Ć44 Reinstalling the Drive Roller 8Ć45 Removing... 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...
...Removing the TrailingĆCable Guide 8Ć36 Removing the Carriage Assembly 8Ć37 Removing the Drive Belt 8Ć41 Removing the DriveĆBelt Pulley 8Ć42 Removing the Drive Roller 8Ć44 Reinstalling the Drive Roller 8Ć45 Removing... 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 9
...Ć3 Detecting the Lines and Media Edges 10Ć3 Line Sensor 10Ć3 Moving the Carriage 10Ć4 CarriageĆDrive Mechanics 10Ć4 Motor, Belt and Pulley 10Ć4 Carriage Guidance 10Ć4 Positional Feedback 10Ć4 Carriage PCA 10Ć4 Providing Ink 10Ć5 Print Cartridges 10Ć5 Distance...;232ĆC 10Ć8 Power Supply 10Ć8 Water Condensation 10Ć8 Memory Usage 10Ć9 Plot Orientation 10Ć9 Raster Image Processor 10Ć9 HP DesignJet 430, 450C and 455CA Printers Contents vii
...Ć3 Detecting the Lines and Media Edges 10Ć3 Line Sensor 10Ć3 Moving the Carriage 10Ć4 CarriageĆDrive Mechanics 10Ć4 Motor, Belt and Pulley 10Ć4 Carriage Guidance 10Ć4 Positional Feedback 10Ć4 Carriage PCA 10Ć4 Providing Ink 10Ć5 Print Cartridges 10Ć5 Distance...;232ĆC 10Ć8 Power Supply 10Ć8 Water Condensation 10Ć8 Memory Usage 10Ć9 Plot Orientation 10Ć9 Raster Image Processor 10Ć9 HP DesignJet 430, 450C and 455CA Printers Contents vii
Service Manual
Page 14
...Dirty Carriage bushings. What can I do if the Carriage Assembly has problems parking in Service Mode 1 because the Cover sensor is disabled and Printer will have trouble passing over the idler pulley. 4 Check for a faulty Carriage. If necessary, apply lubricant to the electronics module. 3 ... the line sensor will think that the belt is always closed. What can fool the sensor by reflecting the light. Replace the Carriage Assembly ' page 8Ć37. Power OFF the Printer and switch it . 1-4 HP DesignJet 430, 450C and 455CA Printers Troubleshooting What can I do if the Line...
...Dirty Carriage bushings. What can I do if the Carriage Assembly has problems parking in Service Mode 1 because the Cover sensor is disabled and Printer will have trouble passing over the idler pulley. 4 Check for a faulty Carriage. If necessary, apply lubricant to the electronics module. 3 ... the line sensor will think that the belt is always closed. What can fool the sensor by reflecting the light. Replace the Carriage Assembly ' page 8Ć37. Power OFF the Printer and switch it . 1-4 HP DesignJet 430, 450C and 455CA Printers Troubleshooting What can I do if the Line...
Service Manual
Page 29
.... Check for problems with the Cutter Assembly. System Error Codes HP DesignJet 430, 450C and 455CA Printers 2-9 Manually move the carriage along the carriage axis. D Remove dirt from the pulley that could cause the belt to the carriage bushings. D Faulty ROM SIMM. D Ensure that the belt and belt pulley are in the YĆaxis (carriage axis). Possible...
.... Check for problems with the Cutter Assembly. System Error Codes HP DesignJet 430, 450C and 455CA Printers 2-9 Manually move the carriage along the carriage axis. D Remove dirt from the pulley that could cause the belt to the carriage bushings. D Faulty ROM SIMM. D Ensure that the belt and belt pulley are in the YĆaxis (carriage axis). Possible...
Service Manual
Page 37
... Perform Use the following table as a rough guide: Assembly/Feature Bail system Carriage Carriage motor and drive system (including belt, pulley and slider rod) Cartridge identification Cartridge nozzles Communication between computer and Printer Cover sensor DRAM SIMM EEROM Electronics module Encoder strip Front-panel keys and LEDs Media-axis encoder and cable..., Modular test, Bench run Sensors test, Modular test Sensors test, Modular test Carriage test, Modular test Electrical test, Power-on tests, Bench run Service Tests HP DesignJet 430, 450C and 455CA Printers 4-3
... Perform Use the following table as a rough guide: Assembly/Feature Bail system Carriage Carriage motor and drive system (including belt, pulley and slider rod) Cartridge identification Cartridge nozzles Communication between computer and Printer Cover sensor DRAM SIMM EEROM Electronics module Encoder strip Front-panel keys and LEDs Media-axis encoder and cable..., Modular test, Bench run Sensors test, Modular test Sensors test, Modular test Carriage test, Modular test Electrical test, Power-on tests, Bench run Service Tests HP DesignJet 430, 450C and 455CA Printers 4-3
Service Manual
Page 45
...carriage may be able to slip. 4 Remove dirt from the pulley that the encoder strip is not working order. Service Tests HP DesignJet 430, 450C and 455CA Printers 4-11 If the test fails, to resolve the problem, try one component at a time and perform the test again before replacing...cable ' page 8Ć8. 8 Replace the carriage assembly ' page 8Ć37. Using this procedure you will be binding. 3 Ensure that the belt and belt pulley are in correct working correctly, the internal resistance of the motor driver may increase, causing a decrease in the voltage between the motor contacts,...
...carriage may be able to slip. 4 Remove dirt from the pulley that the encoder strip is not working order. Service Tests HP DesignJet 430, 450C and 455CA Printers 4-11 If the test fails, to resolve the problem, try one component at a time and perform the test again before replacing...cable ' page 8Ć8. 8 Replace the carriage assembly ' page 8Ć37. Using this procedure you will be binding. 3 Ensure that the belt and belt pulley are in correct working correctly, the internal resistance of the motor driver may increase, causing a decrease in the voltage between the motor contacts,...
Service Manual
Page 84
... a cartridge are damaged or dirty. D Faulty cartridge. They appear when the rows of nozzles on the pulley is causing the belt to the carriage axis (YĆaxis). Figure 4 6-8 HP DesignJet 430, 450C and 455CA Printers Print Quality Bidirectional Error You can see an example of a ThetaĆZeta error in Figure 3. If you print the...
... a cartridge are damaged or dirty. D Faulty cartridge. They appear when the rows of nozzles on the pulley is causing the belt to the carriage axis (YĆaxis). Figure 4 6-8 HP DesignJet 430, 450C and 455CA Printers Print Quality Bidirectional Error You can see an example of a ThetaĆZeta error in Figure 3. If you print the...
Service Manual
Page 110
...Ć60082 1 Carriage Belt (E/A0Ćsize) 6 C4699Ć60052 1 Trailing Cable Guide (D/A1Ćsize) C4700Ć60052 1 Trailing Cable Guide (E/A0Ćsize) 7 1400Ć1021 4 Trailing Cable Plastic Clip 8 C4713Ć60040 1 Cutter Assembly Ć C4701Ć40001 1 Cartridge Cover (DesignJet 430) 7-16 HP DesignJet 430, 450C and 455CA Printers Parts and Diagrams
...Ć60082 1 Carriage Belt (E/A0Ćsize) 6 C4699Ć60052 1 Trailing Cable Guide (D/A1Ćsize) C4700Ć60052 1 Trailing Cable Guide (E/A0Ćsize) 7 1400Ć1021 4 Trailing Cable Plastic Clip 8 C4713Ć60040 1 Cutter Assembly Ć C4701Ć40001 1 Cartridge Cover (DesignJet 430) 7-16 HP DesignJet 430, 450C and 455CA Printers Parts and Diagrams
Service Manual
Page 124
... Removing the Drive Belt 8Ć41 Removing the DriveĆBelt Pulley 8Ć42 Removing the Drive Roller 8Ć44 Reinstalling the Drive Roller 8Ć45 Removing the PinchĆArm Lift Mechanism 8Ć47 Removing the Overdrive Assembly 8Ć50 Removing the Entry Platen 8Ć52 8-2 HP DesignJet 430, 450C and 455CA Printers Removal and...
... Removing the Drive Belt 8Ć41 Removing the DriveĆBelt Pulley 8Ć42 Removing the Drive Roller 8Ć44 Reinstalling the Drive Roller 8Ć45 Removing the PinchĆArm Lift Mechanism 8Ć47 Removing the Overdrive Assembly 8Ć50 Removing the Entry Platen 8Ć52 8-2 HP DesignJet 430, 450C and 455CA Printers Removal and...
Service Manual
Page 140
... top of the chassis beam. Press the carriage motor towards the left, and remove the belt from the clip at the back of the Printer. If you need greater maneuverability of the Printer. 8-18 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Disconnect the carriageĆmotor cable from the main PCA (connector MOT Y), and...
... top of the chassis beam. Press the carriage motor towards the left, and remove the belt from the clip at the back of the Printer. If you need greater maneuverability of the Printer. 8-18 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Disconnect the carriageĆmotor cable from the main PCA (connector MOT Y), and...
Service Manual
Page 141
Also, make sure the belt is one spring on the motor assembly which fits onto the protruding plastic part on the grooves of the motor. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-19 Position this part inside the chassis beam. The motor may be stiff. There is correctly positioned on top of the shaft. Installation 1.
Also, make sure the belt is one spring on the motor assembly which fits onto the protruding plastic part on the grooves of the motor. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-19 Position this part inside the chassis beam. The motor may be stiff. There is correctly positioned on top of the shaft. Installation 1.
Service Manual
Page 159
Remove the encoder strip ' page 8Ć15. 2. If you need greater maneuverability of the motor. 3. Remove the right bracket ' 8Ć17. Press the carriage motor towards the left, and remove the belt from the motor shaft. In the following step, take care not to break the black plastic tab on top of the motor, press the black plastic tab on the grooves of the shaft. B A Reassembling: Make sure the belt is correctly positioned on the top very slightly downwards. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-37 Removing the Carriage Assembly Removal 1.
Remove the encoder strip ' page 8Ć15. 2. If you need greater maneuverability of the motor. 3. Remove the right bracket ' 8Ć17. Press the carriage motor towards the left, and remove the belt from the motor shaft. In the following step, take care not to break the black plastic tab on top of the motor, press the black plastic tab on the grooves of the shaft. B A Reassembling: Make sure the belt is correctly positioned on the top very slightly downwards. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-37 Removing the Carriage Assembly Removal 1.
Service Manual
Page 160
Reassembling: Make sure the belt is correctly positioned on the left of the pulley. 6. Release the belt from the pulley on the grooves of the Printer. Rotate the motor on the top of the Printer. 5. Release the two indicated clips on its hinge out towards the back of the cartridge carriage by pulling them slightly outwards. 8-38 HP DesignJet 430, 450C and 455CA Printers Removal and Installation 4.
Reassembling: Make sure the belt is correctly positioned on the left of the pulley. 6. Release the belt from the pulley on the grooves of the Printer. Rotate the motor on the top of the Printer. 5. Release the two indicated clips on its hinge out towards the back of the cartridge carriage by pulling them slightly outwards. 8-38 HP DesignJet 430, 450C and 455CA Printers Removal and Installation 4.
Service Manual
Page 162
Reassembling: Position the belt under the back extrusion of the carriage. Make sure that you correctly reconnect the trailing cable ' page 8Ć8. 10. After reassembling, make sure that you check the carriageĆto the right, and remove it with the belt from the Printer. Calibration: After having reassembled the Printer, perform the black cartridgeĆalignment. (Details ' User's Guide.) 8-40 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Slide the carriage to Ćmedia distance ' page 5Ć5.
Reassembling: Position the belt under the back extrusion of the carriage. Make sure that you correctly reconnect the trailing cable ' page 8Ć8. 10. After reassembling, make sure that you check the carriageĆto the right, and remove it with the belt from the Printer. Calibration: After having reassembled the Printer, perform the black cartridgeĆalignment. (Details ' User's Guide.) 8-40 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Slide the carriage to Ćmedia distance ' page 5Ć5.
Service Manual
Page 163
Removing the Drive Belt Removal 1. Reassembling: Clip the belt to the carriage, using the same part of the carriage. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-41 The horizontal lines on the carriage. Release the belt from the clips on the underside of the belt as was originally used. Remove the Carriage Assembly ' page 8Ć37. 2. Also, match the vertical lines on the belt with the vertical grooves on the belt face outwards.
Removing the Drive Belt Removal 1. Reassembling: Clip the belt to the carriage, using the same part of the carriage. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-41 The horizontal lines on the carriage. Release the belt from the clips on the underside of the belt as was originally used. Remove the Carriage Assembly ' page 8Ć37. 2. Also, match the vertical lines on the belt with the vertical grooves on the belt face outwards.
Service Manual
Page 164
... following step, take care not to break the black plastic tab on top very slightly downwards. On the left , and remove the belt from the pulley. 8-42 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Remove the encoder strip ' page 8Ć15. Press the carriage motor towards the left of the motor. 2. If...
... following step, take care not to break the black plastic tab on top very slightly downwards. On the left , and remove the belt from the pulley. 8-42 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Remove the encoder strip ' page 8Ć15. Press the carriage motor towards the left of the motor. 2. If...
Service Manual
Page 165
Reassembling: Make sure the belt is correctly positioned on the pulley grooves. 4. Remove the pulley, shaft, and bushing from the Printer. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-43 Underneath the left side of the chassis beam, release the black plastic clip and push the pulley shaft upwards. 5.
Reassembling: Make sure the belt is correctly positioned on the pulley grooves. 4. Remove the pulley, shaft, and bushing from the Printer. Removal and Installation HP DesignJet 430, 450C and 455CA Printers 8-43 Underneath the left side of the chassis beam, release the black plastic clip and push the pulley shaft upwards. 5.
Service Manual
Page 179
Note that the value printed on the service configuration plot may greatly underestimate the amount of ink in the Printer's spittoon. (Details ' page 4Ć29.) To prevent ink spilling, replace both the spittoon and the inkĆseparator when the spittoon is reset to fill ... Spilling The service configuration plot gives an estimation of the amount of ink in the spittoon. About 880 primes are needed to 0% used. Preventive Maintenance HP DesignJet 430, 450C and 455CA Printers 9-3 Belt Swelling To prevent new belts from swelling incorrectly, keep them .
Note that the value printed on the service configuration plot may greatly underestimate the amount of ink in the Printer's spittoon. (Details ' page 4Ć29.) To prevent ink spilling, replace both the spittoon and the inkĆseparator when the spittoon is reset to fill ... Spilling The service configuration plot gives an estimation of the amount of ink in the spittoon. About 880 primes are needed to 0% used. Preventive Maintenance HP DesignJet 430, 450C and 455CA Printers 9-3 Belt Swelling To prevent new belts from swelling incorrectly, keep them .
Service Manual
Page 184
... needed on the left end of a DC motor directly driving a single belt and the carriage. D You can remove the belt without having to remove the pulley on the belt, eliminating the need for a color or a monochrome model, and behaves accordingly. 10-4 HP DesignJet 430, 450C and 455CA Printers Functional Overview Carriage Guidance The carriage moves along on the...
... needed on the left end of a DC motor directly driving a single belt and the carriage. D You can remove the belt without having to remove the pulley on the belt, eliminating the need for a color or a monochrome model, and behaves accordingly. 10-4 HP DesignJet 430, 450C and 455CA Printers Functional Overview Carriage Guidance The carriage moves along on the...