Service Manual
Page 8
... Deflectors and Media Sensor 8Ć50 Removing the Entry Platen 8Ć52 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...
... Deflectors and Media Sensor 8Ć50 Removing the Entry Platen 8Ć52 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
...;Lift Mechanism 10Ć3 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 10...;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
...;Lift Mechanism 10Ć3 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 10...;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
... and, if necessary, adjust the Carriage height (Details ' chapter 5). 3 The Belt is always closed. What can I do if the Line Sensor has Problems Detecting Media? 1 Excessive ink deposits on the driveĆroller surface can fool the sensor by reflecting the light. Perform the Carriage ...Make sure that the trailing cable is positioned under the plastic tabs at the correct height. Power OFF the Printer and switch it . 1-4 HP DesignJet 430, 450C and 455CA Printers Troubleshooting What can I do if the Carriage Assembly has problems parking in Service Mode 1 because the Cover sensor...
... and, if necessary, adjust the Carriage height (Details ' chapter 5). 3 The Belt is always closed. What can I do if the Line Sensor has Problems Detecting Media? 1 Excessive ink deposits on the driveĆroller surface can fool the sensor by reflecting the light. Perform the Carriage ...Make sure that the trailing cable is positioned under the plastic tabs at the correct height. Power OFF the Printer and switch it . 1-4 HP DesignJet 430, 450C and 455CA Printers Troubleshooting What can I do if the Carriage Assembly has problems parking in Service Mode 1 because the Cover sensor...
Service Manual
Page 37
... Test to 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..., 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
... Test to 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..., 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 124
...;17 Removing the Carriage Motor 8Ć18 Removing the Spittoon 8Ć20 Removing the Cutter Assembly 8Ć21 Removing the DriveĆRoller Gear 8Ć22 Removing the Media Motor Assembly 8Ć23 Removing the PinchĆArm Mechanism 8Ć24 ...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...
...;17 Removing the Carriage Motor 8Ć18 Removing the Spittoon 8Ć20 Removing the Cutter Assembly 8Ć21 Removing the DriveĆRoller Gear 8Ć22 Removing the Media Motor Assembly 8Ć23 Removing the PinchĆArm Mechanism 8Ć24 ...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...
Service Manual
Page 163
Release the belt from the clips on the carriage. Also, match the vertical lines on the belt with the vertical grooves on the underside of the belt as was originally used. Remove the Carriage Assembly ' page 8Ć37. 2. 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 belt face outwards. Removing the Drive Belt Removal 1.
Release the belt from the clips on the carriage. Also, match the vertical lines on the belt with the vertical grooves on the underside of the belt as was originally used. Remove the Carriage Assembly ' page 8Ć37. 2. 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 belt face outwards. Removing the Drive Belt Removal 1.
Service Manual
Page 164
B A Reassembling: Make sure the belt is correctly positioned on top very slightly downwards. In the following step, take care not to break the black plastic tab on top of the ... you need greater maneuverability of the motor. 2. On the left , and remove the belt from the pulley. 8-42 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Press the carriage motor towards the left of the Printer, remove the belt from the motor shaft. Removing the DriveĆBelt Pulley Removal 1. Remove the encoder strip ' page 8Ć15.
B A Reassembling: Make sure the belt is correctly positioned on top very slightly downwards. In the following step, take care not to break the black plastic tab on top of the ... you need greater maneuverability of the motor. 2. On the left , and remove the belt from the pulley. 8-42 HP DesignJet 430, 450C and 455CA Printers Removal and Installation Press the carriage motor towards the left of the Printer, remove the belt from the motor shaft. Removing the DriveĆBelt Pulley Removal 1. Remove the encoder strip ' page 8Ć15.
Service Manual
Page 184
.... Carriage Guidance The carriage moves along on the DesignJet 430 carriage PCA. D The interface between the motor shaft and belt is for a separate pulley tensioner. It is based 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 It connects to remove the pulley...
.... Carriage Guidance The carriage moves along on the DesignJet 430 carriage PCA. D The interface between the motor shaft and belt is for a separate pulley tensioner. It is based 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 It connects to remove the pulley...
Service Manual
Page 198
..., part number, 7Ć18 Banding, test pattern, 6Ć12 baud rate, and parity, 10Ć8 bellows, primer, 10Ć6 belt, 4Ć3 error, 2Ć9, 4Ć11 moving the carriage, 10Ć4 removing, 8Ć41 Index-2 slipping, 6Ć8 swelling, ...drive mechanics, 10Ć4 LED, 10Ć3 motor, 4Ć3, 10Ć4 control, 1Ć8 error, 2Ć9 removing, 8Ć18 noise, 9Ć2 PCA, 10Ć4 Carriage Assembly part number, 7Ć16 problem, 1Ć4 Carriage Axis, Service Test, 4Ć10, 4Ć12 carriageĆtoĆmedia distance, 6Ć8 HP DesignJet 430, 450C and 455CA Printers
..., part number, 7Ć18 Banding, test pattern, 6Ć12 baud rate, and parity, 10Ć8 bellows, primer, 10Ć6 belt, 4Ć3 error, 2Ć9, 4Ć11 moving the carriage, 10Ć4 removing, 8Ć41 Index-2 slipping, 6Ć8 swelling, ...drive mechanics, 10Ć4 LED, 10Ć3 motor, 4Ć3, 10Ć4 control, 1Ć8 error, 2Ć9 removing, 8Ć18 noise, 9Ć2 PCA, 10Ć4 Carriage Assembly part number, 7Ć16 problem, 1Ć4 Carriage Axis, Service Test, 4Ć10, 4Ć12 carriageĆtoĆmedia distance, 6Ć8 HP DesignJet 430, 450C and 455CA Printers
Service Manual
Page 199
...Color Variation, test pattern, 6Ć11 communication, plotterĆcomputer, 4Ć3 Compatible Documentation, 7Ć26 configuration, plot, service, 4Ć29 configuration procedure, EEROM model ID, 4Ć27 continuity problem, cartridge, 1Ć5 cover sensor, 4Ć3 Cover Sensors, problem, 1Ć4 Covers, part numbers, 7Ć8 HP DesignJet 430, 450C and 455CA Printers...;5 dot gain, 6Ć13 DRAM SIMM, 4Ć3 part numbers, 7Ć26 drive belt, removing, 8Ć41 Drive Roller, part number, 7Ć22 drive roller, 4Ć3, 5Ć2, 6Ć13 bearings, 6Ć13 faulty, 6Ć...
...Color Variation, test pattern, 6Ć11 communication, plotterĆcomputer, 4Ć3 Compatible Documentation, 7Ć26 configuration, plot, service, 4Ć29 configuration procedure, EEROM model ID, 4Ć27 continuity problem, cartridge, 1Ć5 cover sensor, 4Ć3 Cover Sensors, problem, 1Ć4 Covers, part numbers, 7Ć8 HP DesignJet 430, 450C and 455CA Printers...;5 dot gain, 6Ć13 DRAM SIMM, 4Ć3 part numbers, 7Ć26 drive belt, removing, 8Ć41 Drive Roller, part number, 7Ć22 drive roller, 4Ć3, 5Ć2, 6Ć13 bearings, 6Ć13 faulty, 6Ć...
Service Manual
Page 203
... and Installation, Bail Assembly and Star Wheel Assembly, 8Ć7 removing bailĆlift mechanism, 8Ć28 belt, 8Ć41 carriage motor, 8Ć18 cartridge carriage, 8Ć37 drive belt, 8Ć41 drive roller, 8Ć44 driveĆbelt pulley, 8Ć42 driveĆroller gear, 8Ć22 electronics module, 8Ć13 encoder strip, 8Ć15 engagingĆ...Ć2 Rollfeed Assembly part numbers, 7Ć6 removing, 8Ć9 ROM, 4Ć3, 10Ć7 SIMM, installing, 8Ć6 RSĆ232ĆC, interface, 10Ć8 cables, 7Ć27 HP DesignJet 430, 450C and 455CA Printers Index-7
... and Installation, Bail Assembly and Star Wheel Assembly, 8Ć7 removing bailĆlift mechanism, 8Ć28 belt, 8Ć41 carriage motor, 8Ć18 cartridge carriage, 8Ć37 drive belt, 8Ć41 drive roller, 8Ć44 driveĆbelt pulley, 8Ć42 driveĆroller gear, 8Ć22 electronics module, 8Ć13 encoder strip, 8Ć15 engagingĆ...Ć2 Rollfeed Assembly part numbers, 7Ć6 removing, 8Ć9 ROM, 4Ć3, 10Ć7 SIMM, installing, 8Ć6 RSĆ232ĆC, interface, 10Ć8 cables, 7Ć27 HP DesignJet 430, 450C and 455CA Printers Index-7